P2E72

Hybrid/EV Battery Pack B Cell Thickness Sensor Circuit Low

Severity

🔴 High

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$39–133 (est.)

Symptoms

Check Engine light comes on
Reduced performance of the hybrid system
Reducing the range of an electric vehicle
Incorrect battery status readings
Switching to emergency operation

Causes

Battery cell thickness sensor malfunction
Broken or damaged wires in the sensor circuit
Poor contact in the sensor connector
Short circuit to ground in the sensor circuit
Battery management module malfunction

How to Fix

Check the continuity of the element thickness sensor circuit
Inspect connectors and connections for corrosion or damage.
Check the operation of the element thickness sensor
Diagnose the battery control module
Replace a faulty sensor or repair damaged wiring

Related codes

P2E70 P2E71 P2E73