P0743

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.