P0821
Gear Lever X Position Sensor 1 Circuit
P0821 is an OBD-II diagnostic trouble code meaning: Gear Lever X Position Sensor 1 Circuit. Common causes: gear position sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Incorrect gear shifting
- Check Engine light comes on
- The gear lever does not lock in the desired position
- Problems starting the engine
Causes
- Gear position sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Transmission control module (TCM) problems
How to Fix
- Check the integrity of the sensor wiring and connectors
- Check sensor resistance
- Clean connector contacts
- Replace the gear lever position sensor if necessary
Related codes
Error P0821 by Vehicle Brand
FAQ
What does the P0821 code mean?
P0821 is an OBD-II diagnostic trouble code that indicates: Gear Lever X Position Sensor 1 Circuit
What causes a P0821 error code?
The most common causes of P0821 include: Gear position sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Transmission control module (TCM) problems.
How do I fix a P0821 diagnostic trouble code?
To fix P0821: Check the integrity of the sensor wiring and connectors. Check sensor resistance. Clean connector contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0821?
Limited driving only, diagnose soon
How much does it cost to fix P0821?
The estimated repair cost for P0821 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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