P0AC1

Hybrid/EV Battery Pack Current Sensor A Circuit Low

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Hybrid system power reduction
Warning messages on the dashboard
Battery charging problems
Reduced electric range
Activation of emergency operation

Causes

Battery current sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in connectors
Problems with the hybrid system control module
Corroded or damaged wiring

How to Fix

Check the continuity of the current sensor circuit
Inspect connectors and contacts for damage
Check the functionality of the current sensor
Scan the control module for additional errors
Replace current sensor if necessary

Related codes

P0AC2 P0AC3 P0AC4