OBD Guide

P0A7E

Hybrid/EV Battery Pack A Over Temperature

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

Symptoms

  • Reduced vehicle power
  • Battery overheat warning on dashboard
  • Limitation of operation in electric mode
  • Extended charging time
  • The car goes into emergency mode

Causes

  • Battery cooling system malfunction
  • Clogged air filter or radiator
  • Faulty battery temperature sensors
  • Damage or wear to the battery cells
  • Intensive use in hot conditions

How to Fix

  1. Check the coolant level and condition of the cooling system
  2. Clean or replace the air filter and radiator
  3. Check the functionality of temperature sensors
  4. Diagnostics of the condition of battery cells
  5. Check the operation of the battery cooling fans

Related codes

Error P0A7E by Vehicle Brand