P0731
Symptom: P0731-GEAR RATIO ERROR IN 1STWhen Monitored and Set Condition:
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.
POSSIBLE CAUSES
- RELATED DTC's PRESENT
- INTERNAL TRANSMISSION
- INTERMITTENT GEAR RATIO ERRORS