TorqueMech OBD Code Guide
P0787 - Shift/Timing Solenoid Low
The shift or timing solenoid circuit is lower than expected.
Code first. Confirm symptoms and checks before pricing parts.
Read code pattern
Check likely system
Estimate after confirmation
Code Overview
The shift or timing solenoid circuit is lower than expected.
Common Causes
- Transmission sensor, solenoid, or switch fault
- Damaged wiring or connector
- Internal transmission or control-module issue
Diagnostic Steps
- Check transmission fluid condition and supporting codes
- Inspect the related connector and harness
- Compare commanded operation to live scan data if supported
Related OBD Codes
Browse nearby codes when systems overlap.
Next Steps
Move from code to checks, then estimate.