Diagnostic Test

WARNING: This page is about a different variant/trim than selected.

CHECK TO SEE IF 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 Output Speed Sensor RPM.
6. Firmly apply the brakes 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 upshift to the 1-2 and 2-3 shift schedule.
  Did the Output Speed Sensor display an rpm below 1, 000?
  
  Yes
  - Go To 2.
  No
  - Refer to STANDARD PROCEDURE and perform the TRANSMISSION VERIFICATION TEST.
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 with the Service Information. Refer to DISASSEMBLY .
  - Refer to STANDARD PROCEDURE and perform the TRANSMISSION VERIFICATION TEST.
  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 .
  - Refer to STANDARD PROCEDURE and perform the TRANSMISSION VERIFICATION TEST.