P2C3A

Cylinder Head Temperature Sensor B Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Unstable engine operation
Engine overheating
Increased fuel consumption
Check Engine light comes on

Causes

Malfunction of the cylinder head temperature sensor
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Engine ECU malfunction

How to Fix

Check the integrity of the sensor circuit
Check sensor connections and connectors
Replace cylinder head temperature sensor if necessary
Check the operation of the engine ECU

Related codes

P2C3B P2C3C P2C3D