OBD Guide

P023C

Charge Air Cooler Coolant Pump A Control Circuit High

P023C is an OBD-II diagnostic trouble code meaning: Charge Air Cooler Coolant Pump A Control Circuit High. Common causes: intercooler coolant pump malfunction, open or short circuit in wiring harness. Estimated repair cost: $111–278.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$111–278 (est.)

Symptoms

  • Reduced engine power
  • Engine overheating
  • Check Engine Light Illuminates
  • Increased fuel consumption

Causes

  • Intercooler coolant pump malfunction
  • Open or short circuit in wiring harness
  • Relay or fuse problems
  • ECU malfunction

How to Fix

  1. Check the condition of the intercooler coolant pump
  2. Check the wiring harness for breaks or short circuits.
  3. Check relays and fuses associated with the pump
  4. Replace pump or wiring harness if necessary
  5. Clear the error and check if it returns

Related codes

Error P023C by Vehicle Brand

FAQ

What does the P023C code mean?

P023C is an OBD-II diagnostic trouble code that indicates: Charge Air Cooler Coolant Pump A Control Circuit High

What causes a P023C error code?

The most common causes of P023C include: Intercooler coolant pump malfunction; Open or short circuit in wiring harness; Relay or fuse problems; ECU malfunction.

How do I fix a P023C diagnostic trouble code?

To fix P023C: Check the condition of the intercooler coolant pump. Check the wiring harness for breaks or short circuits.. Check relays and fuses associated with the pump. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P023C?

Limited driving only, diagnose soon

How much does it cost to fix P023C?

The estimated repair cost for P023C is $111–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat