P20CE
Exhaust Aftertreatment Fuel Injector A Control Circuit High
P20CE is an OBD-II diagnostic trouble code meaning: Exhaust Aftertreatment Fuel Injector A Control Circuit High. Common causes: short circuit in injector control circuit, malfunction of the fuel injector of the exhaust gas cleaning system. Estimated repair cost: $33–167.
Symptoms
- Check Engine Light Is On
- Engine performance deterioration
- Increased fuel consumption
- Problems with diesel particulate filter regeneration
- Unstable idling
Causes
- Short circuit in injector control circuit
- Malfunction of the fuel injector of the exhaust gas cleaning system
- Wiring harness damage
- Problems with the engine control unit
- Corrosion of electrical contacts
How to Fix
- Check the integrity of the wiring harness to the injector
- Measure the injector resistance
- Check the voltage at the injector connector
- Replace the faulty injector if necessary
- Clean or replace damaged wires
Related codes
Error P20CE by Vehicle Brand
FAQ
What does the P20CE code mean?
P20CE is an OBD-II diagnostic trouble code that indicates: Exhaust Aftertreatment Fuel Injector A Control Circuit High
What causes a P20CE error code?
The most common causes of P20CE include: Short circuit in injector control circuit; Malfunction of the fuel injector of the exhaust gas cleaning system; Wiring harness damage; Problems with the engine control unit.
How do I fix a P20CE diagnostic trouble code?
To fix P20CE: Check the integrity of the wiring harness to the injector. Measure the injector resistance. Check the voltage at the injector connector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P20CE?
Yes, but get it checked soon
How much does it cost to fix P20CE?
The estimated repair cost for P20CE is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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