| ECU Location : Alfa Romeo |
| Model | ECU Location | OBD Location | ECU ID Code |
| General | Inside car on transmission tunnel | | Bosch 0261/ 0281 |
| 145/146 | Under carpet nearside front footwell | | Bosch 0261/ 0280/81 Marelli Delco |
| 156 JTD | On wheel arch nearside front footwell | | Bosch 0281 |
| GT 1.9 16v JTD 150bhp | The ECU is located on the drivers side inner wing and can be accessed from the engine bay. | | Bosch EDC16 |
| 147 JTD | Under engine cover LHS | | Bosch EDC16 |
| ECU Location : Audi |
| Model | ECU Location | OBD Location | ECU ID Code |
| 80/90/100 | Under carpet nearside front footwell | | Bosch 0261/ 0281 |
| A2 | Under carpet nearside front footwell, behind aluminium cover, 2nd ECU down. | | Bosch EDC15 |
| A3/S3 | Under scuttle trim between wipers | | Bosch 0261/ 0281 |
| A4/S4 | Under bonnet in scuttle offside | | Bosch 0261/ 0281 |
| A6/S6 | Under carpet nearside front footwell | | Bosch 0261 |
| A8/S8 | Under bonnet offside rear of engine bay | | Bosch 0261 |
| Quattro Turbo | Below steerng wheel by parcel shelf | | Bosch/ Hitachi |
| 20V S2/S4 | Under centre console | | Bosch 0261 |
| TT/S3/RS4 | Under scuttle trim between wipers | Under the steering wheel, above the pedal assembly | Bosch 0261 |
| A4 1.9L 100PD | | Under the steering wheel, above pedal assembly. | |
| A4 1.9L 130PD | | Under the steering wheel, above pedal assembly. | |
| A6 1.9L 130PD | | Under the steering wheel, above pedal assembly. | |
| A6 2.5 V6 TDI 180BHP | | Under the steering wheel, above pedal assembly. | |
| A3 2.0l TDI 140 bhp | Remove windscreen wipers, then scuttle panel. ECU behind metal cover (sheer bolts to remove) in middle of scuttle area. | | Bosch EDC16 |
| A8 4.0l V8 TDI | The ECU's are located in the engine bay in the middle rear. You have to remove both plastic corners from the rear of the engine, then the middle panel. | | Bosch EDC16 |
| A3/A4 1.6l FSI 115bhp | Behind the scuttle panel in the centre. | | Bosch MED9 |
| A3/A4/A6 2.0 FSI 150bhp | Behind scuttle panel in centre. | | Bosch MED9 |
| A3/A4 2.0l T FSI 197bhp | Behind scuttle panel in centre. | | Bosch MED9 |
| A6 3.0 V6 TDI | Under the scuttle on the passenger side rear of the engine bay. | | Bosch EDC16 |
| | Two ECU's one on Drivers side in plastic box, the other in the middle at back of engine. | | Bosch ME9 |
| ECU Location : BMW |
| Model | ECU Location | OBD Location | ECU ID Code |
| Pre 92 | Inside car under steering column or behind glove box | | Bosch 0261/ 0281 Siemens |
| 92 - 96 | Under bonnet in scuttle offside or in box on offside of engine bay | | Bosch 0261/ 0281 Siemens |
| 96 On | Under bonnet nearside behind trim panel rear of fuse/relay box | Under bonnet offside (BMW port) | Bosch 0261/ 0281 Siemens |
| 99 on all models | | Behind trim panel o/s facia (OBD II Port) | Siemans/Bosch |
| 320d 150bhp | Nearside rear of engine bay, beneath a black plastic cover. | | Bosch EDC16 |
| 3 Series 3.0D 204/231bhp | At rear right hand side of engine bay, under plastic lid. | | Bosch EDC16 |
| 5 Series E60 3.0D 218/231bhp | At rear right hand side of engine bay, under plastic lid. | | Bosch EDC16 |
| 7 Series E65 3.0D 218/231bhp | At rear right hand side of engine bay, under plastic lid. | | Bosch EDC16 |
| | At nearside rear of engine bay.You will need to remove the pollen filter, water deflector panel and the two covers at each end of the water deflector panel. The white plastic box containing the ECU has 2 x slide locks and 2 x plastic clips on the li | | Bosch EDC16 |
| E60 535D | At nearside rear of engine bay.You will need to remove the pollen filter, water deflector panel and the two covers at each end of the water deflector panel. The white plastic box containing the ECU has 2 x slide locks and 2 x plastic clips on the lid | | Bosch EDC16 |
| Z4 | Rear right of engine bay, remove pollen filter, ECU in plastic box. | | Siemens MS45 |
| 650 Ci | Underneath pollen filter, in black plastic box at rear RHS of engine bay. | | Bosch ME9 |
| 2 x ECU's located on the passengers side under the particle filter in black plastic box. | | Bosch ME9 |
| ECU Location : Citroen |
| Model | ECU Location | OBD Location | ECU ID Code |
| General | Under bonnet offside of engine bay | | Bosch 0261/ 0281Marelli Siemens |
| Saxo | Under bonnet offside of engine bay | Behind trim panel n/s facia (OBD II Port) | Bosch 0261 |
| Other Serial Cars | | Behind trim panel o/s facia (OBD II Port) | |
| BX 16V | Under drivers seat | | Bosch 0280/0281 |
| C5 2.2 HDI | | In glovebox, behind fusebox cover (OBD II Port) | Bosch EDC |
| Picasso 1.6 HDI 110bhp | On nearside of engine bay. | | Bosch EDC16 |
| | The OBDII socket is at the bottom of the dashboard on the driver's side, above the brake pedal. | Bosch EDC16 |
| ECU Location : Chrysler |
| Model | ECU Location | OBD Location | ECU ID Code |
| Jeep Cherokee TD | Under bonnet offside of engine bay | | Bosch 0281 |
| Voyager 2.5 TD | The ECU on the 2.5 Tdi is inside the car below the radio behind a big plastic horseshoe in a metal case. (About 20 8mm bolts to be removed) | directly below steering column, under dash board. | Bosch 0281 |
| P.T Cruiser | ECU to DNA Tuning for modification. Rear of engine bay passenger side. If the loom connects to the front panel rather than the side it cannot be modified. (please call if unsure) | | |
| Jeep Grand Cherokee 3.1 TD | 1999 model : ECU is under the back seat. | | Bosch EDC15 |
| Located under passenger side mounted bar strut, need to remove sheer bolts first. | | Bosch EDC16 |
| ECU Location : Citroen |
| Model | ECU Location | OBD Location | ECU ID Code |
| General | Under bonnet offside of engine bay | | Bosch 0261/ 0281Marelli Siemens |
| Saxo | Under bonnet offside of engine bay | Behind trim panel n/s facia (OBD II Port) | Bosch 0261 |
| Other Serial Cars | | Behind trim panel o/s facia (OBD II Port) | |
| BX 16V | Under drivers seat | | Bosch 0280/0281 |
| C5 2.2 HDI | | In glovebox, behind fusebox cover (OBD II Port) | Bosch EDC |
| Picasso 1.6 HDI 110bhp | On nearside of engine bay. | | Bosch EDC16 |
| | The OBD11 socket is at the bottom of the dashboard on the driver's side, above the brake pedal. | Bosch EDC16 |
| ECU Location : Daewoo |
| Model | ECU Location | OBD Location | ECU ID Code |
| General | Inside car behind kick panel offside | | Delco Memcal |
|
| ECU Location : Ferrari |
| Model | ECU Location | OBD Location | ECU ID Code |
| General | Inside car behind seats on firewall | | Bosch 0261Marelli |
|
| Model | ECU Location | OBD Location | ECU ID Code |
| Cinquecento | Under bonnet offside of engine bay | | Bosch 0261/ 0280/81 Marelli |
| Seicento | Under bonnet offside of engine bay | | Bosch 0261/ 0280/81 Marelli |
| Uno/Turbo | Under facia offside | | Bosch 0261/ 0280/81 Marelli |
| Tipo | On wheel arch nearside front footwell | | Bosch 0261/ 0280/81 Marelli |
| Punto/Turbo | Under bonnet offside of engine bay | | Bosch 0261/ 0280/81 Marelli |
| Marea 5 cyl TD | Under carpet nearside front footwell | | |
| Bravo/Brava/Marea 1.4 | Under bonnet on firewall behind engine | | Bosch 0261/ 0280/81 Marelli |
| Bravo/Brava/Marea 1.6 | Under bonnet adjacent to battery | | Bosch 0261/ 0280/81 Marelli |
| Barchetta | Behind glove box | | Bosch 0261/ 0280/81 Marelli |
| Chroma/Turbo | Under facia offside | | Bosch 0261/ 0280/81 Marelli |
| Coupe/Turbo | On wheel arch nearside front footwell | | Bosch 0261/ 0280/81 Marelli |
| Ulisse/Turbo | On wheel arch nearside front footwell | | Bosch 0261/ 0280/81 Marelli |
| Multipla | Above passenger footwell | | Bosch 0261 / 0280 |
| The ECU is under the bonnet on the right-hand side(when you're stood in front of the vehicle) behind the head light mounted behind a black plastic cover. Loosen the air filter assembly, this allows easier access to the ECU. | | Bosch 0281 |
| ECU Location : Ford |
| Model | ECU Location | OBD Location | ECU ID Code |
| KA | Inside car on A post offside | Under steering wheel above pedal assembly | EEC5 |
| Fiesta/Turbo | Under glove box nearside | | EEC4/5 |
| Escort | Inside car on A post offside or under under centre console | | EEC4/5 |
| Escort RS Turbo | Under bonnet behind heater fan box | | EEC4/5 |
| Focus | Inside car behind kick panel offside | Underneath steering wheel, above pedal assembly. Will need to remove cover to access OBD Port. | EEC5 |
| Sierra/Saphire | Behind glove box | | EEC5 |
| Mondeo | Inside car above accelerator pedal | Under steering wheel above pedal assembly | EEC4/5 |
| Granada/Scorpio | Behind glove box | | EEC4/5 |
| Transit | Inside van above glove box | Under steering wheel above pedal assembly. | EEC4/5 or Lucas on Diesel |
| Galaxy <2000 | Behind instruments in facia | | EEC4/5 or 0281 on Diesel |
| Galaxy >2000 | Under bonnet next to battery | | Bosch 0261 / 0281 |
| Probe | Inside car under centre console | | EEC4/5 or Mazda |
| Cougar | Inside car above accelerator pedal | Under steering wheel above pedal assembly | EEC5 |
| Transit Connect | DELPHI must be done using BDM100 Kit, the ECU can be found on drivers side 'A Post'. | EEC5 are covered by SRS, the OBDII is on the drivers side of the transmission tunnel, by drivers left knee. | EEC5 / DELPHI |
| Focus 1.6 TDCi 110bhp | Behind nearside wheel arch. | | Bosch EDC16 |
| Focus ST 2.5 | The ECU is located on the air filter assembly on the front of the engine. | | Bosch ME9 |
| Fiesta 1.6 TDCi 90bhp | | Above drivers feet behind OBD cover | EDC16 |
| S-Max 2.5 T | | To the right of the steering wheel, open panel, then at top another small panel covering the OBD2 port. | Bosch ME9 |
| Mondeo/S-Max 2.0 TDCi 138bhp | | The OBDII sockets are in the dashboard below right of steering wheel behind two hinged covers. | Siemens SID206 |
| 2007 Transit 2.4 TDCi | | Above drivers feet behind trim panel | Visteon |
| Focus/Fiesta/C-Max/Fusion |
| | The OBDII sockets are in the dashboard below right of steering | Siemens SIM210 |
| ECU Location : Honda |
| Model | ECU Location | OBD Location | ECU ID Code |
| General | Under carpet nearside front footwell | | Honda PGM-FI |
| NSX | Inside car behind seat offside | | Honda PGM-FI |
| Civic 1.7 CTDI 2002 on | Behind glove box. | | Bosch 0281 |
| Accord 2.2 iCDTi | The ECU is located on the passengers A post. | | Bosch EDC16 |
| Civic i-CDTi 2.2 | ECU on the passenger side on A-pillar behind glove box. You need to remove the arm rest, slide out the way to remove the glove box. | | Bosch EDC16 |
| | Above the passengers feet behind the lower panel, sits on a removable shelf. | | EDC16 |
| ECU Location : Hyundai |
| Model | ECU Location | OBD Location | ECU ID Code |
| General | Inside car on A post offside | | Bosch 0261 |
| S Coupe/Turbo | Under carpet nearside front footwell | | Bosch 0261 |
| Tucson 2.0 CRTD 2007 on | The ECU on the Tucson is located above the pedal assembly in the driver's foot well, behind a panel which is easily removed. | | Bosch EDC16 |
|
| Model | ECU Location | OBD Location | ECU ID Code |
| Piazza | Inside car on A post offside | | Bosch 0261 |
| Trooper 3.0D | Under the bonnet on passengers side near battery | | Delco |
| Underneath the steering wheel | | Bosch |
| ECU Location : Jaguar |
| Model | ECU Location | OBD Location | ECU ID Code |
| General | Inside car behind kick panel nearside | | Lucas |
| | | The OBD Port is located above the pedal assembly towards the centre. | Siemens SID201 |
| ECU Location : Kia |
| Model | ECU Location | OBD Location | ECU ID Code |
| General | Under carpet nearside front footwell | | Bosch 0261 |
|
| Model | ECU Location | OBD Location | ECU ID Code |
| Under centre console | | Webber Marelli |
| ECU Location : Land Rover |
| Model | ECU Location | OBD Location | ECU ID Code |
| TD5 Discovery/TD6 Range Rover | Engine Bay drivers side behind battery in plastic box | Above drivers left knee. | Lucas Mems |
| TD4 | | Passengers footwell on right hand side | Bosch DDE |
| Discovery 3 2.7 V6 TDi | Remove battery, then unscrew front panel and lid behind battery. Tape first ECU out the way, the second ECU - Siemens SID201 is the one to be remove. | | Siemens SID201 |
| Range Rover/Sport TDV8 | | Above drivers feet - OBD2. | Siemens SID203 |
| Freelander 2.2 TD4 | | Above Drivers Feet | Bosch EDC16 |
| | | Above drivers feet behind trim panel. | Visteon |
| ECU Location : Lotus |
| Model | ECU Location | OBD Location | ECU ID Code |
| Carlton | Behind glove box | | Delco Memcal |
| Elan | Inside car on A post offside | | Delco Memcal |
| In engine compartment on firewall | | Lucas MEMS |
| ECU Location : MG |
| Model | ECU Location | OBD Location | ECU ID Code |
| ZR/ZS (All Models) | | Drivers footwell, above left knee. | |
| ZT (All Models) | | Drivers footwell, above right knee. | |
| TF (All Models) | | Drivers footwell, unscrew cover above right knee. | |
|
| Model | ECU Location | OBD Location | ECU ID Code |
| Inside car under centre console | | Webber Marelli |
| ECU Location : Mazda |
| Model | ECU Location | OBD Location | ECU ID Code |
| General | Inside car under centre console | | Hitachi |
|
| Model | ECU Location | OBD Location | ECU ID Code |
| Petrol | Under bonnet offside of engine bay | | Bosch 0261 |
| Diesel | Under bonnet nearside of engine bay | | Bosch 0281 |
| 1.7l/2.0l/2.2l/2.7l/3.2l CDI - early models 1999 | Under bonnet, nearside of engine bay. | Require MERC-OBD lead, under bonnet LHS of engine bay. | Bosch EDC15C5 |
| 1.7l/2.0l/2.2l/2.7l/3.2l CDI 2000-2002 All Models | Under bonnet, nearside of engine bay. | Require OBD II lead, above drivers knees behind trim panel. | Bosch EDC15C5 |
| Vito CDI 108/110/112 | Above drivers pedals. | Require MERC-OBD lead OR standard OBD II lead, under passengers seat. | Bosch EDC15C5 |
| 2.4l/2.8l/3.2l V6 Petrol, models 2000 on with ECU ID Code as listed. | Under bonnet, offside of engine bay. | Require OBD II lead, port above drivers knees behind trim panel. | Bosch 2.7/2.8 |
| 4.3l/5.0l V8 Petrol, models 2000 on with ECU ID Code as listed. | Under bonnet, offside of engine bay. | Require OBD II lead, port above drivers knees behind trim panel. | Bosch 2.7/2.8 |
| 6.0l V12, models 2001 on with ECU ID Code as listed. | Under bonnet, offside of engine bay. | Require OBD II lead, port above drivers knees behind trim panel. | Bosch 2.7.1 |
| Vito 109/111/115 CDI | In engine bay, large plastic box at rear, ECU inside. | | Bosch EDC16 |
| ML c.2005 | The ECU is located behind the off-side wheel arch. Drop the wheel arch trim down, the ECU is located in a cradle which is held back near the A post. The ECU is held into the cradle with one screw. | | |
| E 320 CDI 224bhp / 280 CDI | The ECU is located on the passenger side of the engine bay, in a black plastic box. | | Bosch EDC16 |
| B Class 200 CDI | The ECU is located on the far right hand side of the engine bay on the bulkhead. | | Bosch EDC16 |
| A/B Class 180 CDI | Under the bonnet on the bulkhead on the passengers side. | | Bosch EDC16 |
|
| Model | ECU Location | OBD Location | ECU ID Code |
| One & Cooper | | Above drivers footwell | Siemens |
| R56 Mini Cooper S 1.6 Turbo | The ECU is located in the driver's side of the engine bay under a plastic cover next to the battery. | | Bosch MED17 |
| R56 Mini Cooper 1.6 Diesel |
| The ECU is located in the driver's side of the engine bay under a plastic cover next to the battery. | | Bosch EDC16 |
| ECU Location : Mitsubishi |
| Model | ECU Location | OBD Location | ECU ID Code |
| 3000 GTO | Inside car under centre console | | Mitsubishi |
| Gallant | Inside car under centre console | | Mitsubishi |
| Starion | Inside car on A post nearside | | Mitsubishi |
| Passengers Footwell in metal plate | | Bosch EDC16 |
| ECU Location : Nissan |
| Model | ECU Location | OBD Location | ECU ID Code |
| 200/300 | Under carpet nearside front footwell | | Nissan ECCS |
| General | Inside car under centre console | | Nissan ECCS |
| Primera TD | Inside car under centre console | | Nissan ECCS |
| Tino 2.2 Di | Behind glove box. | | Bosch 0281 |
| ECU is located in the centre console, it is accessed from both the passengers side and the drivers side, pull back the carpet and you will see the ECU, it is retained by 10mm nuts We cannot modify the TD model only the Di. | | Nissan |
| ECU Location : Peugeot |
| Model | ECU Location | OBD Location | ECU ID Code |
| 106/306 | Under bonnet nearside of engine bay | Under dashboard (OBD II Port) | Bosch 0261/0280/0281 Marelli |
| 206 | Under bonnet offside of engine bay | Under dashboard (OBD II Port) | Bosch 0261 |
| 205/309 | Inside car above steering column | | Bosch 0261/ 0280 |
| 405/406/806/605 | Under bonnet offside of engine bay | Behind small panel in dash above left knee when sitting in drivers seat, lever out carefully (OBD II Port) (406 only) | Bosch 0261/ 0280 |
| 307 | | In panel above right knee when sitting in driver seat, move steering column up to ease access and undo screw to remove panel (OBD II port) | |
| 607 2.2 HDI | | The location of the 16 pin socket on a Peugeot 607 HDi is in the arm rest under the trim. You will need a small screwdriver to lift the edge up. | Bosch DDE |
| 207 GTi | The ECU is located to the rear of the passenger's side of the engine bay under a plastic cover | In the Glovebox behind a flap | Bosch MED17 |
| 207 1.6 Turbo GT 150bhp | The ECU is located to the rear of the passenger's side of the engine bay under a plastic cover. | In the Glovebox behind a flap | Bosch MED17 |
|
| Model | ECU Location | OBD Location | ECU ID Code |
| 911/993 | Under nearside front seat | | Bosch 0261/ 0280 |
| 928/S5/GTS | Under carpet nearside front footwell | | Bosch 0261/ 0280/ 0227 |
| 944/968 | Under carpet nearside front footwell | | Bosch 0261/ 0280/ 951 |
| 924 | Inside car under steering column | | Bosch 0261 |
| 996 All models | | Above drivers feet, OBD2 | Bosch |
| Cayenne/997/Boxster/Cayman | | Above drivers feel, OBD2 | Bosch ME7 |
| | | Above passengers knee. | Bosch ME7 |
|
| Model | ECU Location | OBD Location | ECU ID Code |
| Clio | Under bonnet in scuttle offside | | Bosch 0261/ 0281 Renix Bendix |
| 19/Laguna/Megane | Under bonnet offside of engine bay | | Bosch 0261/ 0281 Renix Bendix |
| 21 Turbo | Under bonnet beside battery | | Bosch 0261/ 0281 Renix Bendix |
| GTA V6 | Inside car behind rear seats | | Bosch 0261 |
| Espace | Under bonnet offside of engine bay | | Bosch 0261/ 0281 Renix Bendix |
| Clio | 2000 onwards | Behind ashtray (OBD II Port) | Siemans Sirius 32/Delphi |
| Megane/Scenic | 2000 onwards | Behind fusebox cover (OBD II Port) | Siemans Sirius 32/Bosch 0281 |
| Laguna | 2000 onwards | Behind ashtray (OBD II Port) | Bosch 0281 |
| Espace 2.2 DCI | on 2005on 150bhp model - ECU under battery - CHIP ONLY | Passengers floor under the carpet, OBD II. | Bosch EDC15 |
| Megane/Scenic 2 1.9 DCI 120bhp | The ECU is located in the engine bay on the nearside beside the air filter. | | Bosch EDC16 |
| Megane Sport 225 | | The OBD11 socket is at the bottom of the dashboard above the centre console, behind a small panel which unclips easily. | Sagem 3000 |
| Clio Renaultsport 2.0 16v 197bhp | | The OBD11 socket is found in the centre console beneath the slot where the key card is inserted, a small panel must be unclipped to reveal it. | Sagem 3000 |
|
| Model | ECU Location | OBD Location | ECU ID Code |
| Mini | Under bonnet offside of engine bay | | Lucas MEMS |
| Metro/111 | Under bonnet nearside of engine bay | | Lucas MEMS |
| 200 Series | Under bonnet nearside of engine bay | | Lucas MEMS Bosch 0281 Honda |
| 400 Series | Under bonnet on firewall behind engine | | Lucas MEMS Bosch 0281 Honda |
| 600 series | Under carpet nearside front footwell | | Lucas MEMS Bosch 0281 Honda |
| 800 Series | Under bonnet nearside of engine bay | | Lucas MEMS Bosch 0281 Honda |
| MGF/VVC | In engine compartment on firewall | | Lucas MEMS |
| Range Rover DSE | Under bonnet offside of engine bay | | Bosch 0281 |
| Land Rover Defender TD5 | Under drivers seat | | Lucas MEMS |
| SDI's | Under bonnet on firewall behind engine | | Bosch 0281 |
| Land Rover Discovery TD5 | Engine Bay drivers side behind battery in plastic box | Above drivers left knee. | Lucas Mems |
| 25/45 (All models) | | Driver footwell above left knee.OR on 2000 TD model behind ashtray right at the back, you need to unclip the OBDII port from it's mountings to access serially. | |
| 75 (All Models) | | Drivers footwell, above right knee. | |
|
| Model | ECU Location | OBD Location | ECU ID Code |
| APC | Under bonnet nearside of engine bay | | Bosch 0261/ 0280 |
| 900/9000 | Inside car on offside A post | | Bosch 0261/ 0280 |
| 2.3DI | Under bonnet nearside below screen | | Bosch 0261/ 0280 |
| | Inside car below steering column | | Bosch 0261/ 0280 |
| | Under nearside front seat | | Bosch 0261/ 0280 |
| 9-3/9-5 All Serial Cars | | Above drivers footwell | Saab |
| 93 115bhp | There is a hybrid ECU on the fuel pump, but the EDC15 unit is behind the glovebox. | | 0281... |
| 93 125bhp >2000 | Cannot be modified. | | |
| 9-3 1.9TiD 120bhp Z19DT | Behind offside front wheel arch. | | Bosch EDC16 |
| 93 1998cc 2.0 T 150/175/210bhp 2002 on | | The OBD Port is located below the steering wheel in the dashboard. | Trionic 8 |
| Passenger side, beneath scuttle panel underneath wipers. | | Bosch EDC16 |
| ECU Location : Seat |
| Model | ECU Location | OBD Location | ECU ID Code |
| General | Under scuttle trim between wipers | | Bosch 0261/ 0281 |
