DTC P0171 Cadillac

Description

DTCs P0101, P0102, P0103, P0106, P0107, P0108, P0201-P0208, P0300, P0301-P0308, P0442, P0443, P0446, P0449, P0452, P0453, P0455, P0496, P0506, P0507, P2227, P2228, P2229 are not set. The engine is in Closed Loop status. The Catalyst Monitor Intrusive Diagnosis Test, Post O2 Diagnosis Intrusive Test, Device Control, and EVAP Diagnosis tank pull down are Not Active. The engine coolant temperature (ECT) is between -40 and +150°C (-40 and +302°F). The intake air temperature (IAT) is between -20 and +150°C (-4 and +302°F). The manifold absolute pressure (MAP) is between 10-255 kPa (1.45-37 psi). The vehicle speed is less than 134 km h (83 mph). The engine speed is between 375-7,000 RPM. The mass air flow (MAF) is between 1-510 g s. The barometric pressure (BARO) is more than 70 kPa (10.2 psi). The fuel level is more than 10 percent. This diagnostic runs continuously when the above conditions have been met.