P271B

Park Pawl Position Sensor A Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine light comes on
Problems with switching automatic transmission modes
The car may not switch to parking mode
Possible jerking when changing gears
The instrument panel may display incorrect selector position

Causes

Open circuit in the parking latch position sensor circuit
Short circuit to power in the sensor circuit
Malfunction of the position sensor itself
Connector problems or contact corrosion
Transmission control module (TCM) malfunction

How to Fix

Check the integrity of the sensor circuit
Check the voltage and resistance of the sensor
Inspect connectors and contacts for corrosion
If necessary, replace the parking latch position sensor
Check the operation of the transmission control module

Related codes

P271A P271C P271D