Fault Conditions

P1624

CHECK ENGINE. Request (Bus From TCM).







Fault symptoms
^ Automatic transmission not shifting gear.
^ CHECK ENGINE.
^ CHECK GEARBOX.

On-Board Diagnostics

Type of diagnosis:
^ Continuous. But interrupted when fault criteria fulfilled and will not restart until next driving cycle.

Enable criteria:
^ General conditions for this trouble code: When starting the engine, the atmospheric pressure must exceed 78 kPa and the engine coolant and intake air temperatures must exceed -7 degree C.
^ Engine running.

Fault criteria:
^ TCM requesting CHECK ENGINE.

Dependents:
^ None.

System reaction to a fault:
^ None.

OK report:
^ When TCM no longer requesting CHECK ENGINE.

Fault handling: (For more information refer to "Fault diagnosis, general". Description of On-Board Diagnostics)

^ CHECK ENGINE goes out and trouble code cleared immediately when TCM no longer requests CHECK ENGINE.

Diagnostic help
Perform fault diagnosis on the automatic transmission.