P0ABF

Hybrid/EV Battery Pack Current Sensor A Circuit

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

The Check Engine light comes on
Reduced vehicle power
Switching to emergency mode
Incorrect battery level display
Problems with charging a high-voltage battery

Causes

Faulty high voltage battery current sensor
Open or short circuit in the sensor circuit
Corrosion or poor contact in electrical connectors
Damage to the wiring harness near the battery
Internal fault in the hybrid system control module

How to Fix

Carry out diagnostics using a scanner capable of working with hybrid systems
Visually check the integrity of the wiring harness and current sensor connectors
Check the operating parameters of the current sensor (values, supply voltage, grounding)
If necessary, replace the faulty current sensor
Clear error codes and test drive to check

Related codes

P0AC0 P0AC1 P0AA6