P0CB0

Hybrid/EV Battery Temperature Sensor N Circuit High

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$33–167 (est.)

Symptoms

Hybrid system power reduction
Warning messages on the dashboard
Reduced electric range
Irregular operation of the battery cooling system

Causes

Open or short circuit in the sensor circuit
Battery temperature sensor fault N
Connector problems or contact corrosion
Battery management module malfunction
Wiring harness damage

How to Fix

Check the continuity of the temperature sensor circuit
Check sensor resistance and voltage
Inspect connectors and contacts for corrosion
Replace faulty temperature sensor
Check and replace the battery management module if necessary

Related codes

P0CAF P0CB1 P0CB2