P004E
Turbocharger/Supercharger Boost Control A Circuit Intermittent/Erratic
P004E is an OBD-II diagnostic trouble code meaning: Turbocharger/Supercharger Boost Control A Circuit Intermittent/Erratic. Common causes: open or damaged control circuit wiring harness, turbine control solenoid malfunction. Estimated repair cost: $56–222.
Symptoms
- Reduced engine power
- Unstable operation of the turbocharger/supercharger
- Dips during acceleration
- Increased fuel consumption
Causes
- Open or damaged control circuit wiring harness
- Turbine control solenoid malfunction
- Mechanical damage to the turbocharger/supercharger
- Boost pressure sensor malfunction
- ECU problems
How to Fix
- Check the control circuit wiring harness for breaks or damage.
- Check the resistance and operation of the turbine control solenoid
- Inspect the turbocharger/supercharger for mechanical damage
- Check boost pressure sensor
- If necessary, replace faulty components
Related codes
Error P004E by Vehicle Brand
FAQ
What does the P004E code mean?
P004E is an OBD-II diagnostic trouble code that indicates: Turbocharger/Supercharger Boost Control A Circuit Intermittent/Erratic
What causes a P004E error code?
The most common causes of P004E include: Open or damaged control circuit wiring harness; Turbine control solenoid malfunction; Mechanical damage to the turbocharger/supercharger; Boost pressure sensor malfunction.
How do I fix a P004E diagnostic trouble code?
To fix P004E: Check the control circuit wiring harness for breaks or damage.. Check the resistance and operation of the turbine control solenoid. Inspect the turbocharger/supercharger for mechanical damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P004E?
Limited driving only, diagnose soon
How much does it cost to fix P004E?
The estimated repair cost for P004E is $56–222. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat