{"product_id":"vw-transporter-t5-glow-plug-control-unit-relay-038907281b","title":"VW Transporter T5 Glow Plug Control Unit Relay 038907281B","description":"\u003cp\u003e#102\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eGenuine used Volkswagen Transporter T5 glow plug control unit \/ glow plug relay, part number 038907281B. This module forms part of the diesel pre-heating system and controls electrical power supplied to the engine glow plugs during cold starting and warm-up operation.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003ePart Number: 038907281B\u003c\/p\u003e\u003cp\u003eVW OE Number: 038 907 281 B\u003c\/p\u003e\u003cp\u003ePart Type: Glow Plug Control Unit \/ Glow Plug Relay \/ Pre-Heating Control Module\u003c\/p\u003e\u003cp\u003eVoltage: 12V\u003c\/p\u003e\u003cp\u003eElectrical Connection: Common aftermarket equivalents list a 9-pin configuration\u003c\/p\u003e\u003cp\u003eManufacturer: Volkswagen \/ VAG\u003c\/p\u003e\u003cp\u003eCondition: Genuine used part\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCompatibility\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eSuitable for selected Volkswagen Transporter T5 diesel applications using the matching glow plug control system.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCatalogues list 038907281B for Volkswagen Transporter T5 applications, including later T5 \/ Campmobile production, while the same OE number is also used across numerous Audi, SEAT, Škoda and Volkswagen diesel vehicles.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eBecause VW used different glow plug modules depending on engine, production date and glow plug system, compatibility should be confirmed primarily by matching:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* 038907281B\u003c\/p\u003e\u003cp\u003e* Electrical connector\u003c\/p\u003e\u003cp\u003e* Pin configuration\u003c\/p\u003e\u003cp\u003e* Engine code\u003c\/p\u003e\u003cp\u003e* Original module specification\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eTechnical Information\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe glow plug control module is responsible for regulating the high-current electrical supply to the diesel engine glow plugs.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eIts functions can include:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Activating the glow plugs before engine start\u003c\/p\u003e\u003cp\u003e* Controlling glow duration\u003c\/p\u003e\u003cp\u003e* Providing after-glow following engine start\u003c\/p\u003e\u003cp\u003e* Regulating glow operation according to engine temperature\u003c\/p\u003e\u003cp\u003e* Responding to commands from the engine ECU\u003c\/p\u003e\u003cp\u003e* Monitoring the glow plug electrical circuit\u003c\/p\u003e\u003cp\u003e* Supporting smoother cold starts\u003c\/p\u003e\u003cp\u003e* Helping reduce cold-start smoke and emissions\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe module receives control information from the engine-management system and switches the required electrical current to the glow plugs.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDiesel Pre-Heating System Information\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDiesel engines rely on compression heat for combustion, but when the engine is cold the glow plugs provide additional heat inside the combustion chambers.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe glow plug control module determines when and for how long the plugs should operate.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDepending on coolant temperature and engine-management strategy, glow plugs may continue operating for a short period after the engine starts.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThis after-glow function can help:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Improve cold idle quality\u003c\/p\u003e\u003cp\u003e* Reduce diesel knock when cold\u003c\/p\u003e\u003cp\u003e* Reduce white smoke\u003c\/p\u003e\u003cp\u003e* Improve combustion stability\u003c\/p\u003e\u003cp\u003e* Reduce cold-start emissions\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCommon Symptoms of a Faulty Glow Plug Control Unit\u003c\/p\u003e\u003cbr\u003e\u003cp\u003ePossible symptoms include:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Difficult cold starting\u003c\/p\u003e\u003cp\u003e* Extended cranking when cold\u003c\/p\u003e\u003cp\u003e* Glow plug warning light\u003c\/p\u003e\u003cp\u003e* Engine-management warning light\u003c\/p\u003e\u003cp\u003e* White smoke after cold start\u003c\/p\u003e\u003cp\u003e* Rough running immediately after starting\u003c\/p\u003e\u003cp\u003e* Glow plugs receiving no power\u003c\/p\u003e\u003cp\u003e* Glow plugs staying permanently energised\u003c\/p\u003e\u003cp\u003e* Stored glow plug circuit fault codes\u003c\/p\u003e\u003cp\u003e* Several glow plug faults appearing simultaneously\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eIf several glow plugs show electrical faults at the same time, the control module or its power supply should be checked before replacing all glow plugs.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eImportant Diagnostic Information\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eBefore replacing the control module, check:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Glow plug condition\u003c\/p\u003e\u003cp\u003e* Glow plug resistance\u003c\/p\u003e\u003cp\u003e* Main power supply\u003c\/p\u003e\u003cp\u003e* Module earth connection\u003c\/p\u003e\u003cp\u003e* Relevant fuses\u003c\/p\u003e\u003cp\u003e* Wiring between module and glow plugs\u003c\/p\u003e\u003cp\u003e* Electrical connector condition\u003c\/p\u003e\u003cp\u003e* Battery voltage\u003c\/p\u003e\u003cp\u003e* Engine ECU fault codes\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eA failed glow plug can produce symptoms similar to a failed control module.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eLikewise, damaged wiring or a poor high-current connection can prevent the module from supplying sufficient current even when the module itself is functioning correctly.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eElectrical Testing\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eA diagnostic scan can help identify faults within the glow plug system.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDepending on engine-management system, fault codes may indicate:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Individual glow plug circuit faults\u003c\/p\u003e\u003cp\u003e* Open circuit\u003c\/p\u003e\u003cp\u003e* Short to ground\u003c\/p\u003e\u003cp\u003e* Short to positive\u003c\/p\u003e\u003cp\u003e* Glow plug control module fault\u003c\/p\u003e\u003cp\u003e* Communication or activation problems\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eElectrical testing should be carried out using appropriate equipment because the glow plug system operates at relatively high current.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eInstallation\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eInstallation is normally straightforward once the original module has been located.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eBefore replacement:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Switch the ignition off\u003c\/p\u003e\u003cp\u003e* Disconnect the battery where required by workshop procedure\u003c\/p\u003e\u003cp\u003e* Check the connector for corrosion or overheating\u003c\/p\u003e\u003cp\u003e* Inspect wiring for damaged insulation\u003c\/p\u003e\u003cp\u003e* Confirm the OE number on the original unit\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAfter installation, clear stored fault codes where appropriate and test the vehicle from cold.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eProgramming \/ Coding\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eProgramming or coding is normally not required when replacing the glow plug control module with the correct matching specification.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe module generally operates according to commands received from the engine ECU.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDiagnostic fault codes may need to be cleared after replacement.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eImportant Compatibility Note\u003c\/p\u003e\u003cbr\u003e\u003cp\u003ePlease compare before ordering:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* OE number – 038907281B\u003c\/p\u003e\u003cp\u003e* Connector shape\u003c\/p\u003e\u003cp\u003e* Number of electrical pins\u003c\/p\u003e\u003cp\u003e* Mounting arrangement\u003c\/p\u003e\u003cp\u003e* Engine code\u003c\/p\u003e\u003cp\u003e* Vehicle production date\u003c\/p\u003e\u003cp\u003e* Original module markings\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAftermarket cross-reference data lists 038907281B as a 12V glow plug control module and shows several replacement references, but these cross-references should not be taken to mean every diesel engine uses exactly the same control strategy.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDo not order purely by vehicle model, engine capacity or year.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCondition\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eGenuine Volkswagen used electrical component.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe unit may show normal signs of previous use including light marks, dirt, scratches or signs of removal\/storage.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003ePlease inspect the listing photographs carefully for the exact condition, connector and identification numbers supplied.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAny identifying colour\/security markings applied to the part must remain intact in the event of a return.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eIdeal genuine replacement for a faulty, damaged or non-operating VW Transporter T5 diesel glow plug control unit \/ relay, provided the original 038907281B part number and connector specification match.\u003c\/p\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eTerminal Type:\u003c\/strong\u003e Plug\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEngine Details:\u003c\/strong\u003e 1968cc 103KW 140HP\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Vehicle Make:\u003c\/strong\u003e VW\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEngine Code:\u003c\/strong\u003e CFFBD\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Model:\u003c\/strong\u003e Passat B7 Estate\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGearbox Code:\u003c\/strong\u003e PBF\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePaint Code:\u003c\/strong\u003e Deep Black LC9X\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Chassis:\u003c\/strong\u003e 3C\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e Easy Installation\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModel Years:\u003c\/strong\u003e 2010-2014\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Part:\u003c\/strong\u003e No\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Plug-In\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSeller Warranty:\u003c\/strong\u003e 3 Months\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Make:\u003c\/strong\u003e Volkswagen\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 038907281B\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGrade:\u003c\/strong\u003e A\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReference OE\/OEM Number:\u003c\/strong\u003e 038907281B\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e VW (Genuine OE)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Relay\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEAN:\u003c\/strong\u003e 038907281B\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e Transporter\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eClassic Part:\u003c\/strong\u003e No\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Year:\u003c\/strong\u003e 2013\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United Kingdom\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Vehicle Model:\u003c\/strong\u003e Transporter\u003c\/p\u003e\n\u003c\/div\u003e","brand":"VW (Genuine OE)","offers":[{"title":"Default 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