Diagnostic Test

WARNING: This page is about a different car, the 2016 Dodge Charger and 2015 Dodge Charger. 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 MSMD DTCs.
Is the DTC active?

Yes
- Perform the diagnostic test procedure for Can Interior Bus. Refer to DIAGNOSTIC CODE INDEX .
No
- Perform the Stored Lost Communication DTCs diagnostic procedure. Refer to STORED LOST COMMUNICATION DTCS .