Conditions for Running the DTC

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

P1876

To TR switch DTC P0705.
No TAP system DTCs P0815, P0816, or P0826.
No TFP DTCs P1810, P1816, or P1818.
No DTC P1877.
No Communication DTC U0100.
The engine speed is greater than 500 RPM for 2 seconds.
The ignition is ON.

P1877

To TR switch DTC P0705.
No TAP system DTCs P0815, P0816, or P0826.
No TFP DTCs P1810, P1816, or P1818.
No DTC P1876.
No Communication DTC U0100.
The engine speed is greater than 500 RPM for 2 seconds.
The ignition is ON.