Conditions for Setting the DTC

P2066

• The ECM does not detect a change in the secondary fuel level of at least 3 liters (0.79 gallon) over a distance of 100 km (62 mi).
• The ECM detects that the primary fuel tank is less than 28 liters (7.3 gallons) and the secondary fuel tank is more than 4 liters (1 gallon) and the condition is present for 30 minutes.
• The ECM detects that the primary fuel tank is greater than 28 liters (7.3 gallons) and the secondary fuel tank is less than 4 liters (1 gallon) over a distance of 175 km (108 mi).

P2636 

The ECM detects that the primary fuel tank is less than 28 liters (7.3 gallons) and the secondary fuel tank is more than 4 liters (1 gallon) and the condition is present for 30 minutes.