92 GETTING TO KNOW YOUR INSTRUMENT PANEL Diesel Exhaust Fluid (DEF) Warning Messages ously display when the counter reaches zero, and will be accompanied by a periodic chime. limited to a maximum speed of 5mph (8km/h) if the DEF system is not serviced within less than 200miles (322km) of the fault being detected. There are four different messages which are displayed if the vehicle detects that the DEF system has been filled with a fluid other than DEF, has experienced component failures, or when tampering has been detected. The vehicle may be limited to a maximum speed of 5mph (8km/h) if the DEF system is not serviced within less than 200miles (322km) of the fault being detected.
The vehicle will only be capable of a maximum speed of 5mph upon the first of the following conditions to occur: When the DEF system needs to be serviced the following warnings will display: If the vehicle is shutoff and restarted. If the vehicle is idled for an extended period of time, approximately one hour or greater. Service DEF System See Dealer — This message will display when the fault is initially detected, each time the vehicle is started, and periodically during driving. The message will be accompa nied by a single chime. We recommend you drive to the nearest authorized dealer and have your vehicle serviced as soon as possible.
When the DEF system needs to be serviced the following warnings will display: If the system detects that the level of fuel in the tank has increased. DEF Low Refill Soon — This message will display when the low level is reached, during vehicle start up, and with increased frequency during vehicle operation. It will be accompanied by a single chime. Approximately 5 gallons (19 Liters) of DEF is required to refill the tank when this message is initially displayed on pickup applica tions, and approximately 7 gallons (26 Liters) are required on chassis-cab applications.
Add a minimum of 2 gallons (7.5 Liters) of DEF to the tank in order to avoid vehicle operation at a maximum speed of 5mph (8km/h). 5 MPH Max Speed in 150mi Service DEF System See Dealer — This message will display if the DEF system has not been serviced after the “Service DEF System – See Dealer” message is displayed. This message will contin uously display until the mileage counter reaches zero, and will be accompanied by a periodic chime. The message will continue to countdown until it reaches zero unless the vehicle is serviced. We recommend you drive to your nearest authorized dealer and have your vehicle serviced immediately. NOTE:
A minimum of 2 gallons (7.5 Liters) may be required to restore normal vehicle operation. Although the vehicle will start normally and can be placed in gear after this message has been initially displayed, extreme caution should be utilized since the vehicle will only be capable of maneuvering at a maximum speed of 5mph (8km/h). Diesel Exhaust Fluid (DEF) Fault Warning Messages Speed Limited to 5 MPH in XXX mi Refill DEF — This message will continuously display if the “DEF Low Refill Soon” message is ignored, and the frequency of occurrence of the chime will increase unless up to 2 gallons (7.5 Liters) of DEF is added to the tank.
There are five different messages which are displayed if the vehicle detects that the DEF system has been filled with a fluid other than DEF, has experienced component failures, or when tampering has been detected. The vehicle may be NOTE: Under some circumstances this mileage counter may start with a value of less than 150miles (241km). For example, if recurring faults are detected in a time interval of less than 40 hours, the counter may restart at the value where it 5 MPH Max Speed on Restart, Long Idle or Refuel Refill DEF — This message will continu