{"product_id":"mbe906-pld-mr-ecu-000-446-74-40","title":"Mercedes Freightliner Detroit MBE906 PLD-MR Engine ECU 000 446 74 40 Programmed Plug \u0026 Play","description":"\u003ch1 style=\"text-align: center;\"\u003eMBE906 PLD-MR Engine ECU\u003cbr\u003ePart Number: 000 446 74 40\u003c\/h1\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eIn stock and ready to program to your truck.\u003c\/strong\u003e This is the engine-mounted PLD-MR control unit (also called the PLD, MR, or engine-resident control unit) used on Mercedes-Benz \/ Detroit Diesel MBE900-series 6-cylinder engines. We transfer your original module's data into this unit so it matches your engine — no guesswork, no generic programming.\u003c\/p\u003e\n\u003ch3 style=\"text-align: center;\"\u003ePart numbers\u003c\/h3\u003e\n\u003cul style=\"text-align: center;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware part number:\u003c\/strong\u003e 000 446 74 40 (also listed as 0004467440 \/ A0004467440), ZGS 001, manufactured by Temic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetroit designation:\u003c\/strong\u003e PLD-MR D21, Software Release 53, 12\/24 V, 6-cylinder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExample calibration numbers on this hardware:\u003c\/strong\u003e A 061 446 86 40, A 061 446 83 40 (your calibration is transferred from your original unit)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eMatch the part number on your module's label before ordering.\u003c\/strong\u003e The 4-cylinder MBE904 uses a different part number (000 446 78 40), and later units use different part numbers and software.\u003c\/p\u003e\n\u003ch3 style=\"text-align: center;\"\u003eApplications\u003c\/h3\u003e\n\u003cp style=\"text-align: center;\"\u003eMercedes-Benz \/ Detroit Diesel MBE900-series 6-cylinder (MBE906 \/ OM906) engines, including engine model codes 906.981 and 906.929. Commonly found in:\u003c\/p\u003e\n\u003cul style=\"text-align: center;\"\u003e\n\u003cli\u003eFreightliner FL70 and other FL-series trucks\u003c\/li\u003e\n\u003cli\u003eFreightliner Business Class \/ M2\u003c\/li\u003e\n\u003cli\u003eSterling trucks with MBE900 engines\u003c\/li\u003e\n\u003cli\u003eThomas Built buses with MBE900 engines\u003c\/li\u003e\n\u003cli\u003eFire apparatus, municipal, and vocational trucks on these chassis\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"text-align: center;\"\u003eHow it works – plug and play\u003c\/h3\u003e\n\u003col style=\"text-align: center;\"\u003e\n\u003cli\u003ePlace your order and ship us your original PLD-MR (core required).\u003c\/li\u003e\n\u003cli\u003eWe read your original module's memory and transfer your engine's calibration, engine serial number, and parameters into the replacement.\u003c\/li\u003e\n\u003cli\u003eWe verify the transfer and bench-test the unit.\u003c\/li\u003e\n\u003cli\u003eWe ship it back ready to bolt on — built to match your engine, not a generic setup.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp style=\"text-align: center;\"\u003eWe program your engine's \u003cstrong\u003eoriginal factory calibration\u003c\/strong\u003e. No tuning, no emissions modifications.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003eIf your original module is too damaged to read, contact us before ordering — parameters may need to be set with Detroit dealer software.\u003c\/p\u003e\n\u003ch3 style=\"text-align: center;\"\u003eCommon symptoms of a failing PLD-MR\u003c\/h3\u003e\n\u003cul style=\"text-align: center;\"\u003e\n\u003cli\u003eNo throttle response or engine won't rev\u003c\/li\u003e\n\u003cli\u003eNo start, or hard start\u003c\/li\u003e\n\u003cli\u003eWhite smoke from incorrect injection timing\u003c\/li\u003e\n\u003cli\u003eMisfire or dead cylinders\u003c\/li\u003e\n\u003cli\u003eGauges reading wrong — battery voltage low on the dash while actual voltage is normal, oil pressure pegged\u003c\/li\u003e\n\u003cli\u003eMultiple sensor codes coming and going at the same time\u003c\/li\u003e\n\u003cli\u003eLoss of communication between the engine and the cab\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"text-align: center;\"\u003eRelated fault codes\u003c\/h3\u003e\n\u003cul style=\"text-align: center;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eSID 233-12\u003c\/strong\u003e – PLD-MR failed or programmed incorrectly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSID 233-14\u003c\/strong\u003e – Incorrect or misprogrammed PLD-MR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSID 248\u003c\/strong\u003e – PLD-MR \/ DDEC-VCU datalink fault\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePID 102-02\u003c\/strong\u003e – Boost pressure sensor data erratic (when active with 233-12)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePID 168-04\u003c\/strong\u003e – Battery voltage low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSID 21 \/ SID 64\u003c\/strong\u003e – Crankshaft \/ camshaft position sensor faults\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003eThese codes can also come from wiring, sensors, or charging problems. Check power, grounds, harness, and sensors first. A good test: if a known-good PLD-MR clears the problem, the module is the cause.\u003c\/p\u003e\n\u003ch3 style=\"text-align: center;\"\u003eCommon causes of failure\u003c\/h3\u003e\n\u003cul style=\"text-align: center;\"\u003e\n\u003cli\u003eInjector \/ unit-pump driver circuit failures\u003c\/li\u003e\n\u003cli\u003eWater intrusion and internal corrosion\u003c\/li\u003e\n\u003cli\u003eVibration and impact cracking solder joints\u003c\/li\u003e\n\u003cli\u003eInternal power supply faults causing false sensor readings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"text-align: center;\"\u003e \u003c\/h3\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003eMercedes-Benz, Detroit Diesel, Freightliner, Sterling, and Thomas Built are trademarks of their respective owners and are used for fitment identification only. ECU Maverick is not affiliated with these companies.\u003c\/em\u003e\u003c\/p\u003e","brand":"ECU Maverick","offers":[{"title":"Default Title","offer_id":67097345818865,"sku":null,"price":1995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/8361\/0353\/files\/Mercedes_Freightliner_Detroit_MBE906_PLD-MR_Engine_ECU_000_446_74_40_Programmed_Plug_Play.jpg?v=1790611730","url":"https:\/\/ecumaverick.com\/products\/mbe906-pld-mr-ecu-000-446-74-40","provider":"ECU Maverick","version":"1.0","type":"link"}