P1624

Read the instructions below then start the fault diagnostic procedure.

Symptom: Automatic transmission not shifting gear. CHECK ENGINE. CHECK GEARBOX.

P1624

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 -7C.

-	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, see .)

-	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.