OBD Guide

P2CAD

Charge Air Cooler Coolant Pump B Control Circuit/Open

P2CAD is an OBD-II diagnostic trouble code meaning: Charge Air Cooler Coolant Pump B Control Circuit/Open. Common causes: broken wiring in the pump control circuit, pump relay fault. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

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

Causes

  • Broken wiring in the pump control circuit
  • Pump relay fault
  • Damage to the coolant pump itself
  • Problems with the engine control unit
  • Short circuit in the circuit

How to Fix

  1. Check the integrity of wiring and connections in the control circuit
  2. Check the functionality of the pump relay
  3. Test the coolant pump itself
  4. Check the condition of the fuses
  5. If necessary, replace the pump or relay

Related codes

Error P2CAD by Vehicle Brand

FAQ

What does the P2CAD code mean?

P2CAD is an OBD-II diagnostic trouble code that indicates: Charge Air Cooler Coolant Pump B Control Circuit/Open

What causes a P2CAD error code?

The most common causes of P2CAD include: Broken wiring in the pump control circuit; Pump relay fault; Damage to the coolant pump itself; Problems with the engine control unit.

How do I fix a P2CAD diagnostic trouble code?

To fix P2CAD: Check the integrity of wiring and connections in the control circuit. Check the functionality of the pump relay. Test the coolant pump itself. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2CAD?

Yes, but get it checked soon

How much does it cost to fix P2CAD?

The estimated repair cost for P2CAD is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat