Conditions for Running the DTC

WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P171A, P171B, P171C, P182E, P1915 or U0101 is not set.
Transmission shift lever is in a forward drive range.
Ignition voltage is between 9-32 V.
Transmission fluid temperature is 0-110°C (32-230°F).
Engine has been in autostop mode for 1.2 s or greater.
Engine speed is 5 RPM or less during an autostop.