P0BC3

Hybrid/EV Battery Temperature Sensor E Circuit Range/Performance

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine light comes on
Hybrid system power reduction
Reduced electric range
Error message on display
Activation of emergency operation

Causes

Faulty battery temperature sensor
Open or short circuit in the circuit
Poor contact in connectors
Wiring harness damage
Battery management module malfunction

How to Fix

Check the integrity of the sensor circuit
Check the resistance of the temperature sensor
Inspect connectors and contacts for corrosion
Check the operation of the battery management module
Replace faulty temperature sensor

Related codes

P0BC1 P0BC2 P0BC4