26 documented codes across 157 real diagnostics.
Underboost/overboost, wastegate and variable-geometry actuators, boost pressure sensing. P0299 (underboost) is the single most common fault code in the whole dataset.
Ranked by how often we actually see them
- P0299, Turbocharger underboost condition
- P2563, Turbocharger boost control position sensor circuit range/performance
- P2263, Turbocharger boost system performance
- P2279, Intake air system leak
- P0234, Turbocharger overboost condition
- P00BC, Mass air flow sensor A circuit range/performance, air flow too low
- P0245, Turbocharger wastegate solenoid A low
- P0238, Turbocharger boost sensor A circuit high
- P0236, Turbocharger boost sensor A circuit range/performance
- P2262, Turbocharger boost pressure not detected, mechanical
- P00BD, Mass air flow sensor A circuit range/performance, air flow too high
- P0243, Turbocharger wastegate solenoid A
- P2562, Turbocharger boost control position sensor circuit
- P0045, Turbocharger boost control solenoid circuit open
- P0033, Turbocharger bypass valve control circuit
- P0049, Turbocharger turbine overspeed
- P226D, not individually documented
- P0047, Turbocharger boost control solenoid circuit low
- P2566, Turbocharger boost control position sensor circuit high
- P0037, O2 sensor heater control circuit low, bank 1 sensor 2
- P0244, Turbocharger wastegate solenoid A range/performance
- P00BE, not individually documented
- P003A, Turbocharger boost control position sensor circuit range/performance
- P0040, O2 sensor signals swapped, bank 1 sensor 1 / bank 2 sensor 1
- P0048, Turbocharger boost control solenoid circuit high
- P2270, O2 sensor signal biased or stuck lean, bank 1 sensor 2