Conditions for Running the DTC

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.

P0131

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, P2176 are not set.
The Loop Status parameter is Closed.
The Ignition 1 Signal parameter is between 10-18 volts.
The Fuel Tank Level Remaining parameter is more than 10 percent.
The Throttle Position (TP) Indicated Angle parameter is between 0-50 percent.
The equivalence ratio is between 0.99-1.01.
DTC P0131 runs the lean test continuously when the above conditions are met for 3 seconds.

P0132

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, P2176 are not set.
The Loop Status parameter is Closed.
The Ignition 1 Signal parameter is between 10-18 volts.
The Fuel Tank Level Remaining parameter is more than 10 percent.
The Throttle Position (TP) Sensor parameter is between 0-60 percent.
The equivalence ratio is between 0.99-1.01.
DTC P0132 runs the rich test continuously when the above conditions are met for 3 seconds.

P0137 and P0138

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, P2176 are not set.
The Loop Status parameter is Closed.
The Ignition 1 Signal parameter is between 10-18 volts.
The Fuel Tank Level Remaining parameter is more than 10 percent.
The Power Enrichment parameter is active for more than 3 seconds.
The equivalence ratio is between 0.99-1.01.
These DTCs run the power enrichment test during each occurrence of power enrichment, when the above conditions are met for 3 seconds.