OBD Guide

P0CE2

Hybrid/EV Battery Pack Coolant Control Valve A Control Circuit Low

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–94 (est.)

Symptoms

  • Malfunction indicator light comes on
  • Reduced hybrid system efficiency
  • Deterioration in fuel consumption
  • Engine power limitation
  • Battery compartment overheating

Causes

  • Open circuit in valve control circuit
  • Short circuit to ground
  • Cooling solenoid valve malfunction
  • Problems with connectors or wiring harness
  • Malfunction of the hybrid system control unit

How to Fix

  1. Check valve control circuit integrity
  2. Check the resistance and operation of the solenoid valve
  3. Inspect connectors and wiring harness for damage
  4. Check power and ground circuit
  5. If necessary, replace the battery cooling valve

Related codes

Error P0CE2 by Vehicle Brand