2006 LAND ROVER FRELANDER 2 aux

DT CDescriptionPossible CauseAction
B1A03-1CSpeaker #3Left rear s peaker circui t -volt age out of rangeCarry out pi npoi nt tes ts as s oci ated wit h thi s DTC us ing t hemanufacturer approved diagnost ic sys tem
B1A04-11Speaker #4Right rear s peaker circui t -s hort t o groundRefer to electrical ci rcuit diagrams and check right rears peaker ci rcuit for short to ground
B1A04-12Speaker #4Right rear s peaker circui t -s hort t o powerRefer to electrical ci rcuit diagrams and check right rears peaker ci rcuit for short to power
B1A04-1ASpeaker #4Right rear s peaker circui t -res i st ance bel ow t hres hol dCarry out pi npoi nt tes ts as s oci ated wit h thi s DTC us ing t hemanufacturer approved diagnost ic sys tem
B1A04-1BSpeaker #4Right rear s peaker circui t -res i st ance above t hres hol dCarry out pi npoi nt tes ts as s oci ated wit h thi s DTC us ing t hemanufacturer approved diagnost ic sys tem
B1A04-1CSpeaker #4Right front s peaker ci rcuit -volt age out of rangeCarry out pi npoi nt tes ts as s oci ated wit h thi s DTC us ing t hemanufacturer approved diagnost ic sys tem
B1A56-13AntennaAntenna circui t - opencircui tRefer to electrical ci rcuit diagrams and check antenna circui tfor open circuit
B1B69-11Antenna 12volt s uppl ycircuit
Antenna 12 volt supplycircui t - s hort to groundRefer to electrical ci rcuit diagrams and check antenna 12 volts upply ci rcuit for short to ground
B1B69-15Antenna 12volt s uppl ycircuit
Antenna 12 volt supplycircui t - s hort to power,open circuit
Refer to electrical ci rcuit diagrams and check antenna 12 volts upply ci rcuit for short to power, open ci rcuit
B1D19-16Compact di scunitCircui t volt age bel owt hres hol dIns t al l a new i ntegrat ed audi o module, refer to the newmodule/component i nst all at ion not e at t he top of t he DTCIndex.For addit ional informati on, refer t o: Audi o Unit (415-01Informat ion and Ent ertai nment Sys tem, Removal andIns t al lat ion).B1D19-77Compact di scunitCommanded posi ti on notreachabl eIns t al l a new i ntegrat ed audi o module, refer to the newmodule/component i nst all at ion not e at t he top of t he DTCIndex.For addit ional informati on, refer t o: Audi o Unit (415-01Informat ion and Ent ertai nment Sys tem, Removal andIns t al lat ion).
B1D19-93Compact di scunitNo operat ionIns t al l a new i ntegrat ed audi o module, refer to the newmodule/component i nst all at ion not e at t he top of t he DTCIndex.For addit ional informati on, refer t o: Audi o Unit (415-01Informat ion and Ent ertai nment Sys tem, Removal andIns t al lat ion).
B1D78-11Auxi li ary i nputAuxili ary i nput ci rcuit - s hortt o groundRefer to electrical ci rcuit diagrams and check auxi li ary i nputci rcuit for short to ground
B1D78-12Auxi li ary i nputAuxili ary i nput ci rcuit - s hortt o powerRefer to electrical ci rcuit diagrams and check auxi li ary i nputci rcuit for short to power
B1D78-13Auxi li ary i nputAuxili ary i nput ci rcuit - opencircui tRefer to electrical ci rcuit diagrams and check auxi li ary i nputci rcuit for open ci rcuit
B1D79-11MicrophoneinputMi crophone i nput circui t -s hort t o groundRefer to electrical ci rcuit diagrams and check mi crophoneinput ci rcuit for short to ground
B1D79-12MicrophoneinputMi crophone i nput circui t -s hort t o powerRefer to electrical ci rcuit diagrams and check mi crophoneinput ci rcuit for short to power
B1D79-13MicrophoneinputMi crophone i nput circui t -open circuitRefer to electrical ci rcuit diagrams and check mi crophoneinput ci rcuit for open ci rcuit
U3000-49Control modul eInternal electronic fai lureIns t al l a new control modul e, refer t o t he newmodule/component i nst all at ion not e at t he top of t he DTCIndex.For addit ional informati on, refer t o: Audi o Unit (415-01Informat ion and Ent ertai nment Sys tem, Removal andIns t al lat ion).
