Possible Causes
If the transmission will not shift correctly, it may be caused by:
- Short to ground
- Wiring, terminals or connectors
- Open circuit
- Faulty pressure control solenoids
- Faulty PCM
NOTE:
Refer to the TRANSMISSION VEHICLE HARNESS connector illustration preceding these pinpoint tests.
NOTE:
Read and record all DTCs. All digital TR Sensor and VSS DTCs must be repaired before entering Output State Control (OSC).