P1743
Read the instructions below then start the fault diagnostic procedure.
Symptom: CHECK GEARBOX warning lamp is on. TCM in Limp-Home mode.
P1743 |
Fault symptoms
CHECK GEARBOX warning lamp is on.TCM in Limp-Home mode.
Conditions
Engine speed above 4000 rpm.
No gearchanges made
Transmission in lock-up mode
Accelerator position <30%
Fault criteria
TCM registers rapid changes in output shaft speed when the transmission is in lock-up mode or registers that the input speed is more than 100 rpm lower than the engine speed.Diagnostic help
This diagnostic trouble code primarily indicates a mechanical fault in the transmission.