U3000-55Control modul eIncorrect car configurat iondata receivedCheck/up-dat e Car Configurat ion Fi le us i ng manufact urerapproved di agnos ti c s yst em
U3000-87Control modul eMi ss i ng mes sageCheck CJB for DTCs and refer t o DTC Index.For addit ional informati on, refer t o: Communicati ons Net work(418-00 Modul e Communicati ons Network, Di agnos is andTes t ing).Check i nformat ion and ent ert ainment module for CarConfigurat ion Fi le and MO ST net work DTCs and refer t orel evant DTC Index. Carry out MOST/CAN net work t es ts us ingthe manufact urer approved diagnos t ic s ys tem

Publi s hed: 10-May-2011
General Information - Diagnostic Trouble Code (DTC) IndexDTC: Auxiliary
Heater Control Module (AHCM)
Des cript ion and Operat ion
• NOTE: If a cont rol module or component i s s uspect and the vehicl e remai ns under manufacturer warrant y, refer t o t heW arranty Pol icy and Procedures manual (s ect ion B1.2), or determine i f any pri or approval program is i n operat ion, beforet he replacement of a component.
• NOTE: Generic scan t ool s may not read the codes li st ed, or may read only 5-digi t codes . Match t he 5 digi ts from t he s cant ool t o t he fi rs t 5 di gi ts of the 7-digit code li s ted t o i dent ify the fault (the last 2 digi ts gi ve ext ra informati on read by themanufacturer-approved di agnos ti c s ys t em).
• NOTE: W hen performing volt age or res is t ance t est s , always use a digi tal mult imeter (DMM) accurat e t o t hree deci malplaces, and wi th an up-t o-date cal ibrat ion cert ificate. W hen tes ti ng res is t ance al ways take t he res is t ance of t he DMMleads i nt o account .
• NOTE: Check and recti fy bas ic faul ts before beginni ng diagnos t ic rout ines i nvol vi ng pinpoint t es t s.
• NOTE: Ins pect connect ors for s igns of water ingres s , and pins for damage and/or corros ion.
• NOTE: If DTCs are recorded and, aft er performi ng the pi npoi nt tes ts , a fault is not present , an int ermi tt ent concern maybe t he caus e. Always check for loose connect ions and corroded terminals .
Des cript ion And Operat ion
For a detail ed descripti on of the fuel fi red boost er heat er cont ol s ys tem, refer t o t he relevant Descripti on and Operat ions ect ion i n t he works hop manual .For addit ional informat ion, refer t o: Fuel Fired Boost er Heat er (412-02B Auxi liary Cli mate Cont rol , Des cri pti on andOperat ion).
• NOTE: W here an 'on demand sel f-tes t' i s referred to, t his can be acces s ed via t he 'DTC Moni tor' tab on the manufact urersapproved diagnos t ic s yst em.
DT CDescriptionPossible CausesAction
B1D22-11Coolant TemperatureSens or - circui t shortt o ground
Fuel fired boos t er heatercool ant t emperat ure s ensorint ernal fault
Check and i ns t all a new fuel fi red boost erheat er coolant temperature sensorUsi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
B1D22-15Coolant TemperatureSens or - circui t shortt o batt ery or open
Fuel fired boos t er heatercool ant t emperat ure s ensorint ernal fault
Check and i ns t all a new fuel fi red boost erheat er coolant temperature sensorUsi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
B1D23-13Overheat Sens or -circuit openFuel fired boos t er heatercool ant t emperat ure s ensorint ernal fault
Check and i ns t all a new fuel fi red boost erheat er coolant temperature sensorUsi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
B1D24-11Glow Plug - circui ts hort t o groundFuel fired boos t er heaterglow pl ug int ernal faultCarry out ci rcuit checks , ins pect t he glow pl ugcables and connect or. Repair t he ci rcuit or checkand ins tal l a new fuel fired boos t er heater glowplug as requi red For addit ional i nformati on,refer t o: Fuel Fired Boost er Heat er Glow PlugAnd Burner Ass embly (412-02B Auxil iary Cli mateCont rol , Removal and Ins t allat ion).Usi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion

DT CDescriptionPossible CausesAction
B1D24-15Glow Plug - circui ts hort t o batt ery oropen
