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Cadillac Forum: Cadillac Powertrain Control Module (PCM) Tuning

Ask questions - Get answers in our section for discussions regarding Cadillac PCM tuning for engines such as the LT1, LS6, L92, LQ9, LQ4, L03 (TBI 305), L05 (TBI 350) and more...

  1. ECM / 1981 DFI 368 V-8-6-4 > PROMs

    ECM for 1981 DFI 368 V-8-6-4 has two PROMs. Several versions of these PROMs were manufactured, some for the first generation ECM and some for the second generation ECM built in 1981 also. Anyone...

    Started by gdouaire‎, 10-22-14 11:56 AM
    • Replies: 2
    • Views: 1,336
    10-15-16, 07:55 PM Go to last post
  2. Tune a 4.1?

    Hey, I just stepped over from the world of Hondas.. Im a little surprised to know somebody here is actually working on tunes for our cars.. I figured the newer cads would have some engine...

    Started by murrayII‎, 01-08-07 11:54 PM
    • Replies: 6
    • Views: 1,927
    08-19-16, 05:09 PM Go to last post
  3. cts 2010 ECM

    How I can replace the ECM on my cts 2010?

    Started by alexis1234‎, 10-12-14 02:08 PM
    • Replies: 0
    • Views: 454
    10-12-14, 02:08 PM Go to last post
  4. What all can a Tech IA or Tech II do??

    Anyone with experience with these tools, what all CAN they do? Just how much is accessible? Are they all upgradable? I have seen 10MB and 32MB cards, CAN adapters. And wide prices on them on...

    Started by N0DIH‎, 02-20-08 10:44 AM
    • Replies: 10
    • Views: 6,259
    05-20-14, 04:37 PM Go to last post
  5. Calling AJxtcman......

    AJ, I tried to PM you directly, but the system will not allow me to, based on my new status. I know there seems to be an issue with the Bonneville GXP PCM. (4.6L Northstar LD8), But I have been...

    Started by Kersh‎, 01-11-10 08:57 AM
    • Replies: 4
    • Views: 3,301
    12-24-13, 06:38 PM Go to last post
  6. Need scanner software for ECM 16070993

    Hello does any one have this kind of ECM in Cadillac Brougham or other car. I both ALDL cable 12-pin and I need some scanner software for this ECM. I do not want to use Tuner Pro RT because is...

    Started by Filip Dymák‎, 11-03-12 02:39 PM
    • Replies: 0
    • Views: 2,268
    11-03-12, 02:39 PM Go to last post
  7. need computer chip for my 4.9 swap

    Hi to all,,, I have a free bee 95 caddy deville with the 4.9 and I want to swap it in my 92 lumina Z34,,,, my stock computer is the equivalence of the 7730 model,,, the only difference is that its...

    Started by luminaZ34northstar‎, 10-12-12 09:50 AM
    • Replies: 1
    • Views: 1,436
    10-12-12, 11:13 AM Go to last post
  8. 2004 Deville PCM

    I can't trap an answer ... hopefully I'll catch one soon. Is my 2004 Deville fully tunable, or, does it suffer from the same issues that kept 98-03 PCMs from being tunable? In other words, can...

    Started by venomz‎, 04-03-12 05:02 PM
    • Replies: 3
    • Views: 4,199
    04-05-12, 07:32 AM Go to last post
  9. Which PCM used for 2006 STS 4.6L rearwheel ?

    Any know which PCM is used for a 2006 STS with NA 4.6L (code A)engine and rear wheel drive, is it a E67 PCM ? Thanks

    Started by Team ZR-1‎, 03-25-12 05:42 PM
    • Replies: 5
    • Views: 6,036
    03-28-12, 07:24 AM Go to last post
  10. 6.5L Turbo Diesel EPROM Programming - AJxtcman and other members

    I know this vehicle is not a Cadillac, but I was reading a post from 2009 by AJxtcman and he stated in his post that he was able to program the EPROM for a 1996 Hummer H1 6.5L Turbo Diesel. I have a...

    Started by herrickd‎, 02-22-12 12:42 PM
    • Replies: 1
    • Views: 3,370
    02-23-12, 06:48 AM Go to last post
  11. disable vats on a 2006 sts-v 469 hp engine.

    Hello i have a 2006 sts-v engine with 6l80e trany and i like to run the engine in a shorted chevy 56 wagon. the vats is a problem for me, I have hp tuner and i try with vats 1 vats 2 and make them...

    Started by deniro‎, 01-18-12 02:08 AM
    • Replies: 3
    • Views: 2,217
    02-17-12, 05:56 PM Go to last post
  12. Cadillac SRX tune

    Hey all, I have a 2008 Cadillac SRX. I want to buy a tune for it, however I can't find any. Is there any out there? It's the V6 model. Luxury edition I'm pretty sure. Thanks, Mainn

    Started by Mainn‎, 01-04-12 01:37 PM
    • Replies: 1
    • Views: 3,543
    01-18-12, 08:35 AM Go to last post
  13. Reset tuning or what is needed?

