FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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TCM - (Transmission Control Module)



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".