Fuel fired boos t er heaterglow pl ug int ernal faultCarry out ci rcuit checks , ins pect t he glow pl ugcables and connect or. Repair t he ci rcuit or checkand ins tal l a new fuel fired boos t er heater glowplug as requi red For addit ional i nformati on,refer t o: Fuel Fired Boost er Heat er Glow PlugAnd Burner Ass embly (412-02B Auxil iary Cli mateCont rol , Removal and Ins t allat ion).Usi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
B1D25-11Heater Fuel Pump -circuit short toground
Heat er fuel pump circui ts hort to groundHeat er fuel pump failure
Refer to the el ect ri cal circui t diagrams andcheck t he fuel fi red boos ter heater fuel pumpand ci rcuit for short to groundRepai r the circui t or check and ins t al l a new fuelfi red boos ter heat er fuel pump as requiredFor addit ional informati on, refer t o: Fuel FiredBoos t er Heat er Fuel Pump (412-02B Auxi li aryClimate Cont rol, Removal and Ins tal lat ion).Usi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
B1D25-15Heater Fuel Pump -circuit short tobatt ery or open
Heat er fuel pump circui ts hort to power, open ci rcuitHeat er fuel pump failure
Refer to the el ect ri cal circui t diagrams andcheck t he fuel fi red boos ter heater fuel pumpand ci rcuit for short to power, open ci rcuitRepai r the circui t or check and ins t al l a new fuelfi red boos ter heat er fuel pump as requiredFor addit ional informati on, refer t o: Fuel FiredBoos t er Heat er Fuel Pump (412-02B Auxi li aryClimate Cont rol, Removal and Ins tal lat ion).Usi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
B1D26-11Combust ion Ai rBlower - circui t shortt o ground
Fuel fired boos t er heatermodule failureUsi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)If t he diagnost ic troubl e code reoccurs checkand ins tal l a new fuel fired boos t er heatermodul e as requi redFor addit ional informati on, refer t o: Fuel FiredBoos t er Heat er (412-02B Auxil iary Climat eCont rol , Removal and Ins t allat ion).Refer to the warrant y policy and proceduresmanual , or det ermi ne if any prior approvalprogramme is in operat ion, pri or t o t heins tal lati on of a new modul e/component
B1D26-15Combust ion Ai rBlower - circui t shortt o batt ery or open
Fuel fired boos t er heatermodule failureUsi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)If t he diagnost ic troubl e code reoccurs checkand ins tal l a new fuel fired boos t er heatermodul e as requi redFor addit ional informati on, refer t o: Fuel FiredBoos t er Heat er (412-02B Auxil iary Climat eCont rol , Removal and Ins t allat ion).Refer to the warrant y policy and proceduresmanual , or det ermi ne if any prior approvalprogramme is in operat ion, pri or t o t heins tal lati on of a new modul e/component
B1D26-92Combust ion Ai rBlower - performanceor incorrectoperati on
Fuel fired boos t er heatermodule failureUsi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)

DT CDescriptionPossible CausesAction
Check for reoccurrence of t he diagnost ic troubl ecodeIf t he diagnost ic troubl e code reoccurs checkand ins tal l a new fuel fired boos t er heatermodul e as requi redFor addit ional informati on, refer t o: Fuel FiredBoos t er Heat er (412-02B Auxil iary Climat eCont rol , Removal and Ins t allat ion).Refer to the warrant y policy and proceduresmanual , or det ermi ne if any prior approvalprogramme is in operat ion, pri or t o t heins tal lati on of a new modul e/component
B1D26-93Combust ion Ai rBlower - nooperati on
Fuel fired boos t er heatermodule failureUsi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for reoccurrence of t he diagnost ic troubl ecodeIf t he diagnost ic troubl e code reoccurs checkand ins tal l a new fuel fired boos t er heatermodul e as requi redFor addit ional informati on, refer t o: Fuel FiredBoos t er Heat er (412-02B Auxil iary Climat eCont rol , Removal and Ins t allat ion).Refer to the warrant y policy and proceduresmanual , or det ermi ne if any prior approvalprogramme is in operat ion, pri or t o t heins tal lati on of a new modul e/component
B1D27-11Heater Coolant Pump- circui t short toground
