DP tuner/ECM question? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 2 (permalink) Old 03-20-2008, 04:09 AM Thread Starter
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DP tuner/ECM question?

(1) I have an early 99 with 4r100. I want to check my ECM code and know that I must remove the ECM to check it. Do I need to disconnect the neg. bat. cable first or anything? Or do I just unbolt it with the key "off" and then replace the same way?

(2) I am assuming that I have XLE programming due to the crappy shifting, especially into third gear. If confirmed XLE, can this ECM be used with a DP tuner and F5? Or do I need a PMT ECM? If so, does DP still sell the PMT ECMs along with the chip etc??

I know I could call DP personally about this, but I figured I would ask you guys some of these basic questions first, before making the call. Thanks in advance.
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post #2 of 2 (permalink) Old 03-20-2008, 04:23 AM
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no need to disconect the battery.. just keep the key out of the ignition.

then pull it..

if you feel flexable you can read the code with a small mirror. but it is fasted to pull it. and you wont write the numbers down backwards
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