OBD Guide

P0A8F

14 Volt Power Module System Performance

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–556 (est.)

Symptoms

  • Check Engine Light Is On
  • Problems with electrical equipment operation
  • Reduced performance of the hybrid system
  • Intermittent operation of auxiliary systems
  • Errors in other electronic systems

Causes

  • 14V power module malfunction
  • Problems with wiring to the module
  • Short circuit in the circuit
  • Module grounding problems
  • Malfunction of the main control unit of the hybrid system

How to Fix

  1. Check the voltage at the module output
  2. Inspect the module wiring and connectors
  3. Check the integrity of the fuses
  4. Test module grounding
  5. If necessary, replace the 14 V power module

Related codes

Error P0A8F by Vehicle Brand