P0C71

Hybrid/EV Battery Temperature Sensor D/E Correlation

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–167 (est.)

Symptoms

Check Engine light comes on
Reduced performance of the hybrid system
Vehicle power limitation
Incorrect battery temperature readings
Extended charging time

Causes

Temperature sensor D or E faulty
Damage to the wiring to the sensors
Oxidation or poor contact in connectors
Problems with the battery management module
Software error in the control system

How to Fix

Diagnostics of temperature sensor readings
Checking the integrity of wiring and connectors
Replacing a faulty temperature sensor
Control Module Software Update
Checking system operation after repair

Related codes

P0C72 P0C70 P0A7F