SAAB WIS ONLINE

P0731

Read the instructions below then start the fault diagnostic procedure.

Symptom:

P0731


Gear 1, Faulty Gear Ratio.


Fault symptoms

CHECK GEARBOX warning lamp on.

TCM in Limp-Home mode.

Conditions


Transmission in 1st gear

The TCM not in the Limp-home mode.

The selector lever is in position L, 3, 4 or D

Fluid temperature over 20°C

Engine speed over 400 rpm

The brake pedal is not depressed


Fault criteria

The gear ratio diverges by more than 3% from the expected value when the vehicle is driven in 1st gear