PACCAR 579, 567 — Diesel Particulate Filter (DPF) Warning Lamp

CONTROLS - Guide to the Warning Symbols based on the differential effect (mostly to the forward rear differential). (This feature is standard on all tandem axles). Illuminates when Truck Dump gate is open. NOTE Dump Truck, Trailer Body Up Tractors/Trucks and trailers built after 03/01/2001 must be able to turn on an In-Cab Trailer ABS Warning Lamp (per U.S. FMVSS121). The industry chose Power Line Communication (PLC) as the standard method to turn it on. On trailers built prior to 03/01/2001 verify trailer ABS system status via the re- quired external warning lamp mounted on the trailer. The indicator lamp on the trailer should be yellow and identi- fied with the letters ABS.

3 NOTE Tractors/Trucks and trailers built after 03/01/2001 must be able to turn on an In-Cab Trailer ABS Warning Lamp (per U.S. FMVSS121). The industry chose Power Line Communication (PLC) as the standard method to turn it on. On trailers built prior to 03/01/2001 verify trailer ABS system status via the re- quired external warning lamp mounted on the trailer. The indicator lamp on the trailer should be yellow and identi- fied with the letters ABS. Illuminates when Trailer Dump body is up. Diesel Particulate Filter (DPF) Warning Lamp This warning symbol will appear when the DPF needs to be regenerated and then also during the regeneration cycle.

This icon may also appear if the system is attempting to automatically regenerate while the vehicle is in Power Take Off operation mode. Related concepts Differential, Inter Axle Lock Dump Truck, Body Up Illuminates when the inter-axle differential switch is ON thus locking the inter-axle differential. This powers the forward rear and the rear rear differentials equally. When the switch is turned off (inter-axle differential unlocked) the engine power is allowed to flow to any of the four drive tires Illuminates when Truck Dump Body is up. Engine aftertreatment system includes a diesel particulate filter and DPF warning lamp. Dump Truck, Gate 80 Y53-6047-2HEN (03/18)