ecm - LS1TECH - Camaro and Firebird Forum Discussion

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architecture, bcm, camaro, code, control, conversion, cruise, e38, ecm, electrical, gateway, global, gm, jaguar, ls3, programming, vin

LS3 Swap Electrical Controls question: BCM

tijoe on Oct 29, 2010

Feb 26, 2026 10:38 AM
by chimaera

6

9,752

Conversions & Swaps

05, 2005, 6g2vx12ux5l383692, code, codes, ecm, gto, immobilizer, incorrect, linking, location, pcm, pim, pontiac, security

2005 GTO PCM Swap warning:

McRat on Aug 24, 2005

Nov 12, 2025 10:21 AM
by G Atsma

7

20,818

PCM Diagnostics & Tuning

1998, 98, 99, camaro, connection, conversion, ecm, ecu, ls1, ls3, pcm, pin, repinning, swap, work, z28

Need help with a pcm swap 98 to 99+

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98z28bitcha on May 20, 2010

Apr 10, 2025 11:50 AM
by floridave

52

55,033

PCM Diagnostics & Tuning

1999, 2004, 2006, 53l, 98, diagrams, ecm, escalade, ls1, ls2, obs, pinout, pinouts, tahoe, wire, wiring

Pinouts and wiring diagrams

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G-Body on Feb 26, 2008

Mar 1, 2025 08:55 PM
by Ch33vyy

293

738,968

Conversions & Swaps

cats, change, changing, chaning, credit, ecm, efi, hptuners, live, ls1, number, pcm, rt, tuner, vin

PCM VIN Change

bluemach1 on Jun 26, 2011

Aug 20, 2024 09:44 PM
by NSFW

14

8,869

PCM Diagnostics & Tuning

2005, 53, 53l, diagram, ecm, ecu, engine, flex, fuel, pinout, pinouts, schematics, sensors, vortec, wiring

2005 5.3 pinout/diagram?

garys 68 on Nov 27, 2010

Jul 8, 2024 07:15 PM
by the_merv

9

31,165

Conversions & Swaps

1999, 2004, 53, 60, 81, ecm, engine, harness, hot, motor, pcm, rod, witb, work, wprk

6.0 harness and PCM, will it work with a 5.3 engine?

bjamick on Oct 10, 2011

May 8, 2024 05:42 PM
by rjp559

9

18,664

Conversions & Swaps

change, chevrolet, ecm, edit, gm, number, numbers, pcm, program, programing, serial

PCM serial number change?

jimmyblue on Feb 1, 2003

Nov 20, 2023 02:19 AM
by mike1352002

4

5,128

PCM Diagnostics & Tuning

99, activation, comming, ecm, fuel, ls1, malibu, power, pump, relay, seconds, stay, swap, trigger, wire, wired, wiring

No power out on ECM fuel pump wire

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1 2)

MalibuRacing on Aug 25, 2009

Oct 15, 2023 06:09 PM
by Sdbound

20

66,738

Conversions & Swaps

2000, 53, 53l, 91, chevy, diagram, ecm, engine, gm, guide, harness, lm7, ls1, tech, truck, wire, wiring

5.3 wiring harness Wiring diagrams here!!!

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1 2)

91parkave on Feb 23, 2008

Jul 11, 2023 03:03 PM
by ptaylo5784

39

1,074,913

Conversions & Swaps

cable, camaro, cars, disable, drive, ecm, gas, gm, ls, ls1, onstar, peddle, program, single, slowdown, throttle, vehicle, wire

Poll

Drive by Wire or Throttle Cable

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1 2 3 4)

Whitedevil666 on May 11, 2010

Jun 14, 2023 08:46 AM
by strutaeng

64

155,429

Conversions & Swaps

2001, builds, ecm, engines, injection, ls, ls1, ls3, lsx, nitrous, propane, remape, run, running, turbo

Running an LS on Propane

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1 2)

patooyee on Apr 18, 2013

Jun 8, 2023 04:10 PM
by G Atsma

35

30,963

PCM Diagnostics & Tuning

05, 2011, differences, ecm, engine, express, harness, ls, maf, van

express van wiring

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1 2)

