Publ is hed: 26-Oct -2011
General Information - Diagnostic Trouble Code (DTC) IndexDTC: High
Definition Radio Module (HDR)
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 cell ular phone sys tem, refer t o t he rel evant Des cript ion and Operat ion s ecti on in theworks hop manual . For addit ional informat ion, refer t o: Audi o Syst em (415-01 Informati on and Entertainment Sys tem,Des cript ion and Operat ion).
Digital Audio Control Module C (DAC MC )DT CDescriptionPossible CauseAction
B1A56-02Antenna -general si gnalfai lure
Antenna general si gnal failureRefer t o t he electrical gui des and check the IBOC radiomodule ci rcuit and t he antenna for s hort t o power, opencircui t, hi gh res is t ance. Clear the di agnos ti c t roublecode and ret est . If the di agnos ti c troubl e code pers is ts ,check and i nst all a new IBOC radio modul e, as required.Refer t o t he warranty poli cy and procedures manual , ordetermine if any pri or approval programme is inoperat ion, prior t o t he ins t al lat ion of a new modul eB1A56-11Antenna - circui ts hort t o groundIBOC radio module or antennacircuit s hort t o groundRefer t o t he electrical gui des and check the IBOC radiomodule ci rcuit and t he antenna for s hort ci rcuit t oground
B1A56-12Antenna - circui ts hort t o batt eryIBOC radio module or antennacircuit s hort t o powerRefer t o t he electrical gui des and check the IBOC radiomodule ci rcuit and t he antenna for s hort ci rcuit t opower
B1A56-13Antenna - circui topenIBOC radio module or antennacircuit open circui tRefer t o t he electrical gui des and check the IBOC radiomodule ci rcuit and t he antenna for open circui t
U200D-14Control ModuleOut put Power A -circui t short toground or open
IBOC radio module powers uppl y ci rcuit s hort t o groundor open ci rcuit
Refer t o t he electrical gui des and check the IBOC radiomodule divers it y power ci rcuit for short to ground, opencircui t
U3000-04Control Module -s yst em i nternalfai lures
IBOC radio module i nternalfai lureRenew t he IBO C radi o module
U3000-4AControl Module -incorrectcomponentins t al led
IBOC radio module i nternalincorrect component i ns t alled -The module has been i ns t alledto a vehicle not configured toaccept it
Us ing the manufact urer approved di agnos ti c s yst ems elect the vehicle configurat ion mai n menu, s el ectconfigure exis ti ng modules menu and program t hemodule
U3000-55Control Module -not configuredIBOC radio module notconfigured correct lyUs ing the manufact urer approved di agnos ti c s yst ems elect the vehicle configurat ion mai n menu, s el ectconfigure exis ti ng modules menu and program t hemodule
U3000-87Control Module -mi ss i ng mes sageMis s ing mess ageUs ing the manufact urer approved di agnos ti c s yst ems elect the vehicle configurat ion mai n menu, s el ectconfigure exis ti ng modules menu and program t hemoduleU3000-98Control Module -component ors yst em overt emperature
IBOC radio module componentor sys t em over temperat ureCons ider movi ng t he IBOC radio modul e t o prevent uni toverheati ng. Cool the vehicle int erior down by ens uri ngi t is i n t he s hade and have t he A/C on cool . W hen cool,clear t he diagnos t ic t rouble code and retes tU3003-62Batt ery Vol tage -s ignal comparefai lure
Mis mat ch in bat tery volt age of2 volt s or more for l onger than1 mi nute, between t hemeas ured batt ery volt age atthe IBOC radio modul e and t hebatt ery volt age s ignal s entfrom t he rear junct ion box
Refer t o t he electrical gui des and check that powers uppl y volt age at IBOC radio modul e and rear junct ionbox i s not di fferent by more than 2 vol ts . Recti fy asrequi red
Authori ng Templat e