Heat er cool ant pump ci rcuits hort to groundHeat er cool ant pump fail ure
Refer to the el ect ri cal circui t diagrams andcheck t he fuel fi red boos ter heater water pumpand ci rcuit for short to groundRepai r the circui t or check and ins t al l a new fuelfi red boos ter heat er water pump as requi redFor addit ional informati on, refer t o: Fuel FiredBoos t er Heat er Cool ant Pump (412-02BAuxi liary Cli mate Cont rol , Removal andIns tal lat ion).Usi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
B1D27-15Heater Coolant Pump- circui t short tobatt ery or open
Heat er cool ant pump ci rcuits hort to power, open ci rcuitHeat er cool ant pump fail ure
Refer to the el ect ri cal circui t diagrams andcheck t he fuel fi red boos ter heater water pumpand ci rcuit for short to power, open ci rcuitRepai r the circui t or check and ins t al l a new fuelfi red boos ter heat er water pump as requi redFor addit ional informati on, refer t o: Fuel FiredBoos t er Heat er Cool ant Pump (412-02BAuxi liary Cli mate Cont rol , Removal andIns tal lat ion).Usi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
B1D28-11Fuel Pre-heater -circuit short toground
• NOTE: The pre heat i s performedby the ignit ion gl ow plug
Fuel fired boos t er heaterglow pl ug int ernal fault
Carry out ci rcuit checks , ins pect t he glow pl ugcables and connect orCheck and i ns t all a new fuel fi red boost erheat er glow plug as requi red For addi ti onalinformati on, refer t o: Fuel Fired Boos t er Heat erGlow Pl ug And Burner As sembl y (412-02BAuxi liary Cli mate Cont rol , Removal andIns tal lat ion).Usi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion

DT CDescriptionPossible CausesAction
B1D28-15Fuel Pre-heater -circuit short tobatt ery or open
• NOTE: The pre heat i s performedby the ignit ion gl ow plug
Fuel fired boos t er heaterglow pl ug int ernal fault
Carry out ci rcuit checks , ins pect t he glow pl ugcables and connect orCheck and i ns t all a new fuel fi red boost erheat er glow plug as requi red For addi ti onalinformati on, refer t o: Fuel Fired Boos t er Heat erGlow Pl ug And Burner As sembl y (412-02BAuxi liary Cli mate Cont rol , Removal andIns tal lat ion).Usi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
B1D29-93No St art , Even AfterRest art At t empt - nooperati on
No fuel pres ent at fuel fi redboos t er heat er modul eExhaus t sys t em blockedAir i nt ake blocked
Check vehicle fuel levelCheck fuel l ines t o fuel fired boos ter heatermodul e for bl ockage, ki nki ng or damageCheck exhaus t s yst em and ai r int ake forblockage, ki nki ng or damageCheck fuel for aerati on and correct fuel deliveryCheck vehicle i s not parked on an i ncl ine whenparking heater i s operatedUsi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
B1D30-93No St art In TestMode - no operat ionNo fuel pres ent at fuel fi redboos t er heat er modul eExhaus t sys t em blockedAir i nt ake blocked
Check vehicle fuel levelCheck fuel l ines t o fuel fired boos ter heatermodul e for bl ockage, ki nki ng or damageCheck exhaus t s yst em and ai r int ake forblockage, ki nki ng or damageCheck fuel for aerati on and correct fuel deliveryCheck vehicle i s not parked on an i ncl ine whenparking heater i s operatedUsi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
B1D31-94Flame Det ect ed Priort o Normal Operat ion- unexpectedoperati on
• NOTE: The glow pl ug and fl ames ens or are a combi ned uni t
Glow pl ug circui t fault
Check exhaus t s yst em and ai r int ake forblockage, ki nki ng or damageCarry out ci rcuit checks , ins pect t he glow pl ugcables and connect or. Repair t he ci rcuit or checkand ins tal l a new fuel fired boos t er heater glowplug as requi red For addit ional i nformati on,refer t o: Fuel Fired Boost er Heat er Glow PlugAnd Burner Ass embly (412-02B Auxil iary Cli mateCont rol , Removal and Ins t allat ion).Usi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
B1D32-92Mult ipl e FlameInt errupt ion DuringHeati ng Cycl e -performance orincorrect operat ion
No fuel pres ent at fuel fi redboos t er heat er modul eExhaus t sys t em blockedAir i nt ake blocked
