OBD Guide

P2CAE

Charge Air Cooler Coolant Pump B Control Circuit Low

P2CAE is an OBD-II diagnostic trouble code meaning: Charge Air Cooler Coolant Pump B Control Circuit Low. Common causes: open or short circuit in the pump circuit, intercooler coolant pump malfunction. Estimated repair cost: $56–167.

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

FAQ

What does the P2CAE code mean?

P2CAE is an OBD-II diagnostic trouble code that indicates: Charge Air Cooler Coolant Pump B Control Circuit Low

What causes a P2CAE error code?

The most common causes of P2CAE include: Open or short circuit in the pump circuit; Intercooler coolant pump malfunction; Pump relay or fuse problems; Engine control unit (ECU) malfunction.

How do I fix a P2CAE diagnostic trouble code?

To fix P2CAE: Check the pump fuse and relay. Check the integrity of the pump control circuit. Check the pump connectors and connections. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2CAE?

Yes, but get it checked soon

How much does it cost to fix P2CAE?

The estimated repair cost for P2CAE is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat