OBD Guide

P0C75

Hybrid/EV Battery System Discharge Time Too Short

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–889 (est.)

Symptoms

  • Reduced electric vehicle range
  • Low Battery Warning
  • Hybrid system power reduction
  • Extended charging time
  • Unstable operation of the hybrid system

Causes

  • Degradation of high-voltage battery cells
  • Problems with the Battery Management System (BMS)
  • Malfunction of cell balancing circuits
  • Current leaks in a high voltage system
  • Problems with the regenerative braking system

How to Fix

  1. Diagnosis of high-voltage battery condition
  2. Checking the Battery Management System (BMS)
  3. Testing Cell Balancing Circuits
  4. Checking the high voltage system for leaks
  5. Hybrid System Software Update

Related codes

Error P0C75 by Vehicle Brand