P2BDC

Motor Electronics Coolant Temperature Sensor C Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$6–33 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Check Engine Light Illuminates
Reduced engine power
Problems starting the engine in cold weather

Causes

Open or short circuit in the sensor circuit
Malfunction of coolant temperature sensor C
Poor contact in the sensor connector
Wiring harness damage
ECU malfunction

How to Fix

Check the integrity of the wiring to the sensor
Check sensor resistance at different temperatures
Clean sensor connector contacts
Replace the coolant temperature sensor if necessary
Check the operation of the computer

Related codes

P0115 P0116 P0117