OBD Guide

P2CAE

Charge Air Cooler Coolant Pump B Control Circuit Low

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Charge air overheating
  • Check Engine Light Illuminates
  • Possible engine detonation

Causes

  • Open or short circuit in the pump circuit
  • Intercooler coolant pump malfunction
  • Pump relay or fuse problems
  • Engine control unit (ECU) malfunction
  • Poor contact in circuit connectors

How to Fix

  1. Check the pump fuse and relay
  2. Check the integrity of the pump control circuit
  3. Check the pump connectors and connections
  4. Check the functionality of the coolant pump
  5. If necessary, replace the pump or repair the chain

Related codes

Error P2CAE by Vehicle Brand