Conditions for Running the DTC: Notes

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

P1831

The engine speed is greater than 500 RPM.
Ignition voltage is between 8-18 volts.
High side driver 2 is enabled.
DTC P1831 has not failed this ignition.