M6 Swap on Nov 25, 2013

Mar 2, 2023 07:34 PM
by TvanD

26

57,308

Conversions & Swaps

0411, 12200411, 411, benefits, big, block, chevy, conversion, ecm, inside, lextech, lt1, pcm, performance, turbo

12200411 PCM ('01+ LS1) conversion on an LT1? Links inside!

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1 2)

trax on Mar 21, 2007

Apr 14, 2022 10:27 PM
by sj010489

32

21,971

PCM Diagnostics & Tuning

07, auto, corvette, e38, e67, ecm, hp, ls3, m6, pcm, software, tbss, tuners, tuning, zr1

anyone converted a 2008 LS3 M6 e38 HPtuner tune for a e67 ECM

nycblazer on Jan 15, 2010

Apr 4, 2022 05:12 PM
by cpd004

8

3,929

PCM Diagnostics & Tuning

2004, e38, ecm, engine, extension, extensions, gto, harness, labels, ls1, lsx, pcm, pontiac, understanding, wires

E38 ECM Harness extension?

tijoe on Nov 5, 2012

Mar 5, 2022 08:18 PM
by Zsolti

5

6,905

Conversions & Swaps

0411, 12v, 411, censors, connectors, diagrams, ecm, harness, lsx, oxygen, pcm, refrence, response, sensor, swap, tuning, wire, wiring

problems with swap harness and 411 pcm

1972nova on May 1, 2012

Nov 29, 2021 02:59 AM
by josefb134

19

14,861

PCM Diagnostics & Tuning

317, 364, 450, 60, block, builds, ecm, forged, gm, heads, iron, l92, lq4, ls1, pistons, rwhp, turbo, willy

408 Iron Block on Budget?

Blackta24 on Nov 7, 2010

Sep 20, 2021 10:09 AM
by G Atsma

16

26,098

Generation IV Internal Engine

08, 4l80, 4l80e, e67, early, ecm, factory, issues, jakes, model, performance, recall, run, silverado, tbss, tcm, work

'08 TBSS / 4L80E Issues

Dirty 30 on Apr 22, 2012

Jul 7, 2021 02:33 PM
by MaroonMonsterLS1

16

17,604

Automatic Transmission

1580803, connector, control, delco, e38, ecm, fan, fans, ls1, plug, pwm, settings, single, state, wiring

Turn on my E38 fans please!

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1 2)

Marktainium on Jan 26, 2010

Jun 30, 2021 11:12 AM
by G Atsma

21

22,276

Conversions & Swaps

2004, 24x, 53, 58x, chevy, colorado, computer, e40, ecm, engine, motor, program, swap, transmission, v8, work

Does E40 ECM works with a 2001 5.3 (24x) Motor ?

waid786 on Mar 21, 2013

Apr 14, 2021 02:36 PM
by camarojunkie85

12

36,860

PCM Diagnostics & Tuning

1998, 9798, 98, 99, computer, density, ecm, fbody, georgia, harness, ls1, programming, speed, tune, wiring

cons of a 98 ls1 computer?

todds69 on Aug 11, 2011

Mar 23, 2021 12:21 PM
by 1998TransAmWS6.

15

10,504

Conversions & Swaps

1971, 1971nova, 2000ls1, 72, cams, chevelle, ecm, front, lift, longer, lq4, minitub, nova, power, schematic, snout, suspension, swap, wiring

LQ4 in a 1971 Nova

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hookemdevils22 on Dec 12, 2008

Feb 28, 2021 09:04 PM
by dawgs74

648

248,228

Conversions & Swaps

4l60e, 4l80e, bad, ecm, firebird, fix, limp, limpin, mode, pcm, pontiac, rebuilt, stuck, suburban, trans, transmission

Rebuilt 4l60e in limp mode!

