Fuel/Diesel Exhaust Fluid (DEF) Gauge, EPA10 and Newer

4900 dm 03.02.003

The fuel and DEF levels are measured in a dual purpose fuel/DEF gauge. See Fig..

  1. Diesel Fuel Level Indicator

  2. DEF Symbol

  3. DEF Level Indicator

  4. Low DEF Warning Lamp (activates below 10% DEF)

  5. Low Fuel Warning Lamp (activates at 1/8 tank of fuel)

Fig. 1, Fuel/DEF Gauge, EPA10 and Newer Vehicles

The diesel fuel level is indicated at the top of the gauge, with a low-fuel warning lamp that illuminates when the diesel fuel level registers 1/8th of capacity.

The DEF level is indicated in the lightbar on the lower portion of the gauge. There is a low DEF level warning lamp that illuminates amber when the DEF level reaches 10% of capacity. See  for details of the DEF gauge functions.

Note:
Parent topic: Standard Instruments
Document Number: 0000122236
Manual Publication Date: 2024-06-10
Topic Publication Date: 2024-06-10