P2BE4

Hybrid/EV Battery Pack Current Sensor C Circuit

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Reduced vehicle power
Problems charging the hybrid battery
The car goes into emergency mode
Unstable operation of the power plant

Causes

Open or short circuit in the current sensor circuit
Malfunction of the current sensor itself
Problems with the sensor connector or contacts
Wiring harness damage
Malfunction of the hybrid system control module

How to Fix

Check the continuity of the current sensor circuit
Check sensor connections and connectors
Check sensor resistance and voltage
Replace faulty current sensor if necessary
Check and reflash the hybrid system control module

Related codes

P2BE1 P2BE2 P2BE3 P2BE5