Threads Tagged with pcm

Will a 160* Stat delay closed loop operation?

Shifter6 on Apr 5, 2012

Dec 17, 2025 07:40 AM
by robert.m.kalis

16

2,215

1997, 1999, 2001, 2004, battery, c5, c6, cars, computer, corvette, disconnect, pcm, reset, resetting

Best Way to Reset my Computer

Vixin on Oct 25, 2001

Nov 14, 2025 06:50 PM
by jdmvette

10

11,869

1992, 92, c4, control, corvette, disassemble, disassembled, ecm, engine, gm, module, paint, pcm, remove, repair

How do I disassemble a 1992 ECM?

Red Sleeper on Nov 7, 2010

Aug 18, 2025 02:13 PM
by Tz1740

10

8,977

19971998, 1998, bypass, colum, column, corvette, coulmn, difference, lock, ls1, models, pcm, service, steering, unlock

Sticky

Steering Column Lock FAQs - please read before you post (sticky please)

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Cscokd on Feb 14, 2005

Aug 17, 2025 03:27 PM
by Spider978

2,014

819,480

babd, bad, check, corvette, dead, denver, failure, fan, flashed, fuses, gm, icm, knw, pcm, symptoms, symptomsobd

how do you know when the PCM is bad????????????

Bob Mosaic on Sep 25, 2003

Jun 10, 2025 09:51 AM
by 89C4L98

18

2,784

02, 12200411, 97, 98, 99, c5, camaro, corvette, flash, harness, pcm, pin, pinout, pinouts, troubleshoot

HOW TO 99-02 PCM into 97-98 Corvette

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euro@EFIAlchemy.com on Jul 6, 2007

May 21, 2025 02:33 AM
by Vetteman Jack

145

100,885

C5 Forced Induction/Nitrous

dr, dyno, lt1, pcm, phil, tune, tuning, turbo, twin

Dr. Phil?????

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1 2 3)

leon.zeus on Jun 14, 2008

Apr 18, 2025 05:41 PM
by Mike94ZLT1

41

4,540

1f, 85, corvette, ecm, grade, parameter, pcm, upgrade

Poll

Upgrade 85 ECM?

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1 2)

nonetooclose on Feb 18, 2006

Feb 26, 2025 12:44 PM
by kentsimon

30

8,989

aligning, bad, cam, corvette, firing, install, installed, low, opti, optical, optispark, pcm, pix, position, res, sending, sensor, test, troubleshoot

New optispark not working, help asap

Goldenboyws6 on Feb 12, 2010

Dec 5, 2024 04:37 PM
by Aug80##

14

5,634

2008, b0432, bcm, c5, causing, circuit, corvette, data, issues, malfunction, moisture, pcm, pcmbcm, pcmbcmclstr, wiring

Help me confirm a PCM/BCM issue?

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1 2)

kimbo305 on Jul 1, 2011

Jun 14, 2024 06:02 PM
by C5 Diag

22

8,061

07, 12612384, 2006, 2007, 2008, access, c6, chevy, corvette, e38, ecm, ecu, pcm, trucks, year

[Z06]

PCM/ECU questions.

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paisa427 on May 8, 2011

Apr 12, 2024 10:00 PM
by KENS80V

71

39,604

C6 Corvette ZR1 & Z06

0440, 10, 10pcm, 10pcmpo440, 2004, c5, code, codes, corvette, diagnostic, full, gas, p0440, pcm, pcm10, tank

10-pcm p0440 code

drtyTshrt on Jan 13, 2010

May 13, 2023 11:36 AM
by grinder11

7

14,835

1571, 1997, 99, asr, c5, cicuit, code, corvette, desired, fuse, p1571, pcm, race, request, torque, vette

P1571 ASR Desired Torque

canadian99c5 on Oct 9, 2011

Feb 13, 2023 08:52 AM
by Autotragic

4

11,475

16159278, 93, c4, computer, corvette, diagram, diagrams, location, lock, lt1, optispark, pcm, pinout, vapor, wiring

'93 LT1 PCM Pinout diagram

mechanic58 on Apr 13, 2008

May 11, 2022 09:45 AM
by rrwebster

14

28,404

c4, corvette, corvettes, e38, e67, files, free, gm, hacking, hp, pcm, programs, software, tuner, tuning

Tuning software?

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1 2)

Mr Evolution on Feb 9, 2009

Mar 2, 2021 04:47 PM
by schpenxel

36

12,246

C6 Scan & Tune

16181333, 16188051, camaro, corvette, ecm, ecu, knock, lt1, nitrous, pcm, program, remanufactured, send, sensor, work, z28

Can a Camaro LT1 PCM be Used in a Corvette?

