OBD Guide

P2CC1

Generator Voltage Sense Circuit B

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • Battery charge indicator is on
  • Unstable voltage in the on-board network
  • Low battery
  • Recharging the battery
  • Rough engine operation

Causes

  • Open or short circuit in the voltage control circuit
  • Generator malfunction
  • Poor contact in circuit connectors
  • Wiring harness damage
  • Engine control unit malfunction

How to Fix

  1. Check the integrity of the voltage control circuit
  2. Check the condition of the generator
  3. Clean and check contacts in connectors
  4. Check wiring harness for damage
  5. Check the operation of the engine control unit

Related codes

Error P2CC1 by Vehicle Brand