Superdex07 on May 23, 2012

Feb 18, 2021 10:33 AM
by mrvedit

17

22,432

Automatic Transmission

2006, carlo, chevy, disabled, ecm, hp, kills, monte, p0601, performance, recall, service, ss, starting, throtle

P0601 - 2006 Monte Carlo SS

JuniorMT on Mar 26, 2012

Jan 23, 2021 09:58 AM
by nrshotgun

6

10,646

LS4 Performance

05cadillac, 2008, a, code, communication, corvette, ecm, ecmpcm, fix, g8, lost, obd2, pontiac, reading, sts, u0100, uo100

Code U0100 Question

1989GTA on Jun 22, 2013

Jan 8, 2021 01:34 PM
by Craig Forman

7

18,892

PCM Diagnostics & Tuning

04gtoalternatordrain, 2004, adapter, ecm, ecu, fbody, gm, gto, harness, ls1, ls2, nova, pinout, plug, wire, wiring

ls1 gto wiring and ecu

sr57e on Sep 19, 2011

Dec 6, 2020 03:21 PM
by Qdttracer9

7

5,441

Conversions & Swaps

01, 2001, 81, 81l, carlo, ecm, express, monte, pcm, pinout, pinouts, trans, transmission, van, vortec

2001 Express 8.1L pinouts

OOsilverado on Jan 31, 2011

Dec 6, 2020 11:13 AM
by Jeff Swallow

8

12,965

Conversions & Swaps

1999, 84, carlo, computer, cranking, ecm, ecu, ecuignition, fuse, gmc, ls1, monte, pcm, pin, pinouts, power, ss

no power to ecu, tired of searching

rudyzturbota on Mar 22, 2010

Aug 25, 2020 04:05 AM
by ls1nova71

11

12,076

Conversions & Swaps

171, afr, air, arizona, burn, cruise, ecm, emissions, fuel, gm, hp, hptuners, lean, ratio, tuners

HP Tuners lean-burn function

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1 2)

Quick Double Nickel on Nov 11, 2004

Apr 7, 2020 12:49 AM
by gametech

22

13,317

PCM Diagnostics & Tuning

chevy, connecters, connector, connectors, converting, e38, e40, e67, ecm, gm, harnass, harness, information, pcm, repinning, x3

E38, E67, E40, ETC Factory ECM Harness connector info

85MikeTPI on Sep 8, 2012

Aug 6, 2019 07:04 PM
by Dragframe

1

16,124

Conversions & Swaps

2007, 4l80e, better, camera, ecm, engine, escalade, harness, l92, ly6, mastercraft, price, vvt, wire, wiring

LY6 harness for L92?

Dsprague on Nov 15, 2011

Jul 22, 2019 06:04 PM
by warriorpluto

18

6,521

Generation IV External Engine

computer, connectors, e38, ecm, ecu, engine, fir, flash, gm, ls, pinout, standakone, standalone, starter, wiring

E38 ECU Wiring Help Needed

Datsun1973 on May 9, 2011

Jun 15, 2019 11:57 PM
by Tony the tigger

17

52,667

Conversions & Swaps

1993, 95, aldl, cable, camaro, data, diy, ecm, logging, lt1, programming, youtube

$10 DIY LT1 programming data logging USB cable vid

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1 2)

aknovaman on May 12, 2014

Dec 20, 2018 09:58 AM
by TSAEB

26

48,336

LT1-LT4 Modifications

1994, 1995, 34, 95, camaro, caprice, conversion, ecm, firebird, harness, liter, lt1, pontiac, swap, v6

3.4 to lt1 swap

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1 2)

tricked94camaro on May 17, 2010

Nov 11, 2018 08:21 AM
by tricked94camaro

24

14,971

LT1-LT4 Modifications

1170, 1986, 2004, bad, cam, carlo, cost, ecm, fuse, gto, ls1tech, monte, position, problems, sensor, ss, throttle

Bad Throttle Body Position Sensor...Maybe?

GXP866 on May 1, 2013

Sep 14, 2018 09:30 PM
by Mrchevorlet

11

20,752

LS4 Performance

19201327, controller, crate, detail, ecm, ecu, engine, gm, harness, ls, ls3, reprogram, smog, tach, wire, wiring

ls3 wire harness for crate engine install

boxmonkeyracing on Apr 24, 2008

Jun 6, 2018 08:20 AM
by Tyler Lucas

11

7,319

Conversions & Swaps

53, chevy, ecm, effect, hall, jeep, pulse, sensor, sine, speed, square, swap, tj, vss, wave, wire, wrangler

5.3 into Jeep VSS Question

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1 2)

davev78 on Jan 26, 2010

May 21, 2018 12:11 PM
by AHenry014

28

57,276

Conversions & Swaps

06, 2001, 97, bcm, camaro, cluster, ecm, ford, gm, instrument, mileage, pcm, reset, store, stored, tahoe

Is mileage stored in the PCM or gauge cluster?

