Conditions for Running the DTC

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

P0658

The engine speed is greater than 500 RPM for 5 seconds.
Ignition voltage is 8.6 volts or greater.
High side driver 1 is enabled.
DTC P0658 has not set this ignition.

P0659

DTC P0659 has not set this ignition.
Ignition voltage is 8.6 volts or greater.
Ignition switch transitions from OFF to run position.