Diagnostic Test
WARNING: This page is about a different car, the 2017 RAM 2500 HD. 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 DTCs and record on the repair order.
Is the DTC active or pending?
Yes
- Go To 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
- CHECK THE TCM FOR DTCS
- With the scan tool, read DTCs in the TCM.
Are there any DTCs set in the TCM?
Yes
- Perform the diagnostic procedure in the TCM. Refer to DTC INDEX - 2500 HD .
No
- Replace the Transmission Control Module in accordance with the Service Information.
.
- With the scan tool, read DTCs in the TCM.