P0731
Read the instructions below then start the fault diagnostic procedure.
Symptom:
| P0731 |
Fault symptoms
CHECK GEARBOX warning lamp on.TCM in Limp-Home mode.
Conditions
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Transmission in 1st gear
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The TCM not in the Limp-home mode.
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The selector lever is in position L, 3, 4 or D
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Fluid temperature over 20°C
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Engine speed over 400 rpm
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The brake pedal is not depressed
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Fault criteria
The gear ratio diverges by more than 3% from the expected value when the vehicle is driven in 1st gear
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