{"product_id":"29538373-genuine-allison®-transmission-push-button-shift-selector-wtec-iii","title":"29538373 | Genuine Allison® Transmission Push Button Shift Selector WTEC III","description":"\u003cp\u003e\u003cstrong\u003eDescription:\u003cbr\u003e\u003c\/strong\u003eA Push Button Shift Selector \u003cstrong\u003e29538373 \u003c\/strong\u003eis an electronic device used in vehicles with automatic transmissions—especially heavy-duty vehicles like trucks and buses—to select transmission modes (like Drive, Reverse, Neutral, etc.) using buttons instead of a mechanical shift lever. Transmission Push Button Shift Selector WTEC III\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e: 29538373\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003cspan\u003e: New\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eManufacture\/Brand\u003c\/strong\u003e\u003cspan\u003e: Allison\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eFits 29538373 \u003c\/strong\u003eFor \u003cbr\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOshkosh military trucks\u003c\/strong\u003e using Allison HD4560 transmissions\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHEMTT (Heavy Expanded Mobility Tactical Truck)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eM1083, M1084, M1085, M1086, M1087, M1088, M1089, M1090, M1091, M1095, M1096\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eOther \u003cstrong\u003e5-ton and 7-ton military trucks\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMRAP vehicles\u003c\/strong\u003e equipped with Allison HD4560\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHD4060 \/ HD4560 Allison transmissions\u003c\/strong\u003e generally\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003ePurpose of using 29538373:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003ch4\u003e1. Ease of Use\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eNo manual shifter to move—just press a button to select \u003cstrong\u003eDrive\u003c\/strong\u003e, \u003cstrong\u003eNeutral\u003c\/strong\u003e, or \u003cstrong\u003eReverse\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEspecially useful for \u003cstrong\u003efleet drivers\u003c\/strong\u003e, \u003cstrong\u003ebus operators\u003c\/strong\u003e, or \u003cstrong\u003einexperienced drivers\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e2. Reduced Driver Fatigue\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eRequires less effort and physical movement than a lever or column shifter.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImproves ergonomics in large vehicles where the cabin layout may vary.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e3. More Accurate Gear Selection\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eButtons prevent \u003cstrong\u003emis-shifting\u003c\/strong\u003e, which can happen with manual or mechanical selectors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGear selection is done through digital signals, reducing human error.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e4. Electronic Integration\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWorks with the vehicle’s \u003cstrong\u003eelectronic transmission control system (TCM)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan be integrated with other systems:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eBrake interlocks (must press brake before shifting to Drive)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEngine control systems (to reduce load on the engine when shifting)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e5. Space Saving\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eNo bulky shift levers—just a compact button panel.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFrees up \u003cstrong\u003edashboard or console space\u003c\/strong\u003e in tight cabs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e6. Fewer Mechanical Parts\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eNo cables or linkages that can stretch, break, or require adjustment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImproves \u003cstrong\u003elong-term reliability\u003c\/strong\u003e and reduces maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e7. Safety Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSome systems prevent shifting into \u003cstrong\u003eReverse or Park\u003c\/strong\u003e unless the vehicle is at a stop.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProtects the transmission from damage caused by accidental or incorrect shifts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSigns of a Bad Transmission Push Button Shift Selector 29538373\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003ch4\u003e1. Won’t Shift into Gear\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePressing buttons does nothing—no response from the transmission.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVehicle stuck in \u003cstrong\u003eNeutral\u003c\/strong\u003e, \u003cstrong\u003eDrive\u003c\/strong\u003e, or \u003cstrong\u003ePark\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e2. Incorrect Gear Selection\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePressing \"Drive\" might shift into \"Neutral\" or nothing at all.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSelector lights up the wrong gear or none at all.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e3. No Lights \/ Display Malfunction\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eGear indicator lights \u003cstrong\u003edon’t illuminate\u003c\/strong\u003e or flicker.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLED screen (if present) is blank, dim, or shows error messages (like “--” or “S” for service mode).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e4. Delayed Response\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eNoticeable delay between pressing a button and the gear change happening.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEspecially dangerous when needing quick shifts, like from \u003cstrong\u003eReverse to Drive\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e5. Intermittent Operation\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSometimes it works fine, other times it doesn't—can indicate failing \u003cstrong\u003eelectrical contacts\u003c\/strong\u003e, \u003cstrong\u003ecorroded wiring\u003c\/strong\u003e, or a \u003cstrong\u003edying selector unit\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e6. Error Codes from TCM\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDiagnostic scan reveals \u003cstrong\u003etransmission-related fault codes\u003c\/strong\u003e like:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eP0705\u003c\/strong\u003e – Transmission Range Sensor Circuit Malfunction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eP0880\u003c\/strong\u003e – TCM Power Input Signal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAllison-specific codes like \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, or \u003cstrong\u003eS\u003c\/strong\u003e on the selector screen.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e7. Locked in Limp Mode\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eTransmission goes into \u003cstrong\u003e\"limp mode\"\u003c\/strong\u003e (only 1st or 3rd gear available) to protect itself.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOften caused by selector, wiring, or TCM communication issues.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e8. No Communication with TCM\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSelector may fail to send signals to the Transmission Control Module (TCM).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCould be due to internal failure, power loss, or wiring fault.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAbout the Manufacturer – \u003c\/strong\u003e\u003cstrong\u003eAllison:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAllison Transmission\u003c\/strong\u003e is a world-leading manufacturer of automatic transmissions and hybrid propulsion systems, primarily used in commercial-duty vehicles. Founded in 1915 and headquartered in Indianapolis, Indiana, Allison is known for producing durable, fully automatic transmissions for trucks, buses, military vehicles, construction equipment, and energy sector applications.\u003c\/p\u003e","brand":"Allison","offers":[{"title":"Default Title","offer_id":51202023424247,"sku":"29538373","price":1149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/7080\/3959\/files\/s-l1200_1_f0ad7aba-49f8-425d-8892-dba5c3bc0597.jpg?v=1790113271","url":"https:\/\/forcetruckparts.com\/products\/29538373-genuine-allison%c2%ae-transmission-push-button-shift-selector-wtec-iii","provider":"Force Truck Parts","version":"1.0","type":"link"}