P0717

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK GEARBOX warning lamp is on. TCM in Limp-Home mode.

P0717

Fault symptoms

CHECK GEARBOX warning lamp is on.

TCM in Limp-Home mode.

Conditions

Signal from output shaft speed sensor present.

Fault criteria

No signal from input shaft speed sensor.

System reaction to a fault

The control module uses the signal from the output shaft to calculate the input shaft speed.

Diagnostic help

A reading of the input speed can be obtained with the diagnostics instrument.

-	Select " Data Display / Output Control (New)" and “ Gearbox Input RPM”.

With the selector lever in position P or N, the diagnostics instrument should show the same rpm as indicated on the tachometer.

Check the wiring

Jiggle the wiring harness at several points and in different directions to reveal intermittent breaks and short circuits in the various leads. Observe the multimeter, test lamp or diagnostic instrument while carrying out this check.