[FONT=Verdana]P1743 64

[FONT=Verdana]Lock-up. Mechanical Fault.[/FONT]
[FONT=Verdana]Fault symptom[/FONT]
[FONT=Verdana]Message appears in display.[/FONT]
[FONT=Verdana]On-board diagnosis[/FONT]
[FONT=Verdana]Type of diagnosis:[/FONT]

[FONT=Verdana]Enable criteria:[/FONT]
Engine running and not in limp home mode.
The following diagnostic trouble codes may not be generated:
Gearbox Input RPM
Output speed.
Gear selector position sensor
Gearbox Fluid Temperature Sensor
Battery Voltage. Too High.
Solenoid SLT
Engine RPM
Wheel speed fault
Pedal Position Sensor
Engine Torque
Solenoid S1
Solenoid S2
Solenoid S3
Solenoid S4
Solenoid S5

[FONT=Verdana]Fault criteria:[/FONT]
TCM registers rapid speed changes on the output shaft or TCM registers a difference greater than 100 rpm between input shaft speed and engine rpm.

[FONT=Verdana]System reaction to a fault:[/FONT]
Excluded Lock-Up function.
Poor shifting quality.

Procedure to DIAG:

  • Oil level

  • Oil grade

Check that the sensors for input shaft speed and output shaft speed are correctly mounted on the gearbox

Remove component:
Speed sensor, input shaft, gearbox
Speed sensor, output shaft, gearbox
Check that the sensors for incoming rpm and outgoing rpm are free from dirt and are undamaged.

IF all check out OK then you will be needing a Transmission.