Conditions for Running the DTC
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
P041C
- The engine is running for 30 seconds or longer.
- The engine coolant temperature is 60°C (140°F) or warmer.
- The engine is not in regeneration.
- This DTC runs continuously when the above conditions are met.
- The EGR valve is open more than 4 percent.
P041D
- The engine is running for 30 seconds or longer.
- The engine coolant temperature is 60°C (140°F) or warmer.
- This DTC runs continuously when the above conditions are met.
- The EGR valve is open more than 4 percent.