P27F1
Transmission Range Control B Position Sensor/Switch Circuit Low
P27F1 is an OBD-II diagnostic trouble code meaning: Transmission Range Control B Position Sensor/Switch Circuit Low. Common causes: open or short circuit in the sensor circuit, transmission range position sensor malfunction. Estimated repair cost: $17–56.
Symptoms
- Incorrect display of the current gear on the dashboard
- Gear shifting problems
- Transmission transition to emergency mode
- Check Engine Light Illuminates
- Failure to start the engine in certain selector positions
Causes
- Open or short circuit in the sensor circuit
- Transmission range position sensor malfunction
- Poor contact in sensor connectors
- Problems with power supply or sensor ground
- Mechanical damage to the sensor or its mounting
How to Fix
- Check the integrity of the sensor wiring and connectors
- Check the supply voltage and ground of the sensor
- Check the resistance and operation of the sensor
- Replace the faulty sensor if necessary
- Clean and check connectors
Related codes
Error P27F1 by Vehicle Brand
FAQ
What does the P27F1 code mean?
P27F1 is an OBD-II diagnostic trouble code that indicates: Transmission Range Control B Position Sensor/Switch Circuit Low
What causes a P27F1 error code?
The most common causes of P27F1 include: Open or short circuit in the sensor circuit; Transmission range position sensor malfunction; Poor contact in sensor connectors; Problems with power supply or sensor ground.
How do I fix a P27F1 diagnostic trouble code?
To fix P27F1: Check the integrity of the sensor wiring and connectors. Check the supply voltage and ground of the sensor. Check the resistance and operation of the sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P27F1?
Do not drive — repair immediately
How much does it cost to fix P27F1?
The estimated repair cost for P27F1 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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