P0821

Gear Lever X Position Sensor 1 Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

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

P0820 P0822 P0823