P2C3B
Cylinder Head Temperature Sensor B Circuit High
P2C3B is an OBD-II diagnostic trouble code meaning: Cylinder Head Temperature Sensor B Circuit High. Common causes: short circuit in the sensor circuit, head temperature sensor malfunction. Estimated repair cost: $17–56.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Emergency engine operation
- Unstable engine temperature readings
- Problems starting the engine in cold weather
Causes
- Short circuit in the sensor circuit
- Head temperature sensor malfunction
- Damaged wiring or corroded contacts
- Problems with the sensor connector
- Engine ECU malfunction
How to Fix
- Check the integrity of the sensor circuit
- Inspect connectors and wires for damage
- Test the head temperature sensor
- Replace sensor if necessary
- Check and update the ECU firmware if necessary
Related codes
Error P2C3B by Vehicle Brand
FAQ
What does the P2C3B code mean?
P2C3B is an OBD-II diagnostic trouble code that indicates: Cylinder Head Temperature Sensor B Circuit High
What causes a P2C3B error code?
The most common causes of P2C3B include: Short circuit in the sensor circuit; Head temperature sensor malfunction; Damaged wiring or corroded contacts; Problems with the sensor connector.
How do I fix a P2C3B diagnostic trouble code?
To fix P2C3B: Check the integrity of the sensor circuit. Inspect connectors and wires for damage. Test the head temperature sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2C3B?
Limited driving only, diagnose soon
How much does it cost to fix P2C3B?
The estimated repair cost for P2C3B is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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