Page 15 of 139

AUTOMATIC TRANSMISSION
Fault finding - Fault summary table23A
23A - 15V5 MR-372-J84-23A100$290.mif
SIEMENS TA2005
Vdiag No.: 14-18
Tool faultAssociated
DTCDiagnostic tool title
DF147 D122Invalid anticipated torque multiplex signal
DF177 0218Automatic transmission overheating
DF183 C140No UCH multiplex signal
DF185 C121No ABS/ESP multiplex signal
DF186 C100No injection multiplex signal
DF226 0841Automatic transmission internal pressure
DF227 D403Invalid UCH brake pedal multiplex signal
DF228 D22BInvalid ABS transverse acceleration multiplex signal
DF229 D208Invalid ABS brake multiplex signal
DF230 0720Invalid vehicle speed multiplex signal
DF231 D200Absent vehicle speed multiplex signal
DF232 0603Computer
DF233 0604Computer
DF234 0605Computer
DF235 D121Invalid pedal position multiplex signal
DF236 D11FInvalid engine speed multiplex signal
DF237 D100Invalid coolant temperature signal
DF238 D12BInvalid raw engine torque multiplex signal
DF239 D120Invalid actual engine torque multiplex signal
DF240 D220Invalid front right-hand wheel speed multiplex signal
DF241 D221Invalid front left-hand wheel speed multiplex signal
DF242 D225Invalid rear right-hand wheel speed multiplex signal
DF243 D226Invalid rear left-hand wheel speed multiplex signal
DF244 0715Turbine speed sensor signal
DF263 D12DInstantaneous maximum torque multiplex signal
Page 45 of 139

AUTOMATIC TRANSMISSION
Fault finding - Interpretation of faults
23A
23A-45V5 MR-372-J84-23A100$348.mif
SIEMENS TA2005
Vdiag No.: 14-18
DF131
PRESENT
OR
STOREDSLIPPAGE
1.DEF: Permanent low level
NOTESDeal with all other faults first.
Conditions for applying the fault finding procedure to stored faults:
Safe mode is triggered after a fault, not by the driver.
In particular, check that there are no faults on:
–the turbine speed sensor, DF244 Turbine speed sensor signal.
–the vehicle speed signal, DF230 Invalid vehicle speed multiplex signal.
Check that PR003 “Oil pressure” equals 21 bar. (forced setpoint)
Possible defective components:
Slave cylinder (brakes, clutch) or computer.
Then check cleanliness and condition of the gearbox oil.
If the fault is still present, contact Techline.
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition and carry out a road test followed by a test with the diagnostic
tool.
DP0TA2005_V14_DF131/DP0TA2005_V18_DF131
Page 57 of 139
AUTOMATIC TRANSMISSION
Fault finding - Interpretation of faults
23A
23A-57V5 MR-372-J84-23A100$406.mif
SIEMENS TA2005
Vdiag No.: 14-18
DF230
PRESENT
OR
STOREDINVALID VEHICLE SPEED MULTIPLEX SIGNAL
1.DEF: Inconsistency of the signal
NOTESIf the following faults are present or stored, deal with them first:
–DF240 Invalid front right-hand wheel speed multiplex signal.
–DF241 Invalid front left-hand wheel speed multiplex signal.
–DF242 Invalid rear right-hand wheel speed multiplex signal.
–DF243 Invalid rear left-hand wheel speed multiplex signal.
Run a multiplex network test (see 88B, Multiplex).
If the fault is still present, carry out fault finding on the system (see 38C, ABS).
If the problem is still present, contact the Techline.
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition and carry out a road test followed by a test with the diagnostic
tool.
DP0TA2005_V14_DF230/DP0TA2005_V18_DF230