OBD Guide

P2CAF

Charge Air Cooler Coolant Pump B Control Circuit High

P2CAF is an OBD-II diagnostic trouble code meaning: Charge Air Cooler Coolant Pump B Control Circuit High. Common causes: intercooler coolant pump malfunction, open or short circuit in control circuit. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Check Engine Light Is On
  • Engine overheating
  • Unstable operation at idle

Causes

  • Intercooler coolant pump malfunction
  • Open or short circuit in control circuit
  • Pump relay problems
  • Engine control unit malfunction
  • Poor contact in connectors

How to Fix

  1. Check the operation of the intercooler coolant pump
  2. Inspect the control circuit for damage
  3. Check relays and fuses
  4. Test the engine control unit
  5. Clean contacts in connectors

Related codes

Error P2CAF by Vehicle Brand

FAQ

What does the P2CAF code mean?

P2CAF is an OBD-II diagnostic trouble code that indicates: Charge Air Cooler Coolant Pump B Control Circuit High

What causes a P2CAF error code?

The most common causes of P2CAF include: Intercooler coolant pump malfunction; Open or short circuit in control circuit; Pump relay problems; Engine control unit malfunction.

How do I fix a P2CAF diagnostic trouble code?

To fix P2CAF: Check the operation of the intercooler coolant pump. Inspect the control circuit for damage. Check relays and fuses. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2CAF?

Limited driving only, diagnose soon

How much does it cost to fix P2CAF?

The estimated repair cost for P2CAF is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat