April 5, 2026: LEMON Manuals is launched! Read the announcement.

Code Enable Criteria

Engine speed is more than 500 RPM for 5 seconds and not in fuel shutoff.
Transmission is not in PARK or NEUTRAL.
Time since last range change is more than 6 seconds.
No output shaft speed rise greater than 250 RPM in 2 seconds.
DTCs P0502 and P1810 are not set.

DTC sets when output shaft speed drops greater than 1500 RPM in 3 seconds.