P0C90

Hybrid/EV Battery Temperature Sensor J Circuit High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine light comes on
Hybrid system power reduction
Incorrect battery temperature readings
Limiting the operation of the recuperation system
Error message on display

Causes

Short circuit in the sensor circuit to power
Battery temperature sensor fault J
Wiring harness damage
Poor contact in connectors
Problems with the battery management module

How to Fix

Check the integrity of the sensor wiring harness
Check the resistance of the temperature sensor
Inspect connectors for corrosion or damage
Check the voltage in the sensor circuit
Replace battery temperature sensor if necessary

Related codes

P0C91 P0C92 P0C93