OBD Guide

P0CA6

Hybrid/EV Battery Charging Current High

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$167–889 (est.)

Symptoms

  • Hybrid system power reduction
  • Extended battery charging time
  • Battery compartment overheating
  • The "Check Hybrid System" light comes on.
  • Automatic limitation of electric motor operation

Causes

  • Charger fault (OBC)
  • Problems with power inverters
  • Degradation of high-voltage battery cells
  • Faulty current sensors
  • Problems with the battery cooling system

How to Fix

  1. Diagnostics of the charging system using a scanner
  2. Checking the condition of the high-voltage battery
  3. Testing the charger operation
  4. Checking the battery cooling system
  5. Replacing faulty components

Related codes

Error P0CA6 by Vehicle Brand