Check vehicle fuel levelCheck fuel l ines t o Fuel fired boos t er heat ermodul e for bl ockage, ki nki ng or damageCheck exhaus t s yst em and ai r int ake forblockage, ki nki ng or damageCheck fuel for aerati on and correct fuel deliveryCheck vehicle i s not parked on an i ncl ine whenparking heater i s operatedUsi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion

DT CDescriptionPossible CausesAction
B1D33-92Flame Int errupt ionDuri ng NormalOperat ion -performance orincorrect operat ion
No fuel pres ent at fuel fi redboos t er heat er modul eExhaus t sys t em blockedAir i nt ake blocked
Check vehicle fuel levelCheck fuel l ines t o fuel fired boos ter heatermodul e for bl ockage, ki nki ng or damageCheck exhaus t s yst em and ai r int ake forblockage, ki nki ng or damageCheck fuel for aerati on and correct fuel deliveryCheck vehicle i s not parked on an i ncl ine whenparking heater i s operatedUsi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
B1D34-68Heater In Lock O utMode - eventinformat ion
Fuel fired boos t er heaters ys t em faul t• NOTE: For i nformati on onl y, recti fy ot her s t ored fuelfi red boos ter heat er diagnos t ic t rouble codes pri or tothi s diagnos t ic t rouble code
Usi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
B1D63-11External ControlRelay - circui t s hortt o ground
Fuel fired boos t er heatermodule failureCheck and i ns t all a new fuel fi red boost erheat er modul e as requi redFor addit ional informati on, refer t o: Fuel FiredBoos t er Heat er (412-02B Auxil iary Climat eCont rol , Removal and Ins t allat ion).Refer to the warrant y policy and proceduresmanual , or det ermi ne if any prior approvalprogramme is in operat ion, pri or t o t heins tal lati on of a new modul e/component
B1D63-15External ControlRelay - circui t s hortt o batt ery or open
Fuel fired boos t er heatermodule failureCheck and i ns t all a new fuel fi red boost erheat er modul e as requi redFor addit ional informati on, refer t o: Fuel FiredBoos t er Heat er (412-02B Auxil iary Climat eCont rol , Removal and Ins t allat ion).Refer to the warrant y policy and proceduresmanual , or det ermi ne if any prior approvalprogramme is in operat ion, pri or t o t heins tal lati on of a new modul e/component
U0010-00Medium Speed CANCommunicati on Bus -no s ub t ypeinformat ion
Medium speed CANcommuni cat ion bus offUsi ng t he manufacturer approved diagnost icsys t em, compl et e a CAN network int egrit y t est
U0028-08VehicleCommunicati on BusA - Bus Si gnal /Mes sage Fail ures
Medium speed CANcommuni cat ion bus offFuel fired boos t er heatermodule failure
Usi ng t he manufacturer approved diagnost icsys t em, compl et e a CAN network int egrit y t est
U0300-00Int ernal Cont rolModule Soft wareIncompati bili ty - nos ub type i nformati on
Fuel fired boos t er heatermodule not configured orincorrect ly confi gured
Re-configure the fuel fi red boost er heat ermodul e us ing t he manufacturer approveddiagnos t ic s yst em (Moduleprogramming/Confi gure exis t ingmodul e/Auxil iary heat er control modul e)
U1A37-87Cras h St atusTelegram Bus Signal/ Mes sage Fail uresMis s ing mess age
Cras h s ignal received overCAN network• NOTE: Event i nformat ion - the rest rai nts controlmodul e has recorded a cras h event
Usi ng t he manufacturer approved diagnost icsys t em, check other modules for relat eddiagnos t ic t rouble codes
U2101-00Control ModuleConfigurat ionIncompati ble - nos ub type i nformati on
Fuel fired boos t er heatermodule not configured orincorrect ly confi guredCent ral junct ion box notconfigured correct ly
Usi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for reoccurrence of t he diagnost ic troubl ecodeIf t he diagnost ic troubl e code returnsUsi ng t he manufacturer approved diagnost icsys t em check and up-dat e t he car confi gurati onfi le as requi redRe-configure the Fuel fi red boos ter heatermodul e us ing t he manufacturer approveddiagnos t ic s yst em

DT CDescriptionPossible CausesAction
Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
