P2775

P2775-AUTOSTICK UPSHIFT SWITCH CIRCUIT PERFORMANCE - ESM

For a complete wiring diagram Consult Diagrams/Electrical

- When Monitored:
Continuously with the ignition in the run position.

- Set Condition:
When the expected switch state is not correctly sensed by the Shift Lever Assembly. If the upshift switch signal is detected as active in gear position other than drive.





Always perform the NAG1 Pre-Diagnostic Troubleshooting procedure before proceeding. Testing and Inspection

Theory of Operation

The AutoStick Switch is integrated into the Shift Lever Assembly. The gear requested by the AutoStick selection is then sent over the CAN C bus to the TCM to engage the requested gear.

1. SHIFT LEVER ASSEMBLY
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Repair

- Using the schematics as a guide, check the Shift Lever Assembly (SLA) Electronic Shift Module (ESM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace the Shift Lever Assembly. Refer to Shift Mechanism for the appropriate service procedures.
- Perform NAG1 TRANSMISSION VERIFICATION TEST. Transmission Verification Test