OBD Guide

P2D9C

Starter/Generator Phase V Current Circuit Intermittent/Erratic

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Unstable generator operation
  • Battery charging problems
  • Flashing charge lamp on the dashboard
  • Difficulty starting the engine
  • Reduced power of electrical equipment

Causes

  • Damage to wiring or connectors
  • Generator malfunction
  • Poor contact in phase V circuit
  • Problems with the generator control module
  • Short circuit in the circuit

How to Fix

  1. Check the condition of the wiring and connectors
  2. Check contacts in phase V circuit
  3. Test the generator on the stand
  4. Check generator control module
  5. Replace faulty components

Related codes

Error P2D9C by Vehicle Brand