P0731

Test 1 Through 2:

Test 3 Through 5:

Symptom:
P0731-GEAR RATIO ERROR IN 1ST

When Monitored and Set Condition:
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.

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