Conditions for Running the DTC
P1391
- The engine has been running for greater than 10 seconds.
- The vehicle speed is less than 5 km/h (3.1 mph).
OR
- The engine has been running for greater than 10 seconds.
- The vehicle speed is between 30-70 km/h (19-43 mph).
- The DTC runs continuously when the above conditions are met.
P1392 and P1393
- The engine has been running for greater than 10 seconds.
- The DTCs run continuously when the above condition is met.