Conditions for Running
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
The following conditions must be met in order to enable the scan tool Reductant System Malfunction Warning Service Bay Test:
- Battery voltage is greater than 11 V.
- No DTCs are set.
- Vehicle speed is 0 km/h (MPH).
- Engine coolant temperature (ECT) sensor is between 60-100°C (140-212°F).
- Barometric pressure is greater than 70 kPa (10. 2 PSI).
- Ambient air temperature is greater than -30°C (-22°F).
- Reductant temperature is greater than -7°C (19°F) and not frozen.
- Reductant level must be greater than 33 %.
- Fuel temperature is less than 80°C (176°F).
- Engine is running.
- Brake pedal and accelerator pedal are in the released position.
- Clutch pedal (if equipped) is in the released position.
- Transmission is in Park or Neutral.
- Diesel particulate filter (DPF) regeneration is not active.
- Fuel tank is not empty.