Circuit/System Verification

Verify the scan tool Body Control Module Push Button Ignition Switch parameter changes between Active and Inactive when pressing and releasing the S38 Vehicle On/Off Switch.
- If the parameter does not change
  Refer to Vehicle Will Not Change Power Mode .
- If the parameter changes
Verify that remote vehicle start is enabled through vehicle personalization.
- If remote vehicle start is not enabled through vehicle personalization
  Use vehicle personalization to turn on remote vehicle start functionality. Refer to the vehicle owners manual.
- If remote vehicle start is enabled
Verify that the keyless entry functions operate with all available keyless entry transmitters.
- If the keyless entry functions do not operate properly
  Refer to Keyless Entry System Malfunction .
- If the keyless entry functions operate properly
Verify none of the following conditions exist on the vehicle:
- A current vehicle DTC that illuminates the malfunction indicator lamp (MIL)
- The vehicle is in valet mode
- More than two remote starts have been attempted
- The hazard switch is in the ON position
- A current hazard switch DTC is set
- The vehicle hood is ajar
- A current hood ajar DTC is set
- The content theft deterrent system detects an alarm trigger
- Accelerator pedal position greater than 0 percent
- Vehicle not in park
- Immobilizer malfunction
- A current automatic transmission shift lock control system DTC is set
- A vehicle speed sensor signal is detected by the ECM
- The vehicle power moding is being controlled by a backup device
- If any of the conditions are present
  Refer to the appropriate subsection in which the failure occurred.
- If none of the conditions are present
All OK.