Diagnostic Test
WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FOR BCM CAN BUS DTCS
- With the scan tool, read BCM DTCs.
Are any BCM CAN BUS DTCs present?
Yes
- Refer to DTC INDEX - 2500 HD & 3500 HD and perform the appropriate diagnostic procedure. Perform the diagnostic procedure for DTC U0001-CAN C BUS first if the fault is present.
- Perform the TRANSMISSION VERIFICATION TEST. Refer to appropriate diagnostic information.
No
- Go To 2
- With the scan tool, read BCM DTCs.
- CHECK IF STEERING CONTROL MODULE (SCM) DTCS ARE PRESENT
- With the scan tool, read SCM DTCs.
Are any SCM DTCs present?
Yes
- Refer to DIAGNOSIS AND TESTING and perform the appropriate diagnostic procedure.
- Perform the TRANSMISSION VERIFICATION TEST. Refer to appropriate diagnostic information.
No
- Using the schematics as a guide, check the Transmission Control Module Assembly (TCMA) terminals for corrosion, damage or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace and program the TCMA in accordance with the Service Information. Refer to appropriate diagnostic information.
- Perform the TRANSMISSION VERIFICATION TEST. Refer to appropriate diagnostic information.
- With the scan tool, read SCM DTCs.