Conditions for Running the DTCs

P20B9, P20BB, P20BC

• DTC P205B, P205C, P205D, or U010E is not set.
• The engine is running.
• The battery voltage is greater than 11 V.
• The reductant temperature is colder than 60°C (140°F).

The DTCs run continuously when the above conditions are met.

P20BA

• DTC P20B9, P20BB, P20BC, P248A, or U010E is not set.
• The engine is running.
• The battery voltage is greater than 11 V.
• The reductant tank heater is turned on.

The DTC runs continuously when the above conditions are met.

P20BD, P20BF, P20C0

• DTC U010E is not set.
• The engine is running.
• The battery voltage is greater than 11 V.
• The reductant temperature is colder than 60°C (140°F).

The DTCs run continuously when the above conditions are met.

P20BE

• DTC P20BD, P20BF, P20C0, P248C, or U010E is not set.
• The engine is running.
• The battery voltage is greater than 11 V.
• The reductant line heater is turned on.

The DTC runs continuously when the above conditions are met.

P214F, P21DD, P221C, P221D

• The engine is running
• The battery voltage is greater than 11 V
• Reductant tank heater commanded on