P0731

Test 1 Through 3:

Test 4 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
TRANSMISSION INTERNAL PROBLEM
INTERMITTENT GEAR RATIO ERRORS