OBD Guide

P23E2

EGR C Control Circuit Performance

P23E2 is an OBD-II diagnostic trouble code meaning: EGR C Control Circuit Performance. Common causes: bank c egr valve malfunction, open or short circuit in control circuit. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Unstable engine idling
  • Increased fuel consumption
  • Dips during acceleration

Causes

  • Bank C EGR valve malfunction
  • Open or short circuit in control circuit
  • Problems with power or grounding of the circuit
  • Mechanical blockage of the EGR system
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the integrity of the EGR valve control circuit
  2. Check the resistance and operation of the EGR valve
  3. Clean or replace EGR valve if necessary
  4. Check circuit power and grounding
  5. If necessary, replace the engine control unit

Related codes

Error P23E2 by Vehicle Brand

FAQ

What does the P23E2 code mean?

P23E2 is an OBD-II diagnostic trouble code that indicates: EGR C Control Circuit Performance

What causes a P23E2 error code?

The most common causes of P23E2 include: Bank C EGR valve malfunction; Open or short circuit in control circuit; Problems with power or grounding of the circuit; Mechanical blockage of the EGR system.

How do I fix a P23E2 diagnostic trouble code?

To fix P23E2: Check the integrity of the EGR valve control circuit. Check the resistance and operation of the EGR valve. Clean or replace EGR valve if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P23E2?

Yes, but get it checked soon

How much does it cost to fix P23E2?

The estimated repair cost for P23E2 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat