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Old 01-09-2008
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How-To: Determine Your Ranger's Calibration Code

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.

2003 FX4 Level II, Supercharged 5.0L V8, Headers,Duals 4R70W auto, BW4406 manual T/C
Aussie Locker, Torsen L/S, 4.10's, Bilstein 7100 rezzies, Cadillac/Mustang rear discs, Duff traction bars
Keypad Entry, Lock LEDs, ABS switch, sway bar discos, Heated seats, Explorer EATC, Trip Computer and consoles

5.0L V8 swap: Click
Supercharger: Click

2003 XLT 2.3L M5OD-R1 reg cab beater, 2011 Taurus SEL, 2016 C-MAX Energi Plug-in Hybrid

Last edited by rwenzing; 01-09-2008 at 09:51 AM.
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