Inhibited Operation

REASONS THAT THE ENHANCED TRACTION SYSTEM (ETS) WILL BE INHIBITED OR DISABLED.

Inhibited Defined: Not all modes of ETS are available. i.e.: no spark retard, but transmission upshifts are still available.

Disabled Defined: No ETS modes are available.

NOTE: Some of the items that can inhibit or disable ETS are:

^ ETS OFF switch is in the OFF position. (Disabled)

^ Electronic Brake Control Module (EBCM) senses a valid brake switch input. (Disabled)

^ Park brake is engaged. (Disabled)

^ Catalytic converter temperature rises above the normal operating range. (Inhibited)

^ Engine coolant temperature is not within normal operating range. (Inhibited)

^ Manifold air temperature is not within normal operating range. (Inhibited)

^ Powertrain Control Module (PCM) sets a Diagnostic Trouble Code (DTC) that turns on the CHECK ENGINE lamp. (Inhibited or Disabled)

^ PCM sets a Failure Record that does NOT turn on the CHECK ENGINE lamp. (Inhibited or Disabled)

^ EBCM sets a DTC C1221, C1222, C1223, C1224, C1225, C1226, C1227, C1228, C1232, C1233, C1234, and/or C1235 (any wheel speed sensor DTC). (Disabled)