P23E4
EGR C Control Circuit High
P23E4 is an OBD-II diagnostic trouble code meaning: EGR C Control Circuit High. Common causes: short circuit to positive in the egr control circuit, egr solenoid valve malfunction. Estimated repair cost: $17–89.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Unstable idling
- Increased fuel consumption
- Dips during acceleration
Causes
- Short circuit to positive in the EGR control circuit
- EGR solenoid valve malfunction
- Broken or damaged wiring harness
- Connector problems or contact corrosion
- Malfunction of the engine control unit (rare)
How to Fix
- Check the integrity of the wiring harness and connectors
- Measure EGR valve resistance
- Check control circuit voltage
- Replace faulty EGR valve if necessary
- Reset the error code and check the system
Related codes
Error P23E4 by Vehicle Brand
FAQ
What does the P23E4 code mean?
P23E4 is an OBD-II diagnostic trouble code that indicates: EGR C Control Circuit High
What causes a P23E4 error code?
The most common causes of P23E4 include: Short circuit to positive in the EGR control circuit; EGR solenoid valve malfunction; Broken or damaged wiring harness; Connector problems or contact corrosion.
How do I fix a P23E4 diagnostic trouble code?
To fix P23E4: Check the integrity of the wiring harness and connectors. Measure EGR valve resistance. Check control circuit voltage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P23E4?
Yes, but get it checked soon
How much does it cost to fix P23E4?
The estimated repair cost for P23E4 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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