Conditions for Running the DTC

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

P0815 or P0816

No DTC P0826.
No DTCs P1825 or P1915.
The engine speed is between 500-7,500 RPM for at least 5 seconds.
The time since the last gear selector range change is greater than 6 seconds.

P1876

The following DTCs are not Fault Active or Test Fail this Key ON:
- DTC U0100
- DTCs P0815, P0816, or P0826
- DTCs P1825 or P1915
Ignition voltage is 8.6-19.0 volts.
Engine speed is 500-6,500 RPM for at least 5 seconds.