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
- No IMS direction switch DTCs are set.
- A valid IMS direction indicated by the IMS switch does not match the direction indicated by the HPCM software.
Condition 2
- No IMS direction switch DTCs are set.
- Two valid IMS directions are indicated at the same time.
Condition 3
- One IMS direction switch circuit has failed.
- The HPCM calculates a transmission direction based upon the remaining IMS circuits but it does not match the direction indicated by the HPCM software.
Condition 4
- One IMS direction switch circuit has failed.
- Based upon the remaining IMS circuits the HPCM calculated two directions at the same time.
Condition 5
More than one IMS direction circuit has failed and the HPCM cannot calculate a transmission direction.