Conditions for Running the DTC

WARNING: This page is about a different car, the 2005 GMC Yukon XL, 2005 Chevrolet Suburban, and 2005 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Lean Test Enable

DTCs P0068, P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0128, P0200, P0220, P0442, P0446, P0452, P0453, P0455, P0496, P1125, P1258, P1516, P2101, P2108, P2135, U0107 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 TP Indicated Angle parameter is between 3-70 percent more than the value observed at idle.
The above conditions are met for 2 seconds.
This diagnostic runs continuously when the above conditions are met.

Power Enrichment Test Enable

DTCs P0068, P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0128, P0200, P0220, P0442, P0446, P0452, P0453, P0455, P0496, P1125, P1258, P1516, P2101, P2108, P2135, U0107 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 Engine Run Time parameter is more than 30 seconds.
The Power Enrichment parameter is active for more than 2 seconds.
This diagnostic runs continuously when the above conditions are met.