{"product_id":"mercedes-7g-tronic-722-9-tcu-repair","title":"Mercedes 7G-Tronic 722.9 TCU Repair – Conductor Plate VGS2 \/ VGS3","description":"\u003cp\u003e\u003cstrong\u003eWhat you are buying:\u003c\/strong\u003e bench repair of your own Mercedes-Benz 7G-Tronic 722.9 transmission control unit (conductor plate, VGS2 \/ VGS3). Your original unit is tested, repaired and returned, so its software, coding and data stay matched to the car – no programming needed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e12-month warranty · Tracked UK return included · No VAT added · Written test report with every unit · Not faulty? You only pay the £45 test\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eTypical symptoms\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGearbox in limp mode, stuck in 2nd or 3rd gear\u003c\/li\u003e\n\u003cli\u003eNo gear changes, harsh, jerky or delayed shifts\u003c\/li\u003e\n\u003cli\u003eNo response when selecting D or R, or loss of drive\u003c\/li\u003e\n\u003cli\u003eFlashing gear indicator or gearbox fault message on the cluster\u003c\/li\u003e\n\u003cli\u003eFault returns after clearing, often when the gearbox is warm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFault codes seen on these units\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eCode\u003c\/th\u003e\n\u003cth\u003eMeaning\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eP0715 \/ P0716\u003c\/td\u003e\n\u003ctd\u003eInput \/ turbine speed sensor circuit – malfunction, range or no signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eP0717 \/ 2204\u003c\/td\u003e\n\u003ctd\u003eTurbine speed sensor Y3\/8n1 – no signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eP0718 \/ 2205\u003c\/td\u003e\n\u003ctd\u003eTurbine speed sensor Y3\/8n1 – intermittent \/ defective\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eP0719\u003c\/td\u003e\n\u003ctd\u003eTorque converter brake switch circuit low\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eP0720 – P0723\u003c\/td\u003e\n\u003ctd\u003eOutput speed sensor – malfunction, range, no signal, intermittent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eP2766 \/ P2767 \/ P2768 \/ 2201\u003c\/td\u003e\n\u003ctd\u003eInternal speed sensor Y3\/8n2 – range, no signal, defective\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eP0705\u003c\/td\u003e\n\u003ctd\u003eTransmission range sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eA fault code alone does not prove the unit has failed: low or old fluid, a leaking connector sleeve or wiring can produce the same codes. Check these first – different codes or none at all? Send them on WhatsApp before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhich cars use this unit\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eChassis (years)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC-Class\u003c\/td\u003e\n\u003ctd\u003eW203 (2000–2008), W204 (2007–2015)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eE-Class\u003c\/td\u003e\n\u003ctd\u003eW211 (2002–2010), W212 (2009–2017)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS-Class \/ CL\u003c\/td\u003e\n\u003ctd\u003eW221 (2005–2013), W216 (2006–2014)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCLK \/ CLS\u003c\/td\u003e\n\u003ctd\u003eW209 (2002–2010), W219 (2004–2010)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eML \/ GL\u003c\/td\u003e\n\u003ctd\u003eW164 (2005–2011), W166 (2011–2015), X164 (2006–2012), X166 (2012–2015)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR-Class\u003c\/td\u003e\n\u003ctd\u003eW251 (2005–2013)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSL \/ SLK\u003c\/td\u003e\n\u003ctd\u003eR230 (2001–2012), R171 (2004–2011), R172 (2011–2016)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSprinter \/ Viano\u003c\/td\u003e\n\u003ctd\u003eSprinter 2nd gen (2006–2018), Viano W639 (2003–2014)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eFitted only where the car has the 722.9 7G-Tronic gearbox. Conductor plates include VGS2 A0335457332 and VGS3 A0034460310 – the label on your unit decides, so send us a photo first.\u003c\/p\u003e\n\u003ch2\u003eCheck before you send it\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck fluid level and condition and the connector sleeve on the gearbox for leaks.\u003c\/li\u003e\n\u003cli\u003eRead and save all fault codes and include them with the order.\u003c\/li\u003e\n\u003cli\u003eRemove the conductor plate with the ignition off, drain it and seal it in an anti-static bag. Do not bend the plate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat happens on the bench\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003e\n\u003cb\u003eIntake\u003c\/b\u003e – photos, label, plate and sensor condition, signs of previous repair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTest\u003c\/b\u003e – power-up, communication and sensor checks; fault confirmed before any work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRepair\u003c\/b\u003e – the confirmed fault is repaired.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFinal test and report\u003c\/b\u003e – the unit is checked again and you get a written report with the warranty seal number.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003ePrice and payment\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBench test \u0026amp; quote\u003c\/th\u003e\n\u003ctd style=\"white-space:nowrap\"\u003e\u003cstrong\u003e£45\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDeducted from the repair if you go ahead.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConductor plate repair\u003c\/th\u003e\n\u003ctd style=\"white-space:nowrap\"\u003e\u003cstrong\u003e£249\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSpeed sensor and internal faults confirmed on the bench.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSevere damage\u003c\/th\u003e\n\u003ctd style=\"white-space:nowrap\"\u003e\u003cstrong\u003eQuoted\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBurnt or physically damaged plates – written quote after the test.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eEvery price includes the test, final check, report and tracked UK return. If the unit cannot be repaired, you are refunded the price less the £45 bench test. No VAT added – we are not VAT registered. \u003ca href=\"\/pages\/warranty-terms\"\u003e12-month warranty\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eAfter fitting\u003c\/h2\u003e\u003cp\u003eRefit with fresh fluid and a new connector sleeve seal, then reset the adaptations and road test. Your garage can do this, or book it at our Mansfield workshop.\u003c\/p\u003e\n\u003ch2\u003eHow to order\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eOrder and fill in the unit details – part number, VIN and fault codes.\u003c\/li\u003e\n\u003cli\u003ePost the unit using our \u003ca href=\"\/pages\/packing-instructions\"\u003epacking instructions\u003c\/a\u003e, or drop it at the lab in Rainworth by appointment.\u003c\/li\u003e\n\u003cli\u003eWe test, repair and return it with the report – turnaround is confirmed when the unit arrives.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eQuestions\u003c\/h2\u003e\n\u003cp\u003e\u003cb\u003eWill my car need coding after the repair?\u003c\/b\u003e No – your own unit goes back with its software and data, so normally only the adaptation reset after refitting is needed.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eIs it the unit or the gearbox?\u003c\/b\u003e The bench test answers that. If the plate tests healthy, you only pay the £45 test and get the report to show your garage.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWill the warning light go out?\u003c\/b\u003e Once the repaired unit is fitted, codes are cleared and adaptations reset, the light should stay off – if a code returns, the report helps your garage find the cause.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCan you fit it?\u003c\/b\u003e Yes, by appointment at our Mansfield workshop.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eNot sure of your part number?\u003c\/b\u003e Send a photo of the label on WhatsApp before you order.\u003c\/p\u003e","brand":"T-Tronic Lab","offers":[{"title":"Bench test \u0026 quote – deducted from repair","offer_id":60136687599941,"sku":null,"price":45.0,"currency_code":"GBP","in_stock":true},{"title":"Repair your 7G-Tronic TCU (VGS2 \/ VGS3)","offer_id":60136687632709,"sku":null,"price":249.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/9333\/4853\/files\/dsg7.webp?v=1793106475","url":"https:\/\/t-tronic.co.uk\/products\/mercedes-7g-tronic-722-9-tcu-repair","provider":"T-Tronic Lab","version":"1.0","type":"link"}