OBD Guide

P2E6D

Hybrid/EV Battery Pack A Cell Thickness Sensor Circuit High

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–278 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced power or efficiency of the hybrid system
  • Battery error messages on the dashboard
  • The car may go into emergency mode
  • Low battery power or problems with charging it

Causes

  • Open or short circuit in the sensor circuit
  • Malfunction of the battery cell thickness sensor
  • Problems with connectors or contact corrosion
  • Battery management module (BMS) malfunction
  • Damage to the wiring harness near the battery

How to Fix

  1. Diagnose the sensor circuit using a multimeter
  2. Check the condition of the sensor connectors and contacts
  3. Replace the faulty element thickness sensor
  4. Check and, if necessary, replace damaged wires
  5. Test or reflash the battery management module

Related codes

Error P2E6D by Vehicle Brand