Diagnostic Test
WARNING: This page is about a different car, the 2013 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FOR TCM CAN BUS DTCS
- With the scan tool, read TCM DTCs.
Are any TCM CAN BUS DTCs present?
Yes
- Refer to DTC INDEX - 1500 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 STANDARD PROCEDURE .
No
- Go To 2
- With the scan tool, read TCM DTCs.
- CHECK IF PCM DTCS ARE PRESENT
- With the scan tool, read PCM DTCs.
Are any PCM DTCs present?
Yes
- Refer to DTC INDEX - 1500 and perform the appropriate diagnostic procedure.
- Perform the TRANSMISSION VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Using the schematics as a guide, check the Transmission Control Module A (TCMA) terminals for corrosion, damage or terminal push out. If no problems are found, replace and program the TCMA in accordance with the Service Information. Refer to VALVE BODY, REMOVAL .
- Perform the TRANSMISSION VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- With the scan tool, read PCM DTCs.