P123C
Turbocharger System
P123C is an OBD-II diagnostic trouble code meaning: Turbocharger System . Common causes: worn turbocharger bearings, air leaks in the charging system. Estimated repair cost: $167–889.
Symptoms
- Reduced engine power
- Increased fuel consumption
- Noise or whistle from the turbine area
- Delayed response to the gas pedal
- Smoke from the exhaust system
Causes
- Worn turbocharger bearings
- Air leaks in the charging system
- Bypass valve malfunction
- Turbine contamination or coking
- Problems with oil supply to the turbine
How to Fix
- Check the tightness of the charging system
- Diagnose the condition of the turbocharger
- Check the operation of the bypass valve
- Assess the condition of the turbine oil lines
- If necessary, replace the turbocharger
Related codes
FAQ
What does the P123C code mean?
P123C is an OBD-II diagnostic trouble code that indicates: Turbocharger System
What causes a P123C error code?
The most common causes of P123C include: Worn turbocharger bearings; Air leaks in the charging system; Bypass valve malfunction; Turbine contamination or coking.
How do I fix a P123C diagnostic trouble code?
To fix P123C: Check the tightness of the charging system. Diagnose the condition of the turbocharger. Check the operation of the bypass valve. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P123C?
Limited driving only, diagnose soon
How much does it cost to fix P123C?
The estimated repair cost for P123C is $167–889. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat