P1743 64 (TCM - Trans Control Module)

P1743 64

Lock-up. Mechanical Fault.







Fault symptom
Messages shown in SID.

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.