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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.


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 tool. Select " Data Display / Output Control (New)" and " 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”