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P0743

Read the instructions below then start the fault diagnostic procedure.

Symptom: No Lock-up function or Lock-up function defective.

P0743


Solenoid Lock-Up. Short to Ground.

Solenoid Lock-Up. Open Circuit / Short to B+.


Fault symptoms

No Lock-up function or Lock-up function defective.

Conditions

Shorting to ground

Shorting to B+/Open circuit.

Diagnostic help

The status of the Lock-up solenoid can be ascertained with the diagnostics instrument.

Select " Data Display / Output Control (New)"

select " Solenoid Lock Up (SL)"

Lock-up is activated (ON) in third and fourth gear.

The Lock-up solenoid can be activated with the diagnostics instrument.


- Activate “ Solenoid Lock Up"