Gear Shift Position Circuit A Range/Performance

Check these first

• A gear shift position sensor A drifting out of range
• A sensor A connector with corrosion
• A mechanical fault in the shifter
• A TCM or ECM software fault

What to do next

1. Read gear shift position A on a scan tool
2. Sweep the shifter and watch the position signal
3. Inspect the shifter linkage for wear or binding
4. Check the sensor A connector and wiring
5. Replace the sensor if the reading drifts
6. Clear the code and retest

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