Conditions for Running the DTC
WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
Condition 1
- DTCs P0101, P0102, P0103, P0106, P0107, P0108, P0122, P0123, P0201-P0206, P0222, P0223, P0261, P0262, P0264, P0265, P0267, P0268, P0270, P0271, P0300, P0301-P0306, P0351-P0356, P0506, P0507, P0722, P0723, P1248, P1249, P124A, P124B, P2122, P2123, P2127, P2128, P2135, P2147, P2148, P2150, P2151, P2153, P2154, P2156, or P2157 are not set.
- Engine is running.
- Accelerator pedal position is 0 percent for 4 s.
- Ignition voltage is greater than 11 V.
- Low side fuel pressure is greater than 275 kPa (40 PSI).
- Vehicle speed is less than 1 km/h (0.62 mph).
- The diagnostic runs continuously when the above conditions are met.
Condition 2 and 3
- DTCs P0101, P0102, P0103, P0106, P0107, P0108, P0122, P0123, P0201-P0206, P0222, P0223, P0261, P0262, P0264, P0265, P0267, P0268, P0270, P0271, P0300, P0301-P0306, P0351-P0356, P0506, P0507, P0722, P0723, P1248, P1249, P124A, P124B, P2122, P2123, P2127, P2128, P2135, P2147, P2148, P2150, P2151, P2153, P2154, P2156, or P2157 are not set.
- Ignition voltage is greater than 11 V.
- Low side fuel pressure is greater than 275 kPa (40 PSI).
- Desired fuel rail pressure is between 5-7 MPa (725-1015 PSI).
- Engine speed is between 1200-2400 RPM.
- Vehicle speed is greater than 59.5 km/h (37 mph).
- Accelerator pedal position is greater than 0%.
- The diagnostic runs continuously when the above conditions are met.
Condition 4
- DTCs P0101, P0102, P0103, P0106, P0107, P0108, P0122, P0123, P0201-P0206, P0222, P0223, P0261, P0262, P0264, P0265, P0267, P0268, P0270, P0271, P0300, P0301-P0306, P0351-P0356, P0506, P0507, P0722, P0723, P1248, P1249, P124A, P124B, P2122, P2123, P2127, P2128, P2135, P2147, P2148, P2150, P2151, P2153, P2154, P2156, or P2157 are not set.
- The engine speed is greater than 2000 RPM.
- The vehicle speed is greater than 30 km/h (18.64 mph).
- Barometric pressure is greater than 70 kPa
- Inlet air temperature is greater than -10°C (14°F).
- DTC P0191 runs once an ignition cycle at engine start up when the above conditions have been met.