"Check Trans" Indicator Is Flashing
Perform Preliminary Inspection First!
When the "CHECK TRANS" indicator is flashing, it indicates that a problem related to the transmission, the Powertrain Control Module ([1][2]PCM), or the vehicle harness has occurred:
The system is now operating in a "BACKUP MODE" where the risk of further damaging the transmission has been reduced.
The vehicle may be shifted manually. If the initial problem is intermittent or seldom, switching OFF/ON the engine might allow normal operation again until the problem re-occurs.