VOLVO
ECM-P003A17 - Turbocharger/Supercharger Boost Control A Position Exceeded Learning Limit. General Electrical Failures. Circuit voltage above threshold
System
Engine Control Module (ECM)
Volvo models this fault code applies to
Applies to the following models:
2 modelsS80 (2007–), V70 (2008–)
Show models by year and engine (2)
What does this fault code mean?
The signal from the turbo position sensor is too high compared with how much the turbo is being commanded, according to the engine control module. The code relates to electrical faults and is checked while the engine is running.
Possible causes
- A vacuum hose that leaks air
- The turbo control valve sticks
- The turbo control valve is broken
- The turbo position sensor is broken
What you can do
- 1Read the fault code with a diagnostic tool while the engine runs and check whether it is active
- 2Look at the vacuum hoses to the turbo control valve for cracks or wear
- 3Check that the fuses for the turbo control are intact. Their location is in the instruction manual
- 4Check the connector at the turbo position sensor and make sure it is fully seated
- 5With a multimeter, check whether the position sensor wire has a short to supply voltage or an open circuit
- 6Have a workshop with diagnostic equipment check the turbo control valve and whether the position sensor needs replacing
Symptoms you may notice2
- The Check engine (malfunction indicator) lamp lights up
- Warning lamps or warning chimes may also come on
General guidance for car owners. Diagnosis on the car can point to a different cause.