Diagnostic Test

WARNING: This page is about a different car, the 2020 Chrysler 300 and 2019 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN ACTIVE DTC

Turn the ignition on.
With the scan tool, read active DTCs.
Is this DTC active?

Yes
- Refer to U0141-LOST COMMUNICATION WITH IPM (BCM) and perform the U0141-Lost Communication with IPM (BCM) diagnostic procedure.
No
- Refer to STORED LOST COMMUNICATION DTCS and perform the Stored Lost Communication DTCs diagnostic procedure.