Useful checks before replacing parts
- Graph manual mode input while moving the shifter, driving over vibration, applying light console pressure, and flexing the harness.
- Inspect connector locking, terminal tension, switch wear, liquid damage, wiring flex points, and shared ground or reference stability.
- Check whether manual mode drops out in one gate, during hot operation, after bumps, or during repeated upshift and downshift requests.
Related OBD-II codes
These nearby transmission entries can help compare wording and fault area. They may share the same verification status as the source database.