    Please direct me to the appropriate section if this isn't it. Situation: 2005 SRX N*V8, by previously owner converted to gasfuel, don't know if it was biogas or LPG. But the gas distibutor went out...

    Started by farmerjohn‎, 09-25-11 03:23 AM
    • Replies: 0
    • Views: 2,619
    09-25-11, 03:23 AM Go to last post
  14. OBD1 N* BINs

    first, a quick and relevant intro since i'm new here: recently i've been writing custom code(read: not just calibrating, literally wiritng code for the MCU to execute) for the 91-94 60V6 mask $A1,...

    Started by RobertISaar‎, 03-04-11 01:11 PM
    • Replies: 11
    • Views: 2,893
    07-17-11, 01:04 PM Go to last post
  15. To N0dih

    hi new to your forum been searching the web and ran across this site. I have a 06 c5500 kodiak chassis on a motorhome and look for a performance program. I noticed that you offer it. What dose it run...

    Started by dlll‎, 01-18-11 11:46 PM
    • Replies: 1
    • Views: 2,221
    05-22-11, 01:54 PM Go to last post
  16. 1997 Deville stock Used PCM swap

    First off, I just discovered this portion of the forum and tried to find a sticky or previous thread to cover my question. I am totally new to the PCM portion of these cars. I am trying to help...

    Started by DevilleDan‎, 04-27-11 03:35 AM
    • Replies: 2
    • Views: 4,016
    05-22-11, 01:53 PM Go to last post
  17. PCM and wiring harness for Northstar powered Trike

    I am building a Northstar powered trike, with 2.8 700r4, with 4x4 outshaft, mounted direct to a Mk VIII IRS, in a no frills hotrod frame. What i need help with is the pcm and wiring harness. Pcn will...

    Started by Tri-starTrike‎, 12-09-09 04:28 PM
    • Replies: 7
    • Views: 5,036
    04-20-11, 10:01 PM Go to last post
  18. What is Tuning? By Definition

    What is tuning a PCM? In my opinion it is recalibrating a .bin file or a calibration file. This could be a simple as segment swapping or total control over all the paramaters. Not 1 single...

    Started by AJxtcman‎, 12-16-08 01:37 PM
    3 Pages
    1 2 3
    • Replies: 43
    • Views: 13,709
    01-24-11, 05:04 PM Go to last post
  19. transmission question

    can i use a deville 01 4t80e on a new dts 07 ? is it the same thing?

    Started by taurus29‎, 01-17-11 04:23 PM
    • Replies: 0
    • Views: 2,127
    01-17-11, 04:23 PM Go to last post
  20. E67 Northstar Tuning

    This ECM fits 06+ FWD Northstar's, STS-V's and 07+ Northstar's in XLR's and STS's I have the tuning Software for this.

    Started by AJxtcman‎, 02-18-09 08:48 PM
    • Replies: 7
    • Views: 5,214
    12-16-10, 07:12 PM Go to last post
  21. 1994 Seville SLS PCM Relearn

    Hello, I am working on my parents 1994 Seville SLS with circa 140k on it. A local garage diagnosed it with a bad PCM and I have been elected to replace it. I have a few questions: 1) Where is the...

    Started by Anthoy‎, 01-01-10 10:19 AM
    • Replies: 2
    • Views: 4,953
    10-21-10, 01:06 AM Go to last post
  22. cadillac 4.9L pcm tuning, fastchips/superchips = 20HP & 15lb/ft TQ

    I can reprogram the 91-95 deville/fleetwood, and seville/eldorado PCMs. raise rev limit, remove top speed limiter, change shift points, change speedo output based on different tire sizes, lower...

    Started by stickpony‎, 10-04-10 09:46 AM
    • Replies: 0
    • Views: 3,323
    10-04-10, 09:46 AM Go to last post
  23. get around anti-theft?

    I have some damaged wiring in my 1998 Seville, and it won't start. I have all the right voltages to the PCM based on the manual schematics, correct fuel pressure, spark, but no injector activation. ...

    Started by bajarails‎, 04-18-09 03:20 PM
    • Replies: 3
    • Views: 2,790
    09-02-10, 11:42 PM Go to last post
  24. 1999 Deville - can you tune it?

    So what is possible, and what is recommended? Just curious - i probably won't try and tune my N*

    Started by RippyPartsDept‎, 08-27-10 10:23 PM
    • Replies: 12
    • Views: 3,467
    09-02-10, 06:30 PM Go to last post
  25. Has anyone tuned a 4.9 Allante?

    Well... That's essentially what it is. I have a 4.9 in a Fiero. A couple of months ago I installed an Allante intake manifold (and the steel rocker supports, of course.) I imported the fueling and...

    Started by Raydar‎, 05-16-10 09:47 PM
    • Replies: 6
    • Views: 3,120
    06-21-10, 05:09 PM Go to last post

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