DTC 99

4TH GEAR ACTUATOR CIRCUIT INTERMITTENT FAULT

INFORMATION FLAG PARAMETERS
Information flag 99 is set when there has been a ground/open or short to voltage fault in a 4th actuator circuit for a time less than the time required to set information flags 76 or 77, twice per ignition cycle.

TEST DESCRIPTION
This information flag indicates an intermittent condition. Refer to information flags 76 and 77 for circuits that may have intermittent faults. Also refer to the diagnostic aids for these information flags.
Transmission Controls With PCM
Transmission Controls With PCM