Inspection and Verification
- Verify the customer concern by operating the transmission external control.
- Visually inspect for obvious signs of mechanical and electrical damage; refer to the following charts:VISUAL INSPECTION CHART
Mechanical Electrical - Shift lock actuator
- Transmission control switch
- SST (+/-) switches
- Shift cable and bracket
- Park sense switch
- Central junction box (CJB) fuse:
- 204 (5A)
- 205 (5A)
- Damaged wiring harness
- Loose or corroded connections
- Powertrain control module (PCM)
DIAGNOSTIC TROUBLE CODE CHARTFive Digit DTC Component Description Condition Symptom Action P0815 SST +/- SST +/- Circuit Input Signal Failed PCM has detected an incorrect voltage SST input. May not be able to shift in manual mode. Go To PINPOINT TEST C . P1780 TCS TCS Input Incorrect Per Selected Position TCS voltage incorrect. No overdrive cancel when range selector is moved. Go To PINPOINT TEST A . - If the concern is not visually evident, determine the symptom. GO to SYMPTOM CHART .