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Old 02-12-2008
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How-To: Determine your Ranger's calibration code

Mod:Determine your Ranger's calibration code
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Author: Bob (rwenzing)
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Sometimes it is valuable to know your factory calibration code. You would need it to buy a tune for a flash tuner like those from SCT. It might also help while junkyard shopping for a replacement processor.

1995~2006 Ranger 104-pin EEC-V (single connector):

Look for the label on the PCM which is located in a slot in the passenger side firewall. The code may also be found on a sticker near the passenger side fender (as shown) or elsewhere depending on the year. The code is 4 characters and varies based on the year, engine, transmission, drive, emissions region, etc. of your truck. In this example the code is GDM2; yours will probably be different:


2007+ 170 pin PowerPC processor (three connectors):

Since the code label is often hidden, it may be necessary to pull the PCM out of its niche in the firewall. In this example, the code is BNM2; yours will probably be different.

Last edited by 04blackedge; 03-03-2009 at 06:50 PM.
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