U0429–IMPLAUSIBLE DATA RECEIVED FROM SCM

For a complete wiring diagram Refer to Section 8W

When Monitored:
With ignition on, but not if low voltage is detected.

Or, if a CAN Bus off event is detected.
Set Condition:
If the Anti-Lock Brakes Module detects either the sequence or integrity of the Steering Angle Sensor messages is invalid.

Possible Causes

CAN C BUS CIRCUIT(S) SHORTED

LOAD TOO HIGH ON CAN C BUS

STEERING ANGLE SENSOR DTCs PRESENT

ANTI-LOCK BRAKES MODULE

Diagnostic Test

1. CHECK IF COMMUNICATION RELATED DTCs ARE PRESENT

Turn the ignition on.
With the scan tool, read ABS DTCs.

Are any Communication related DTCs present?

Yes

Diagnose and repair the DTC(s). Refer to the Table of Contents in this Section for a complete list of symptoms.

Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).

No

Go To 2

2. CHECK IF OTHER STEERING ANGLE SENSOR RELATED DTCs ARE PRESENT

With the scan tool, read ABS DTCs.

Are any other STEERING ANGLE SENSOR DTCs present?

Yes

Diagnose and repair the DTC(s). Refer to the Table of Contents in this Section for a complete list of symptoms.

Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).

No

Replace the Steering Angle Sensor in accordance with the Service Information.
Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).