P0820 is set when 1)gear is engaged at non-neutral positon at engine ON, but clutch signal is not detected. or 2)only neutral signal is detected at above 600RPM or above 80Km/h. for more than 3 sec. This code is due to open, short to battery or ground in neutral gear switch circuit.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Signal monitoring |
•
Nertral gear switch component
•
Nertral gear switch circuit | ||
Enable Conditions |
•
During driving | |||
Threshold Value |
•
Short to battery
•
Short to GND, Wiring open | |||
Diagnostic Time |
•
3.0 sec. | |||
Fail Safe | Fuel Cut | NO | ||
EGR Off | NO | |||
Fuel Limit | NO | |||
Check Lamp | NO | |||
