Diagnostic Test

WARNING: This page is about a different car, the 2015 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.

ACTIVE DTC

NOTE:

For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Selecting any of the network components allows access to the source of the problem.

Ignition on, engine not running.
With the scan tool, select view DTCs.
Is the DTC Active at this time?

Yes
- Refer to BODY CONTROL MODULE (BCM) - DIAGNOSTIC CODE INDEX - 1500 article and perform the U0102-00 LOST COMMUNICATION WITH TRANSFER CASE CONTROL MODULE/AWD diagnostic procedure.
No
- Refer to DIAGNOSIS AND TESTING and perform the STORED LOST COMMUNICATION DTCs diagnostic procedure.

VERIFY THE DTC IS ACTIVE

Ignition on, engine not running.
With the scan tool, read and record the DTCs.
With the scan tool, erase the DTCs.
Cycle the ignition from off to on.
With the scan tool, read the DTCs.
Is the DTC Active at this time?

Yes
- Refer to DIAGNOSIS AND TESTING and perform the NO RESPONSE FROM DTCM (DRIVETRAIN CONTROL MODULE) diagnostic procedure.
No
- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .