DTC P0493 (2) GMC Envoy II

The cooling fan RPM is greater than 6,800 RPM.

Action Taken When the DTC Sets

DTC P0483

1. The PCM illuminates the malfunction indicator lamp (MIL) during the second consecutive trip in which the diagnostic test has been run and failed.
2. The PCM will store the conditions as Freeze Frame/Failure Records data.
3. The PCM commands the cooling fan clutch to 100 percent.

DTC P0493

1. The Reduced Engine Power indicator illuminates.
2. The PCM will store the conditions as Freeze Frame/Failure Records data.