Drivetrain Control Module (DTCM)

U0431-00-IMPLAUSIBLE DATA RECEIVED FROM IPM (FCM/TIPM)

For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
With the ignition on for four seconds, no CAN BUS circuit error condition present, no lost communication with TIPM condition present, and no system undervoltage or overvoltage condition present.

- Set Condition:
The Drive Train Control Module (DTCM) is receiving no message or implausible data for ambient temperature or the transfer case selector switch.





1. DTC IS ACTIVE

NOTE: Diagnose all CAN C and CAN Interior bus communication DTCs before continuing.

NOTE: This DTC must be active for the results of this test to be valid.

1. Ignition on, engine not running.
2. With the scan tool, record and erase DTCs.
3. Cycle the ignition switch from off to on.
4. With the scan tool, read DTCs.

Is the status Active for this DTC?

Yes

- Go To 2

No

- Go To 3

2. CHECK FOR TOTALLY INTEGRATED POWER MODULE (TIPM) DTCS
1. With the scan tool, read DTCs in the TIPM.

Are there any TIPM DTCs present?

Yes

- Testing and Inspection and perform the appropriate diagnostic procedure.

No

- Replace the Drive Train Control Module (DTCM). .
- Perform the DTCM VERIFICATION TEST. DTCM Verification Test.

3. INTERMITTENT WIRING HARNESS AND CONNECTORS
1. The conditions necessary to set this DTC are not present at this time.
2. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
3. Wiggle test the wiring harness and connectors while monitoring the scan tool data relative to this circuit.
4. Look for the data to change or for the DTC to reset during the wiggle test.

Were any problems found?

Yes

- Repair as necessary.
- Perform the DTCM VERIFICATION TEST. DTCM Verification Test.

No

- Test complete, the condition or conditions that originally set this DTC are not present at this time.