DEF systems have built-in heaters to keep the fluid in liquid form because it can freeze, damaging DEP pumps and injectors, but Mother Nature has a way of beating the best laid plans of mice and diesel engineers. Poor designs, build quality, and temperamental weather also take their toll. (Read the fine print on your warranty documents and you’ll find these shops are justified in this practice.)īut it’s not only poor quality DEF that causes problems. Automakers expect these facilities to have chemical test strips on hand to determine the quality of DEF in their products. Dealership service departments routinely charge their clients for time spent on tracing a warning light down to contaminated DEF even when these vehicles are still within the time and distance limits of their warranty.
#Service def system see dealer drivers
We covered the risks of using poor quality DEF fluid in earlier columns and provided warnings to drivers regarding the costs of diagnosing check engine lights that are caused by this fluid when it contains anything more than trace amounts of hydrocarbons. This bulletin is supplied as technical information only and is not an authorization for repair.This advertisement has not loaded yet, but your article continues below. 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 continuously 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. Service DEF System Engine Will Not Start In 400 Miles - See Dealer There are three different messages if the vehicle detects that the DEF system has been filled with a fluid other than DEF, component failures, or tampering has been detected. The vehicle will not start if the DEF system is not serviced within 500 miles (805 km) of the fault being detected. This message will continuously display when the counter reaches zero, and will be accompanied by a periodic chime. The engine will not start after it has been turned off unless up to 2.5 gallons (9.5 Liters) of DEF is added to the tank.Ī minimum of up to 2.5 gallons (9.5 Liters) may be required to restart the engine. Although the vehicle will continue to operate while this warning message is initially displayed, the engine will not restart the next time the vehicle is shut off.ĭiesel Exhaust Fluid (DEF) Fault Warning Messages - Chassis Cab Only UNDERSTANDING YOUR INSTRUMENT PANEL THIS ADDENDUM UPDATES INFORMATION ABOUT ELECTRONIC VEHICLE INFORMATION CENTER IN SECTION 3 OF YOUR OWNER'S MANUAL SUPPLEMENTĭiesel Exhaust Fluid (DEF) Warning Messages - Chassis Cab Only PLEASE KEEP THIS INFORMATION WITH YOUR CHASSIS CAB USER GUIDE IN YOUR OWNER INFORMATION PACKET
POLICY: Reimbursable within the provisions of the warranty. 1. Remove the Diesel Exhaust Fluid mirror tag TIPS card from the mirror and discard it.Ģ. Hang a new Diesel Exhaust Fluid mirror tag TIPS card (p/n 53041156AE) onto the mirror.
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