| Alhambra <2000 | Behind instraments in facia | | Bosch 0261/ 0281 |
| Alhambra >2000 | Under bonnet next to battery | Above pedal assembly (throttle) | Bosch 0261 / 0281 |
| Ibiza 1.9L 100PD | | Above right knee behind storage tray. | |
| Ibiza 1.9L 130PD | | Above right knee behind storage tray. | |
| Leon 1.9L 110TD | | At the bottom of the main centre console behind panel. | |
| Arosa | beneath weather panel in engine bay passenger side | centre console, behind ashtray | Bosch |
| | Centre console beneath dashboard in storage compartment | Bosch |
| ECU Location : Skoda |
| Model | ECU Location | OBD Location | ECU ID Code |
| General | Under scuttle trim between wipers | | Bosch 0261/ 0281 |
| Felicia | Under bonnet nearside of engine bay | | Bosch 0261 |
| Fabia 1.9L 100PD | | Above right knee behind storage tray. | |
| Octavia 1.9L 100TD | | Below the steering wheel at back of shelf. | |
|
| Model | ECU Location | OBD Location | ECU ID Code |
| Under carpet nearside front footwell | | Unisia |
| ECU Location : Suzuki |
| Model | ECU Location | OBD Location | ECU ID Code |
| Swift | Inside car above pedal assembly | | Nippondenso |
| Baleno | Behind glove box | | Nippondenso |
| Cappucino | Inside car on nearside A post | | Nippondenso |
| Grand Vitara | Engine bay, nearside wing under fluid bottle and panel beneath. | Inside vehicle, drivers side dash above pedal assembly. | EDC15C2 |
| Vitara 1.9 DDiS | On front right of the engine bay, laying horizontally. | | Bosch EDC16 |
|
| Model | ECU Location | OBD Location | ECU ID Code |
| General | Inside car under centre console | | Hitachi |
| | Behind glove box | | Hitachi |
| Supra single turbo | Behind glove box | | Hitachi |
| Supra twin turbo | Under carpet nearside front footwell | | Hitachi |
| In rear boot on firewall | | Hitachi |
| ECU Location : Vauxhall/Opel |
| Model | ECU Location | OBD Location | ECU ID Code |
| General | Inside car on offside A post | In fuse box under facia o/s | Bosch 0261/0281 Delco |
| Omega | Under bonnet nearside of engine bay | In fuse box under facia o/s | Bosch 0261/ 0281 |
| Vectra | Under bonnet in scuttle nearside | Centre console, under handbrake: pull off plastic cover. | Bosch 0261/ 0281 |
| Sintra | Inside air filter casing | Under facia offside | Bosch 0261 |
| 99-2004 Astra G / DI / DTI | Behind nearside repeater lamp under wheelarch liner | Centre console | Bosch 0261/ 0281 |
| Zafira / DI / DTI | Behind nearside repeater lamp under wheelarch liner | Centre console | Bosch 0261/ 0281 |
| Frontera | Drivers side 'A' post, passenger footwell | Behind coin tray on centre console | Bosch 0261/0281 |
| VX220 | | Passengers side footwell | Delco GM PT |
| Astra H 1.9 CDTi 150bhp | Behind nearside front wheel arch. | | Bosch EDC16 |
| Astra H VXR 237bhp | | Underneath the handbrake. | Bosch 7.6.2 |
| Vectra / Signum 2.0 T 175bhp | | Centre console below the ashtray. | Trionic 8 |
| Corsa VXR | | At the bottom of the centre console, OBD2. | Bosch ME7.6.2 |
| Signum / Vectra C 2.8 V6 Turbo 230bhp | | located in the centre console below the ashtray or beneath the handbrake. | Bosch MED9 |
| | | The OBDII socket is located behind a plastic cover beneath the steering wheel, level with the drivers knee's. | Bosch EDC16 |
| ECU Location : Volkswagen |
| Model | ECU Location | OBD Location | ECU ID Code |
| General | Under scuttle trim between wipers or on nearside | | Bosch 0261/0281 |
| Sharan <2000 | Behind instraments in facia | | Bosch 0261/0281 |
| Sharan >2000 | Under bonnet next to battery | | Bosch 0261/0281 |
