P0ACC

Hybrid/EV Battery Temperature Sensor C Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine light comes on
Reduced performance of the hybrid system
Incorrect battery temperature readings
Reduced vehicle power
Warning messages on the dashboard

Causes

Open or short circuit in the sensor circuit
Temperature sensor fault C
Poor contact in wiring connectors
Wiring harness damage
Battery management module malfunction

How to Fix

Check the continuity of the temperature sensor circuit
Inspect connectors and contacts for corrosion
Test the resistance of the temperature sensor
Check the voltage in the sensor circuit
If necessary, replace temperature sensor C

Related codes

P0AC9 P0ACA P0ACB