Powertrain Control Module (PCM)

U0429-IMPLAUSIBLE DATA RECEIVED FROM STEERING CONTROL MODULE

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

- When Monitored:
Continuously while the system is active.

- Set Condition:
An error message has been received over the CAN C bus from the Steering Control Module (SCM).





Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Pre-Diagnostic Troubleshooting Procedure.

Diagnostic Test

1. ACTIVE DTC

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

1. Ignition on, engine not running.
2. With a scan tool, view DTCs.

Is the status Active for this DTC?

Yes

- Go To 2

No

- Perform the INTERMITTENT DTC diagnostic procedure. Intermittent Condition Test,

2. SCM COMMUNICATION RELATED DTCs IN OTHER MODULES
1. With the scan tool, select Network Diagnostics.

Is there more than one module with active DTCs "Logged Against" the SCM at this time?

Yes

- Replace and program the Steering Control Module (SCM).
- Perform the BODY VERIFICATION TEST. Body Verification Test .

No

- Replace and program the Powertrain Control Module (PCM).
- Perform the PCM VERIFICATION TEST. Powertrain Verification Test.