Diagnostic Test
WARNING: This page is about a different variant/trim than selected.
- ACTIVE DTC
- Ignition on, engine not running.
- With the scan tool, select view DTCs.
Is the DTC Active at this time?
Yes
- Refer to U0121-LOST COMMUNICATION WITH ABS and perform the U0121-Lost Communication with Anti-Lock Brake Module diagnostic procedure.
No
- Refer to DIAGNOSIS AND TESTING and perform the Stored Lost Communication DTCs diagnostic procedure.