OBD Guide

P2CA2

Charge Air Cooler Coolant Pump Sense Circuit Low

P2CA2 is an OBD-II diagnostic trouble code meaning: Charge Air Cooler Coolant Pump Sense Circuit Low. Common causes: intercooler coolant pump sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Charge air overheating
  • Check engine light comes on
  • Unstable engine operation at high speeds

Causes

  • Intercooler coolant pump sensor malfunction
  • Open or short circuit in the sensor circuit
  • Intercooler coolant pump malfunction
  • Problems with the engine control unit
  • Corrosion of contacts or connectors

How to Fix

  1. Check the continuity of the pump sensor circuit
  2. Check the functionality of the coolant pump
  3. Replace pump sensor if necessary
  4. Check and replace wiring harness if necessary
  5. Reset the error code and check if it appears again

Related codes

Error P2CA2 by Vehicle Brand

FAQ

What does the P2CA2 code mean?

P2CA2 is an OBD-II diagnostic trouble code that indicates: Charge Air Cooler Coolant Pump Sense Circuit Low

What causes a P2CA2 error code?

The most common causes of P2CA2 include: Intercooler coolant pump sensor malfunction; Open or short circuit in the sensor circuit; Intercooler coolant pump malfunction; Problems with the engine control unit.

How do I fix a P2CA2 diagnostic trouble code?

To fix P2CA2: Check the continuity of the pump sensor circuit. Check the functionality of the coolant pump. Replace pump sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2CA2?

Yes, but get it checked soon

How much does it cost to fix P2CA2?

The estimated repair cost for P2CA2 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat