OBD Guide

P2CA1

Charge Air Cooler Coolant Pump Sense Circuit High

P2CA1 is an OBD-II diagnostic trouble code meaning: Charge Air Cooler Coolant Pump Sense Circuit High. Common causes: intercooler cooling pump sensor malfunction, open or short circuit in wiring. 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
  • Engine overheating
  • Check engine light comes on
  • Unstable operation at idle

Causes

  • Intercooler cooling pump sensor malfunction
  • Open or short circuit in wiring
  • Pump relay problems
  • Malfunction of the cooling pump itself
  • Low coolant level

How to Fix

  1. Check coolant level
  2. Inspect wiring and connections for damage
  3. Check the functionality of the cooling pump
  4. Test the pump sensor and relay
  5. If necessary, replace faulty components

Related codes

Error P2CA1 by Vehicle Brand

FAQ

What does the P2CA1 code mean?

P2CA1 is an OBD-II diagnostic trouble code that indicates: Charge Air Cooler Coolant Pump Sense Circuit High

What causes a P2CA1 error code?

The most common causes of P2CA1 include: Intercooler cooling pump sensor malfunction; Open or short circuit in wiring; Pump relay problems; Malfunction of the cooling pump itself.

How do I fix a P2CA1 diagnostic trouble code?

To fix P2CA1: Check coolant level. Inspect wiring and connections for damage. Check the functionality of the cooling pump. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2CA1?

Yes, but get it checked soon

How much does it cost to fix P2CA1?

The estimated repair cost for P2CA1 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat