Diagnostic Aids
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.
P0842
- You may have to drive the vehicle in order to experience a condition.
- This DTC may indicate that SS1 is mechanically defective.
- When DTCs P0752 and P0842 are set in combination, this may indicate a grounded circuit condition on the pressure switch circuit or the shift valve 1 is stuck in the stroked position.
P0847
- You may have to drive the vehicle in order to experience a condition.
- This DTC may indicate that SS2 is mechanically defective.
- When DTCs P0757 and P0847 are set in combination, this may indicate an open circuit condition on the pressure switch circuit or the shift valve 2 is stuck in the stroked position.
P0872
- You may have to drive the vehicle in order to experience a condition.
- This DTC may indicate that SS3 is mechanically defective.
- When DTCs P0762 and P0872 are set in combination, this may indicate an grounded circuit condition on the pressure switch circuit or the shift valve 3 is stuck in the stroked position.