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1 2)

fastta on Oct 31, 2005

Mar 7, 2018 07:53 PM
by rayrat

29

109,798

PCM Diagnostics & Tuning

2004, bench, computer, ecm, flash, harness, hp, silverado, top, tuners

bench flashing harness (sloppy style)

denmah on Aug 6, 2013

Mar 1, 2018 09:18 PM
by Chevynova71

11

15,570

Forced Induction

1999, 2005, 53, chevrolet, chevy, codes, ecm, engine, motor, performance, pull, silverado, siverado, upgrades, z71

2005 Chevy Z71 5.3 Something Not right

thenova70ss on Aug 16, 2012

Oct 17, 2017 09:25 AM
by Miranda Dechai

15

3,948

PCM Diagnostics & Tuning

2002, 98, 99, camaro, computer, differant, ecm, ks, ls1, pcm, repin, required, swap, tune, z28

98 ls1 Computer vs 99+

SmallBlock 383 on Feb 25, 2012

Aug 22, 2017 09:33 AM
by pantera_efi

15

28,985

New LS1 Owners - Newbie Tech

06, 2004, 2009, cts, ctsv, diagram, e67, ecm, ecu, gm, information, ls1, pin, pinout, schematics, wiring

E67 pinout and CTS-V schematics

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1 2)

95 LS1 Camaro on Mar 2, 2009

Jun 6, 2017 12:17 PM
by 12SEC SS

20

39,692

Conversions & Swaps

CBM MEFIpro™ TUNING & DIAGNOSTIC SOFTWARE

John at CBM on Apr 28, 2016

Jun 1, 2017 11:09 AM
by John at CBM

2

6,262

Sponsor Sales & Specials

04, 53, adapter, bypass, chevelle, ecm, gto, light, ls1, oil, outputs, plate, pressure, sensor, switch, voltage

oil pressure sensor questions

mikezohsix on Feb 15, 2011

May 30, 2017 03:06 PM
by jozw30

14

51,298

Conversions & Swaps

c3, control, e67, ecm, fan, gm, gmpp, lockout, ls2, ls3, pcm, pin, pinout, reverse, t56

Help with Pinouts GMPP LS3 E67 ECM

bshyster65 on Jun 15, 2013

May 23, 2017 10:44 PM
by badazz81z28

15

18,482

Conversions & Swaps

48, 53, 99, 99s10, change, clutch, ecm, engine, gmc, ls, motor, piston, pull, repin, sonoma

Taking a stab at an LS engine in my '99 Sonoma

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1 2)

oct03gto on Aug 22, 2008

Mar 15, 2017 11:55 AM
by jgh64pkup

39

25,257

Conversions & Swaps

2006, 33l, circuit, code, codes, ecm, ls2, open, p0123, p0223, p0651, performance, position, sensor, silverado, throttle, tp

Engine Code

wcryan on Feb 3, 2012

Jan 10, 2017 07:48 PM
by L&L

19

10,513

Cadillac CTS-V 2004-2007 (Gen I)

4cylinders, cylinders, durney, e40, ecm, engine, firing, ls1, ls1tech, ls2, removal, response, running, throttle, vats

LS2 Running on 4 cylinders....Help!

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1 2)

Durney on Oct 16, 2010

Dec 5, 2016 06:48 PM
by mrvedit

20

20,005

PCM Diagnostics & Tuning

2009, 4l60e, brake, build, conections, e38, ecm, engine, flashed, harness, ly6, out, signal, stand, switch, year

LY6 Stand Alone Harness?

R.Kelley on May 8, 2012

Nov 16, 2016 07:38 PM
by ccrane0044

11

13,870

Conversions & Swaps

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