For Your Information
Helpful Information:
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OBD1 Computer Location List (Below, Finding My Computer & Further Helpful Info)
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OBD2 Computer Location Pictures (Below, Computer Location)
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Instructions Page for PCM installation, PROM and MEMCAL removal and reinstallation, and for passkey instructions when replacing a computer that was not originally from your vehicle.
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View PDF on understanding VINs - If you're not sure what year your vehicle is, include the VIN on your order form.
Computer Location
Finding My Computer and Further Helpful Information
See the tabs for additional spreadsheets of info and don't forget to scroll over!
Computer Location Help: FORD
- 2008+ 6.4TD are at the passenger side bulkhead.
- We now mainly concentrate on 1996 and up Ford products and no longer support the older models other than some of the older Mustangs. With our DPS-Ford system, removing the computer is no longer necessary as we can reflash the computer directly.
Computer Location Help: GENERAL MOTORS
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1982-1995 Car Locations vary from behind the glove box, above the glove box, under the passenger side dash, under the hood at the right strut tower, the right side kick panel. -
1984-1988 Pontiac Fiero computers are located rearward between the seats. -
1987-1995 GM Truck computers are always behind the glove box (4.3, 5.0, 5.7, 6.5TD, 7.4). Look for a silver box with two or three connectors. The computer often has a white label which indicates computer service number and 4 letter code. To verify the code, always remove the computer cover (two 1/4" screws) and note the label directly on the computer chip. The computer code always has 4 letters on the computer white label tag (Service #1227747 code ANLW), or right on the prom itself. This code is required for all 1982-1995 GM computer reprogramming as we alway prefer to work from the original calibration rather than supply a 'generic-one-size-fits-all' calibration. -
Most Astro Van ECM's are behind the passenger kick panel or under the hood (after 1995). -
1992-1995 Cadillac is always under the passenger side dash. -
1996-2010 computers (VCM/TCM/PCM) are normally located under the hood, except in the case of some V6 cars (under the drivers side dash).
Computer Location Diagrams - Cars
Computer Location Diagrams - Trucks & SUVs
Computer Location Diagrams - Vans