P0CB5

Hybrid/EV Battery Temperature Sensor O Circuit High

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–67 (est.)

Symptoms

Check Engine light comes on
Hybrid system power reduction
System transition to emergency mode
Incorrect battery temperature readings
Reduced performance of the hybrid system

Causes

Short circuit in the temperature sensor circuit
Battery temperature sensor malfunction
Wiring harness damage
Poor contact in connectors
Problems with the hybrid system control module

How to Fix

Check the continuity of the temperature sensor circuit
Check resistance and sensor signal
Inspect connectors and wiring harness for damage
Replace faulty temperature sensor
Check and, if necessary, replace the hybrid system control module

Related codes

P0CB6 P0CB4 P0CB7