P2775
P2775-AUTOSTICK UPSHIFT SWITCH CIRCUIT PERFORMANCE - ESMTheory of Operation
The AutoStick Switch is integrated into the Shifter Lever Assembly. The gear requested by the AutoStick selection in then sent over the CAN C bus to the TCM to engage the requested gear.
- When Monitored:
When in AutoStick mode.
- Set Condition:
When the expected switch state is not correctly sensed by the Shifter Lever Assembly. If the upshift switch signal is detected as active in gear position other than drive or both upshift and downshift signals are active at the same time.
Possible Causes
SHIFTER LEVER ASSEMBLY
1. SHIFTER LEVER ASSEMBLY
View repair Repair
Using the schematics as a guide, check the Shifter 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 Shifter Lever Assembly.
Perform NAG1 TRANSMISSION VERIFICATION TEST - VER 1. Verification Tests