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 DTC IS CURRENT
1. Turn the ignition ON.
2. With the scan tool, CLEAR transmission DTCs.
3. Raise the vehicle on the hoist.
4. Start the engine.
5. With the scan tool, monitor the Input Speed Sensor RPM.
6. Firmly apply the brake pedal and place the gear selector in Drive.
  WARNING:
  To avoid personal injury or death, keep hands and feet clear of rotating wheels.
7. Release the brakes and raise the engine rpm to allow the transmission to perform a 2-3 and 3-4 upshift.
  Did the Input Speed Sensor display an rpm above 7, 700?
  
  Yes
  - Go To 2
  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 to the Service Information. Refer to VALVE BODY, REMOVAL .
  - Perform the TRANSMISSION VERIFICATION TEST. Refer to STANDARD PROCEDURE .
INTERNAL TRANSMISSION
1. This DTC is an indication of a internal transmission failure.
2. Remove the Transmission Oil Pan and inspect for excessive debris such as clutch friction material or metal contamination.
  Is there any indication of an internal transmission failure?
  
  Yes
  - Repair internal transmission as necessary in accordance to the Service Information.
  - Perform the TRANSMISSION VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Using the schematics as a guide, check the (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 to the Service Information. Refer to VALVE BODY, REMOVAL .
  - Perform the TRANSMISSION VERIFICATION TEST. Refer to STANDARD PROCEDURE .