Diagnostic Test
WARNING: This page is about a different car, the 2011 RAM Pickup and 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
When Monitored:
- Output rpm is greater than 250 rpm, Transmission is in Drive, no electrical DTCs present, transmission not currently in a gear shift.
Set Condition:
- If the calculated ratio does not match the predetermined ratio for the current gear for more than 2.5 seconds, this DTC will set.
| Possible Causes |
|---|
| INTERNAL TRANSMISSION PROBLEM |
| TRANSMISSION CONTROL MODULE (TCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to Standard Procedure .
- CHECK FOR INTERNAL TRANSMISSION PROBLEM
- Determine if there are any Transmission mechanical problems present.
- Remove the Transmission Oil Pan and inspect for excessive debris or a plugged Transmission Oil Filter.
- Inspect valve body for foreign material.
Is there any Transmission mechanical problems present?
Yes
- Repair as necessary in accordance with the Service Information.
- Perform AS68RC VERIFICATION TEST. Refer to Standard Procedure .
No
- Using the schematics as a guide, check the Transmission Control Module (TCM) pins, terminals, and connectors 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 TCM in accordance with the Service Information.
- Perform AS68RC VERIFICATION TEST. Refer to Standard Procedure .