Diagnostic Test

WARNING: This page is about a different variant/trim than selected.

CHECK FOR AN ACTIVE DTC

Turn the ignition on.
With the scan tool, read DTCs and record on the repair order.
Is the DTC active or pending?

Yes
- Refer to 2.0L & 2.4L - DIAGNOSTIC CODE INDEX and perform the U0121-Lost Communication with Anti-Lock Brake Module diagnostic procedure.
No
- Refer to STORED LOST COMMUNICATION DTCS and perform the Stored Lost Communication DTCs diagnostic procedure.