P23E1
EGR C Control Circuit/Open
P23E1 is an OBD-II diagnostic trouble code meaning: EGR C Control Circuit/Open. Common causes: broken or damaged wires in the egr control circuit, egr solenoid valve malfunction. Estimated repair cost: $17–56.
Symptoms
- Check Engine light comes on
- Poor engine performance at idle
- Increased fuel consumption
- Increased emissions of harmful substances
- Reduced engine power
Causes
- Broken or damaged wires in the EGR control circuit
- EGR solenoid valve malfunction
- Poor contact in control circuit connectors
- Engine control unit (ECU) malfunction
- Mechanical failure of the EGR valve
How to Fix
- Check the integrity of wires and connectors in the EGR control circuit
- Check the resistance and operation of the EGR solenoid valve
- Clean or replace EGR valve if necessary
- Check and if necessary replace fuses associated with the EGR circuit
- Scan the control unit for additional errors
Related codes
Error P23E1 by Vehicle Brand
FAQ
What does the P23E1 code mean?
P23E1 is an OBD-II diagnostic trouble code that indicates: EGR C Control Circuit/Open
What causes a P23E1 error code?
The most common causes of P23E1 include: Broken or damaged wires in the EGR control circuit; EGR solenoid valve malfunction; Poor contact in control circuit connectors; Engine control unit (ECU) malfunction.
How do I fix a P23E1 diagnostic trouble code?
To fix P23E1: Check the integrity of wires and connectors in the EGR control circuit. Check the resistance and operation of the EGR solenoid valve. Clean or replace EGR valve if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P23E1?
Yes, but get it checked soon
How much does it cost to fix P23E1?
The estimated repair cost for P23E1 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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