U3000-16Control Module -circuit vol tage belowt hreshol d
Fuel fired boos t er heatermodule power circuit faultBatt ery/charging sys temfault
Check ot her modules for rel at ed diagnos ti ctroubl e codesIf ot her modul es cont ai n l ow volt age relat eddiagnos t ic t rouble codes, s us pect a commoncaus e (bat t ery/charging s ys tem fault )If not , refer t o t he electrical ci rcuit diagramsand check t he power and ground ci rcuit s to thefuel fi red boos ter heater moduleCheck for st ored di agnos ti c troubl e codesCheck for correct operat ion
U3000-17Control Module -circuit vol tage abovet hreshol d
Charging s ys tem faultFuel fired boos t er heatermodule failure
Check ot her modules for rel at ed diagnos ti ctroubl e codesIf ot her modul es cont ai n high vol tage rel ateddiagnos t ic t rouble codes, s us pect a commoncaus e (bat t ery/charging s ys tem fault )If not , refer t o t he electrical ci rcuit diagramsand check t he power and ground ci rcuit s to thefuel fi red boos ter heater moduleCheck for st ored di agnos ti c troubl e codesCheck for correct operat ion
U3000-43Control Module -s pecial memoryfai lure
Fuel fired boos t er heatermodule failureUsi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for reoccurrence of t he diagnost ic troubl ecodeIf t he diagnost ic troubl e code returnsIns tal l a new fuel fired boos t er heat er modul eas requiredFor addit ional informati on, refer t o: Fuel FiredBoos t er Heat er (412-02B Auxil iary Climat eCont rol , Removal and Ins t allat ion).Refer to the warrant y policy and proceduresmanual , or det ermi ne if any prior approvalprogramme is in operat ion, pri or t o t heins tal lati on of a new modul e/component
U3000-49Control Module -int ernal elect roni cfai lure
Fuel fired boos t er heatermodule failureUsi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for reoccurrence of t he diagnost ic troubl ecodeIf t he diagnost ic troubl e code returnsIns tal l a new fuel fired boos t er heat er modul eas requiredFor addit ional informati on, refer t o: Fuel FiredBoos t er Heat er (412-02B Auxil iary Climat eCont rol , Removal and Ins t allat ion).Refer to the warrant y policy and proceduresmanual , or det ermi ne if any prior approvalprogramme is in operat ion, pri or t o t heins tal lati on of a new modul e/component
U3003-62Batt ery Vol tage -s ignal comparefai lure
There i s a difference ofmore than 2 vol ts bet weenthe power s uppl y t o t he fuelfi red boos ter heater and t hebat t ery volt age val uebroadcas t via t he CAN bus
Check ot her modules for rel at ed diagnos ti ctroubl e codesIf ot her modul es cont ai n volt age relat eddiagnos t ic t rouble codes, s us pect a commoncaus e (bat t ery/charging s ys tem fault )If not , refer t o t he electrical ci rcuit diagramsand check t he power and ground ci rcuit s to thefuel fi red boos ter heater module

DT CDescriptionPossible CauseAction
B1D17-88Batt ery BackedSounder - bus offLos t communicat ions wi thbat tery backed s ounderCarry out the net work t est as s oci ated wi th thi s DTCusi ng t he manufact urer approved diagnost ic s ys tem
B1D17-96Batt ery BackedSounder - componentint ernal fai lure
Bat tery backed s ounder -i nternal failureIns t al l a new bat tery backed s ounder, refer t o newmodule/component i nst all at ion not e at t he top of t heDTC IndexB1D18-96Volumet ri c Sens orCircui t - componentint ernal fai lure
Interior mot ion s ensor -i nternal failureIns t al l a new i nteri or moti on s ens or, refer t o newmodule/component i nst all at ion not e at t he top of t heDTC Index
B1D21-62Remote Cont rolSwit ch - Signalcompare failure
A request from aprogrammed remote keywas recei ved and theroll ing count er wasi ncorrect
Re-s ynchroni se the remote key by us i ng the key t os tart the vehicle
B1C55-12Horn Rel ay CoilCircui t - circuit shortt o power
Horn rel ay cont rol circui t -s hort t o powerRefer to electrical ci rcuit diagrams and check horn relaycont rol circuit for s hort to power
B1C55-14Horn Rel ay CoilCircui t- ci rcuit s hortt o ground or open
