Conditions for Running the DTC

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

Engine ON for at least 5 s.
System voltage is 8.5-18.0 V.
DTC P0641 is not set.
DTC C0401 03 and DTC C401 08 run continuously.
DTC C0401 07 runs at key ON provided there has been an engine off period of at least 10 minutes prior to the key ON.