Diagnostic Test
WARNING: This page is about a different car, the 2012 RAM Pickup and 2012 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- VERIFY DTC IS ACTIVE NOTE:
Make sure the IOD fuse is installed and the battery is fully charged before proceeding.
- Turn the ignition on.
- With the scan tool, read active DTC's.
Is this DTC active?
Yes
- Refer to U0203-LOST COMMUNICATION WITH DOOR MODULE FRONT LEFT (DMFL) (DRIVER DOOR MODULE) and perform the diagnostic procedure.
No
- Refer to STORED LOST COMMUNICATION DTC's and perform the diagnostic procedure.