P0607

P0607-ECU INTERNAL PERFORMANCE - ESM

Theory of Operation
The Shifter Lever Assembly (SLA) Electronic Shift Module (ESM) performs various internal tests to verify proper controller operation. This DTC indicates that there is an issue with the Shifter's internal processor.
- When Monitored:
Continuously with the ignition on.
- Set Condition:
If the Shift Lever Assembly controller detects an error with the optical sensors or internal checksum value is not correct.

Possible Causes
SHIFTER LEVER ASSEMBLY

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

Diagnostic Test





1. SHIFTER LEVER ASSEMBLY
View repair
Repair
Using the schematics as a guide, check the Shifter Lever Assembly Control Module 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