Pinpoint Test E: Central Configuration Faults
- Refer to Module Communications Network
for schematic and connector information.
Normal Operation and Fault Conditions
The TCCM receives VID (vehicle identification) block configuration data from the BCM via the GWM over the FD-CAN. This data includes items like tire size, axle ratio, and other vehicle options.
DTC Fault Trigger Conditions
DTC Description Fault Trigger Condition TCCM U2300:54 Central Configuration: Missing Calibration The TCCM central configuration software has detected an internal data error. TCCM U2300:55 Central Configuration: Not Configured The TCCM central configuration software has detected an internal data error. TCCM U2300:56 Central Configuration: Invalid/Incompatible Configuration The TCCM central configuration software has detected an internal data error. TCCM U2300:64 Central Configuration: Signal Plausibility Failure The TCCM central configuration software has detected an internal data error. Possible Causes
- BCM faults
- TCCM
- E1 CHECK FOR BCM (BODY CONTROL MODULE) DTC (DIAGNOSTIC TROUBLE CODE)
- Enter the following diagnostic mode: BCM On Demand and CMDTC self-test.
Are any BCM DTC present?
Yes DIAGNOSE and REPAIR all DTC in the BCM. If no service articles address this concern, INSTALL a new BCM. REFER to: Body Control Module (BCM) . No GO to E2 - E2 ATTEMPT TO CORRECT THE DATA ERROR
- Enter the following diagnostic mode: BCM automatic as-built programming.
- Ignition OFF.
- Ignition ON.
- Enter the following diagnostic mode: TCCM Clear and retest CMDTC.
Is the U2300:xx DTC present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM, or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new TCCM. REFER to: Transfer Case Control Module (TCCM) . No The repair is complete.