Kubs on Jul 12, 2011

Nov 10, 2020 11:06 AM
by Nomake Wan

14

10,024

10, c5, codes, corvette, fast, fuses, ls1, o2, p0442, p1515, p1516, pcm, reading, sensor, sensors, xfi

PCM not reading Oxygen Sensors?

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Blakeman on Apr 17, 2010

Sep 7, 2020 11:28 AM
by C5MSG2004Vert

57

40,011

3400, 90mm, 98, c5, corvette, engine, low, ls1, message, pcm, power, reduce, reduced, sct, sir, tb, wiring

Recieved the Infamous "REDUCED ENGINE POWER" message :/

98tadriver on Sep 9, 2011

Jul 28, 2020 03:57 PM
by LeoLivinLife

17

50,995

C6 Forced Induction/Nitrous

body, camaro, corvette, diagram, ecu, engine, gauge, harness, ls, needed, pcm, ready, removing, swap, swapping, wiring

LS swap PCM/wiring thread

Quil on May 5, 2012

Feb 11, 2020 03:00 PM
by RowdyMT

16

13,292

C3 Tech/Performance

P0300?

MARSC6 on May 21, 2011

Feb 10, 2020 07:36 PM
by omspray

17

9,527

9798, 98, boost, c5, corvette, handle, hp, pcm, tuners, tuning

Tunning for 17-19lbs of boost on a 98 pcm

00cls1camaross on Apr 18, 2010

Feb 8, 2020 08:55 PM
by Capt Mike

16

6,431

c4, corvette, engine, gas, l98, location, lt1, mileage, pcm, pcmforless, reviews, stock, tune, tuning, worth

Considering a PCMforless tune - is it worth it on a mostly stock setup?

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npbassman on Apr 18, 2012

Aug 11, 2019 08:00 AM
by 93 ragtop

79

23,151

02, 05v, 06, c6, e38, ecm, ecu, egr, gm, input, outs, pcm, pin, pinout, wideband

EGR pin for '08 corvette

ktoonsez on Jan 3, 2009

Jun 27, 2019 07:51 PM
by Ahrmike

17

7,486

C6 Scan & Tune

97, corvette, crank, crankshaft, dies, forum, loss, ls1, lt1, pcm, position, power, reluctor, sensor, separated, wheel

Crankshaft Reluctor Wheel what happens If

97Redflame on Mar 9, 2003

Jan 30, 2019 06:00 PM
by ASRoff

16

18,285

2006, c5, canister, check, code, codes, corvette, emission, engine, evaporative, pcm, pull, solenoid, valve, vent

PCM check engine code

SteveDR425 on May 9, 2008

Dec 9, 2018 07:33 PM
by walleyejack

7

19,200

004, amp, battery, c5, corvette, current, drain, draw, meter, ohm, pcm, sleep

Battery Drain

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1 2)

vettmanjj on Jul 9, 2005

May 25, 2018 12:26 PM
by v6turbo87

30

3,820

2004, 2006, 2007, 2008, corvette, diagram, e38, e67, e67ecm, ecm, list, ls3, pcm, pinout, pinouts

LS3 / E67 ECM pinout needed

Agent13 on Apr 12, 2010

May 23, 2018 10:40 PM
by XX

7

53,757

C6 Corvette General Discussion

PCM removal was very easy

Shanezam203 on Sep 2, 2008

Feb 13, 2018 09:10 PM
by CrazyKZ-777

12

10,001

2004, bcm, body, c5, computer, connectors, control, corvette, electrical, fuse, location, module, pcm, powertrain, relearn, wet

Need help..No comm. w PCM/BCM/TCS etc.

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exploder on Mar 31, 2009

Nov 23, 2017 12:10 AM
by emclass

112

70,922

22, 24x, 99, c4, changing, corvette, crank, firing, low, ls, order, pcm, reluctor, resolution, ring

24x conversion...

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merlot566jka on Mar 29, 2012

May 29, 2017 12:33 AM
by 1993C4LT1

167

62,173

1631, 2001, 2721, b, b2721, c5, chevrolet, code, corvette, deterrent, fix, p1631, pcm, relay, stuck, theft

P 1631 AND B 2721. PASS Key and Theft deterrent. Help!

00Corvette on Oct 27, 2009

Jan 2, 2017 04:20 PM
by Chris Murphy

8

5,563

2004, c5, car, check, chevrolet, chevy, code, corvette, covette, dtc, emission, engine, p0492, pcm, trouble

Check engine code P0492?

Retrowax on Jul 8, 2009

Nov 7, 2016 07:48 PM
by Z06 Sleeper

10

18,147

1997, 1999, 2008, borfa, c5, corvette, discription, ground, ignition, isnt, key, pcm, problem, problems, switch, turning

Ignition Switch Problem?

