Conditions for Running the DTC: P1915

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

No OSS DTCs P0722 or P0723 and are not Fault Active or Test Fail this Key ON.
The transmission output shaft speed is less than 90 RPM or less.
The ignition voltage is between 6.0 volts and 18.0 volts.