OBD-II code · Powertrain (generic)
P00AF Turbocharger/Supercharger Boost Control A Module Performance
Turbocharger/Supercharger Boost Control A Module Performance: the component is electrically intact but its response does not match the command. This affects turbo/supercharger boost-pressure control.
Is it safe to drive with P00AF?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyBoost control module internal fault
- Less likelyModule software outdated, reflash may resolve
- Less likelySupply voltage outside specification
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–5 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Boost Control Module
Related codes
- P00B0Turbocharger/Supercharger Boost Control B Module Performance
- P00ACIntake Air Temperature Sensor 1 Circuit Low Bank 2
- P00ADIntake Air Temperature Sensor 1 Circuit High Bank 2
- P00AEIntake Air Temperature Sensor 1 Circuit Intermittent Bank 2
- P00B1Radiator Coolant Temperature Sensor Circuit
- P00B2Radiator Coolant Temperature Sensor Circuit Range/Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.