Conditions for Running the DTC

WARNING: This page is about a different car, the 2011 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.

P0131, P0137, P0151, or P0157

DTCs P0068, P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0121, P0122, P0123, P0128, P0201, P0202, P0203, P0204, P0205, P0206, P0207, P0208, P0220, P0222, P0223, P0442, P0443, P0446, P0449, P0455, P0496, P1516, P2101, P2119, P2135, or P2176 are not set.
The engine is operating in Closed Loop.
The Ignition 1 voltage is between 10-18 volts.
The fuel level is greater than 10 percent.
The throttle position (TP) is between 0-50 percent.
The DTCs run continuously when the above conditions are met for 3 seconds.

P0132, P0138, P0152, or P0158

DTCs P0068, P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0121, P0122, P0123, P0128, P0201, P0202, P0203, P0204, P0205, P0206, P0207, P0208, P0220, P0222, P0223, P0442, P0443, P0446, P0449, P0455, P0496, P1516, P2101, P2119, P2135, or P2176 are not set.
The engine is operating in Closed Loop.
The Ignition 1 voltage is between 10-18 volts.
The fuel level is greater than 10 percent.
The throttle position (TP) is between 0-60 percent.
The DTCs run continuously when the above conditions are met for 3 seconds.

DTCs P2A00 or P2A03

DTCs P0068, P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0121, P0122, P0123, P0125, P0128, P0201, P0202, P0203, P0204, P0205, P0206, P0207, P0208, P0220, P0222, P0223, P0442, P0443, P0446, P0449, P0455, P0496, P1516, P2101, P2119, P2135, or P2176 are not set.
The engine run time is greater than 100 seconds.
The engine speed is between 500-5,000 RPM.
The Ignition 1 voltage is between 10-18 volts.
The mass air flow (MAF) sensor is between 3-50 g/s.
The engine coolant temperature (ECT) is greater than 70°C (158°F).
The DTCs run continuously when the above conditions are met for 5 seconds.

DTC P2A01

DTC P2A01 runs a passive test and intrusive test when the following conditions are met.
DTCs P0030, P0036, P0053, P0054, P0068, P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0121, P0122, P0123, P0125, P0128, P0131, P0132, P0133, P0134, P0135, P0137, P0138, P0140, P0141, P0201, P0202, P0203, P0204, P0205, P0206, P0207, P0208, P0220, P0222, P0223, P0442, P0443, P0446, P0449, P0455, P0496, P1133, P1516, P2101, P2119, P2135, P2176, or P2A00 are not set.
Passive Test
- The engine is running.
- The engine run time is less than 260 seconds.
- DTC P2A01 Passive Test runs once per drive cycle when the above conditions are met for 2 seconds.
Intrusive Test
- The Ignition 1 voltage is between 10-18 volts.
- The mass air flow (MAF) sensor is between 0.5-50 g/s.
- The engine speed is between 500-5,000 RPM.
- The vehicle speed is between 24-145 km/h (20-80 mph).
- The short term fuel trim is between +5 and -5 percent.
- DTC P2A01 Intrusive Test runs once per drive cycle when the above conditions are met for 1 second.