OBD Guide

P2CC3

Generator Voltage Sense Circuit B Low

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Battery charge indicator is on
  • Poor engine starting
  • Flashing headlights when the engine is running
  • Battery low
  • Unstable operation of electrical equipment

Causes

  • Generator malfunction
  • Damage to control circuit wiring
  • Poor contact in connectors
  • Control module malfunction
  • Generator relay problems

How to Fix

  1. Check the generator voltage at idle and under load
  2. Inspect the wiring and connectors of the control circuit
  3. Check the condition of the generator relay
  4. Test the control module
  5. Replace the generator if necessary

Related codes

Error P2CC3 by Vehicle Brand