Horn rel ay cont rol circui t -s hort t o ground, openci rcuit
Refer to electrical ci rcuit diagrams and check horn relaycont rol circuit for s hort to ground, open circui t
B1C82-12Headlamp W asherRelay Coil Ci rcuit -circui t short to power
Headlamp washer rel aycontrol ci rcuit - s hort t opower
Refer to electrical ci rcuit diagrams and check headl ampwasher rel ay cont rol circui t for s hort t o power
B1C82-14Headlamp W asherRelay Coil Ci rcuit -circui t short to groundor open
Headlamp washer rel aycontrol ci rcuit - s hort t oground, open circuit
Refer to electrical ci rcuit diagrams and check headl ampwasher rel ay cont rol circui t for s hort t o ground, openci rcuit
B1C84-12Heated Rear W i ndowRelay Out put Ci rcuit -circui t short to power
Heat ed rear wi ndow relaycontrol ci rcuit - s hort t opower
Refer to electrical ci rcuit diagrams and check heatedrear window relay control ci rcuit for s hort t o power
B1C84-14Heated Rear W i ndowRelay Out put Ci rcuit -circui t short to groundor open
Heat ed rear wi ndow relaycontrol ci rcuit - s hort t oground, open circuit
Refer to electrical ci rcuit diagrams and check heatedrear window relay control ci rcuit for s hort t o ground,open ci rcuit
B1C90-12Auxili ary DrivingLamps Relay CoilCircui t - circuit shortt o power
Auxil iary dri vi ng lampsrelay control ci rcuit - s hortt o power
Refer to electrical ci rcuit diagrams and check auxi li arydri vi ng lamps relay control ci rcuit for s hort t o power
B1C90-14Auxili ary DrivingLamps Relay CoilCircui t - circuit shortt o ground or open
Auxil iary dri vi ng lampsrelay control ci rcuit - s hortt o ground, open circuit
Refer to electrical ci rcuit diagrams and check auxi li arydri vi ng lamps relay control ci rcuit for s hort t o ground,open ci rcuit
B1D13-12Int eri or Li ght s #1Circui t - circuit shortt o power
Ins trument panel int eriorl ight s ci rcuit - s hort t opower
Refer to electrical ci rcuit diagrams and checkins trument panel int eri or l ights ci rcuit for short topower
B1D13-14Int eri or Li ght s #1Circui t - circuit shortt o ground or open
Ins trument panel int eriorl ight s ci rcuit - s hort t oground, open circuit
Refer to electrical ci rcuit diagrams and checkins trument panel int eri or l ights ci rcuit for short toground, open circui t
B1D1A-12Int eri or Li ght s Ci rcuit'C' - circui t s hort topower
Roof cons ole int erior l ightsci rcuit - s hort t o powerRefer to electrical ci rcuit diagrams and check roof panelint erior l ights ci rcuit for s hort t o power
B1D1A-14Int eri or Li ght s Ci rcuit'C' - circui t s hort toground or open
Roof cons ole int erior l ightsci rcuit - s hort t o ground,open circui t
Refer to electrical ci rcuit diagrams and check roof panelint erior l ights ci rcuit for s hort t o ground, open circuit
B1D35-24Hazard Swi tch -Signal st uck highHazard swit ch is acti vemore t han 60 s econdsCarry out the pi npoint t es ts as s oci at ed t o t his DTCusi ng t he manufact urer approved diagnost ic s ys tem
C0023-11Stop Lamp Cont rol -circui t short to groundSt op lamp cont rol circui t -s hort t o groundRefer to electrical ci rcuit diagrams and check s top lampcont rol circuit for s hort to ground
C0023-13Stop Lamp Cont rol -circui t openSt op lamp cont rol circui t -open circui tRefer to electrical ci rcuit diagrams and check s top lampcont rol circuit for open ci rcuit
C1108-11Pedal Sens or(s )Suppl y Volt age -circui t short to ground
Pedal sens or(s ) supplyvolt age circui t - short toground
Refer to electrical ci rcuit diagrams and check pedals ens or(s ) supply vol tage circui t for s hort t o ground
C1108-15Pedal Sens or(s )Suppl y Volt age -circui t short to poweror open
Pedal sens or(s ) supplyvolt age circui t - short topower, open circui t
Refer to electrical ci rcuit diagrams and check pedals ens or(s ) supply vol tage circui t for s hort t o power,open ci rcuit
C1A41-21Clut ch Pedal Sensor -s ignal amplit ude s i gnal <3% of s uppl y(5V)Carry out the pi npoint t es ts as s oci at ed t o t his DTCusi ng t he manufact urer approved diagnost ic s ys tem