| Carravelle | In engine compartment on nearside | | Bosch 0261/0281 |
| Transporter | In engine compartment on nearside | | Bosch 0261/0281 |
| LT | In engine compartment on nearside | | Bosch 0261/0281 |
| 2001 on | The ECU is located under the bonnet on the nearside bulkhead. The ECU is held in a black cage. Remove the air box and then twist the whole cage clock wise and then unhook it from it's retaining lugs. Heat the 2 shear bolts up and remove with vice grips | | |
| Bora 1.9L 100PD | | Behind the panel at the bottom of the centre console. | |
| Bora 1.9L 150PD | | Behind the panel at the bottom of the centre console. | |
| Golf 1.9L 100PD | | Behind the panel at the bottom of the centre console. | |
| Golf 1.9L 130PD | | Behind the panel at the bottom of the centre console. | |
| Golf 1.9L 150PD | | Behind the panel at the bottom of the centre console. | |
| Polo 1.4L 75PD | | Behind the ashtray at the bottom of the centre console. | |
| Polo 1.9L 100PD | | Behind the ashtray at the bottom of the centre console. | |
| Sharan 1.9L 115PD | | Under steering wheel above pedal assembly. | |
| Sharan 1.9L 130PD | | Under steering wheel above pedal assembly. | |
| Beetle All models | Under dashboard, under the pollen filter inside the car. | | Bosch ME7 |
| Golf Mk5 2.0l TDI 140bhp | Remove windscreen wipers, then scuttle panel. Remove large panel insert in middle of bulkhead. ECU behind metal cover (sheer bolts to remove) in middle of scuttle area. The ECU connector will be very stiff as it is siliconed shut. | | Bosch EDC16 |
| Touareg 5.0l V10 TDI | This car uses a Bosch EDC16 ECU. There are two ECU's, to access both ECU's the windscreen wipers must be disconnected so the weather panel can come off. The offside ECU is just below where the driver's windscreen wiper locates and the ECU simply unclips | The second ECU is located just off centre on the nearside; it is mounted vertically and must be un-clipped to disconnect the loom. NB: a puller is required to remove the windscreen wipers | Bosch EDC16 |
| 1.6 FSI 115bhp | Behind scuttle panel in centre | | Bosch MED9 |
| 2.0l FSI 150bhp | Behind scuttle panel in centre. | | Bosch MED9 |
| Golf GTI 2.0l T FSI 197bhp | Behind scuttle panel in centre. | | Bosch MED9 |
| Transporter 2.5 TDI | Under battery, remove black plastic panel, ECU underneath. | | Bosch EDC16 |
| 2005 Passat 2.0l TDI 140bhp | Behind scuttle panel in the middle, you will need to remove the windscreen wipers. | | Siemens PPD |
| Phaeton 3L V6 TDI | The windscreen wiper mechanism has to be removed along with all the scuttle panels. ECU located behind scuttle panel. | | Bosch EDC16 |
| Touran | | Behind the storage tray beneath the wteering wheel to the right hand side. | Bosch EDC16U1 |
| Touareg (all models) | | The OBD11 Port can be found above the pedal assembly in the fascia. | |
| LT 35 2.8 | Behind lower panel / trim beneath dashboard in fron of the gear stick. | | Bosch |
|
| Model | ECU Location | OBD Location | ECU ID Code |
| 440/460/480 | Inside car on offside A post | | Siemens |
| V40/S40 T4 | Inside car in front of centre console | | Siemens |
| V70/S70/C70 | Under bonnet offside of engine bay | | Bosch 0261/0281 Siemens |
| 740/850/940/960 | Under bonnet offside of engine bay | | Bosch 0261/0281 Siemens |
| 2001/2002 V40 1.8 TDI | OffSide chassis leg under the bonnet. Remove the underbelly cover panel, ECU behind. | | Bosch 0281 |
| XC90 T6 | The ECU is located behind driverside headlight. The purple tabs require to be pushed towards headlight. | | Bosch ME7 |
OBD Locations 
