OBD Guide

P2CA3

Charge Air Cooler Coolant Pump Sense Circuit Performance

P2CA3 is an OBD-II diagnostic trouble code meaning: Charge Air Cooler Coolant Pump Sense Circuit Performance. Common causes: intercooler coolant pump malfunction, open or short circuit in control circuit. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

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

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 pump circuit fuse
  2. Diagnose the operation of the coolant pump
  3. Check the integrity of wiring and connectors
  4. Test the pump relay
  5. If necessary, replace the intercooler coolant pump

Related codes

Error P2CA3 by Vehicle Brand

FAQ

What does the P2CA3 code mean?

P2CA3 is an OBD-II diagnostic trouble code that indicates: Charge Air Cooler Coolant Pump Sense Circuit Performance

What causes a P2CA3 error code?

The most common causes of P2CA3 include: Intercooler coolant pump malfunction; Open or short circuit in control circuit; Pump relay problems; Engine control unit malfunction.

How do I fix a P2CA3 diagnostic trouble code?

To fix P2CA3: Check the pump circuit fuse. Diagnose the operation of the coolant pump. Check the integrity of wiring and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2CA3?

Limited driving only, diagnose soon

How much does it cost to fix P2CA3?

The estimated repair cost for P2CA3 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat