Conditions for Setting 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.
Condition 1
The transmission direction, indicated by both the IMS range and direction switch circuits, are valid but do not match.
Condition 2
- One IMS direction switch circuit has failed.
- The HPCM calculates a transmission direction base upon the remaining IMS direction circuits.
- The calculated HPCM transmission direction does not match the direction indicated by the IMS range switch circuits.
Condition 3
- One IMS direction switch circuit has failed.
- The HPCM calculates a transmission direction based upon the remaining IMS direction circuits.
- The IMS range switch indicated a transitional position.
Condition 4
- One IMS direction switch circuit has failed.
- The HPCM calculates a transmission direction based upon the remaining IMS direction circuits.
- The TCM has indicated at least one IMS range switch circuit has failed.
Condition 5
- More than one IMS direction circuit has failed and the HPCM cannot calculate a transmission direction.
- The IMS range switch indicates a transitional position.
Condition 6
- More than one IMS direction circuit has failed and the HPCM cannot calculate a transmission direction.
- The TCM has indicated at least one IMS range switch circuit has failed.