Shift Lever Code

P0607-ECU INTERNAL PERFORMANCE - SLA

Theory of Operation
The Shifter Lever Assembly performs various internal tests to verify proper controller operation. This DTC indicates that there is an issue with the Shifters 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. NAG1 Automatic Transmission

Diagnostic Test





1. SHIFT 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 Shift Lever Assembly.
Perform NAG1 TRANSMISSION VERIFICATION TEST VER 1. NAG1 Transmission Verification Test