Action Taken When the DTC Sets: P0847
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.
- The TCM requests the ECM to illuminate the MIL.
- When in a forward range and shifting is completed, the transmission will shift to another forward range, unless the transmission is compromised by over-speeding or direction change, then the transmission will shift to NEUTRAL
- While diagnostic response is active, if shift selector is moved to neutral, the transmission will shift to neutral. If the transmission is shifted to reverse (R), the transmission will shift to REVERSE. If the shift selector is moved to a forward range or reverse and transmission is compromised by over-speeding or direction change, transmission shifts to neutral.
- DTC P0847 is stored in TCM history.
- The TCM freezes shift adapts.
- The TCM inhibits TCC engagement.