P271B
Park Pawl Position Sensor A Circuit High
P271B is an OBD-II diagnostic trouble code meaning: Park Pawl Position Sensor A Circuit High. Common causes: open circuit in the parking latch position sensor circuit, short circuit to power in the sensor circuit. Estimated repair cost: $28–89.
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
Error P271B by Vehicle Brand
FAQ
What does the P271B code mean?
P271B is an OBD-II diagnostic trouble code that indicates: Park Pawl Position Sensor A Circuit High
What causes a P271B error code?
The most common causes of P271B include: 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.
How do I fix a P271B diagnostic trouble code?
To fix P271B: Check the integrity of the sensor circuit. Check the voltage and resistance of the sensor. Inspect connectors and contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P271B?
Limited driving only, diagnose soon
How much does it cost to fix P271B?
The estimated repair cost for P271B is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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