Conditions for Running the DTC
WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
C0235
The ignition is ON.
C0236 and C0237
- The ignition is ON.
- The vehicle speed is greater than 32 km/h (20 mph) when the brake is applied or 19 km/h (12 mph) when the brake is released.
P1504
- The ignition is ON.
- The vehicle is not moving.