Conditions for Running the DTC

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

C0161 00, C0161 04 or C127D

The ignition is ON.
The ignition voltage is greater than 10 volts.
The brake pedal is applied.

C0161 0E

Ignition ON.
The vehicle speed is greater than 15 km/h (9 mph).
The ignition voltage is greater than 10 volts.
The accelerator pedal position is greater than 20 percent.