P0731

Test 1:

Test 2-5:

SYMPTOM
P0731-GEAR RATIO ERROR IN 1ST

WHEN MONITORED
The transmission gear ratio is monitored continuously while the transmission is in gear.

SET CONDITION
If the ratio of the Input RPM to the Output RPM does not match the current gear ratio. This DTC can take up to five minutes of problem identification before illuminating the MIL.

POSSIBLE CAUSES
- RELATED DTC'S PRESENT
- INTERNAL TRANSMISSION
- INTERMITTENT GEAR RATIO ERRORS