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TCM / P1743 64

Read the instructions below then start the fault diagnostic procedure.

Symptom: Message appears in display.

  P1743 64


Lock-up. Mechanical Fault.

Fault symptom

Message appears in display.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

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

Fault criteria:

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.

System reaction to a fault:

Excluded Lock-Up function.
Poor shifting quality.

Diagnostic help

Diagnosis regards:

Locating a mechanical fault.