Drivetrain Control Module (DTCM)

U0429-IMPLAUSIBLE DATA RECEIVED FROM SCM (SAS)

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 Steering Angle Sensor (SAS) condition present, and no system undervoltage or overvoltage condition present.

- Set Condition:
The Drive Train Control Module (DTCM) is receiving implausible data for sensor status from the Steering Angle Sensor (SAS).





Diagnostic Test

1. DTC IS ACTIVE

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

1. Ignition on, engine not running.
2. With the scan tool, read DTCs.

Is the status Active for this DTC?

Yes

- Go To 2

No

- Go To 3

2. CHECK FOR SAS DTCS
1. With the scan tool, read DTCs in the Anti-lock Brake System (ABS) Module.

Are there any SAS DTCs present?

Yes

- Perform the appropriate diagnostic procedure. A L L Diagnostic Trouble Codes ( DTC ).

No

- Replace the Drive Train Control Module (DTCM).
- Perform 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 diagram/schematic as a guide, inspect the wiring harness and connectors.
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 DTCM VERIFICATION TEST. DTCM Verification Test.

No

- Test complete.