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1 2)

bassman12350 on Sep 29, 2008

Apr 19, 2016 05:46 PM
by phonetec3373

21

5,761

acronym, bnb, corvette, corvettes, fo, for, letters, pcm, stand, stands, truck, z06, zr, zr1, zr1stand

What does ZR1 stand for?????

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1 2)

LT4BUD on Apr 10, 2008

Mar 17, 2016 09:02 PM
by Doughan

38

27,831

C4 General Discussion

calibration, corvette, density, e38, efi, hp, iat, live, ls7, maf, pcm, speed, tune, tuners, tuning

Speed Density tuning for the ZO6 LS7 E38 PCM...anyone done it?

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1 2)

JMB on Feb 4, 2010

Feb 13, 2016 07:51 PM
by Lee Howie

23

17,748

C6 Scan & Tune

11, 2002, 2007, c5, corvette, crank, crankshaft, crappy, ls1, p1336, pcm, position, relearn, replace, run, sensor, tech

Crank Position Sensor Relearn

themonk on Nov 26, 2008

Jan 4, 2016 06:32 AM
by Pounder

8

5,155

C5 Forced Induction/Nitrous

1995, 1996, 1999, 94, bracket, broke, c4, computer, corvette, ecm, ecu, emc, mount, mounting, pcm, support

ECM bracket on LT4

Elrick on Apr 9, 2011

Aug 1, 2015 12:19 AM
by gdl2165

15

6,466

C4 General Discussion

04, 12570790, 12605109, 2000, 2008, body, c5, codes, gm, ls3, pcm, silverado, tb, throttle, work

Will a LS3 Throttle Body from 09+ work with a 04 PCM

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1 2)

Mike04 on Oct 20, 2011

Apr 10, 2015 01:07 PM
by MVP'S ZO6

25

9,535

1989, 1993, 22, 93, c4, code, corvette, density, ecm, ecms, guide, location, pcm, speed, tuning

Sticky

Corvette Forum ECM-PCM Tuning Section FAQ

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Marcho Polo on Dec 17, 2001

Jan 19, 2015 10:30 PM
by kevinpepsimech

160

160,468

C4 Scan & Tune

88961148, 95, 95lt1, c4, corvette, ecm, ecu, find, lt1, pcm, pmc, problem, problems, replace, replacing, tune

95 LT1 PCM replacement problems. newbie

mike95lt1 on Oct 22, 2004

Nov 19, 2014 08:40 AM
by MrWillys

4

12,414

2005, 2008, battery, c6, corvette, drain, error, failed, navigation, pcm, procedure, programing, programming, reprogramming, tech, update

Tech 2 fails during pcm/vcm programming

eeeny on Oct 27, 2011

Oct 13, 2014 08:31 PM
by Z06Brucey

8

7,869

accurate, air, c5, c6, cold, corvette, coupler, couplers, important, intake, ls2, maf, pcm, signal, silicone, smooth

Silicone air intake coupler

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1 2)

thenorthwoods on Jul 8, 2010

Sep 10, 2014 07:15 AM
by tennblkc6

23

24,082

2002, asr, circuit, code, control, corvette, desired, dtc, engine, p1571, p1571c, pcm, request, torque, traction

What does code P1571 mean?

JCOB2 on Jun 1, 2003

Sep 6, 2014 02:23 AM
by scottsphoto2

7

39,704

Autocrossing & Roadracing

2002, 704, c5, c6, check, circuit, clear, clutch, code, corvette, engine, firehawk, light, p0704, pcm, switch, trouble

PCM P0704 Code Question Please!!

hisvett on Feb 11, 2007

Aug 21, 2014 10:43 AM
by lefrog

8

6,090

2001, c5, check, code, codes, corvette, dtc, emission, engine, fix, fuse, light, p0410, pcm, s10

Code P0410 won't go away

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1 2)

FASST LN on Jul 3, 2007

Jul 9, 2014 12:49 AM
by GenerationX1

32

12,700

2002, 2003, corvette, corvetteforum, difference, pcm, swap

PCM swap from 2004 to 2002

BLOWNBLUEZ06 on Feb 9, 2012

Feb 2, 2014 11:23 PM
by Dirty 30

4

3,557

1546, anna, asr, c5, code, codes, corvette, desired, fix, ohio, p1545, p1546, p1571, pcm, torque, tuner

P1545 P1546 P1571 codes - anyone fix?

Berger6696 on Jun 7, 2008

Jan 18, 2014 12:24 AM
by dwbdwb1

11

10,191

C5 General

92, body, cold, corvette, dbw, engine, ls1, ls3, pcm, power, problem, reduced, running, start, throttle, vette, work

2009+ LS3/LS7 Throttle Body in a c5 question...

stangin4lyfe on Aug 21, 2010

Nov 29, 2013 11:59 AM
by Poppa G

13

11,709

, 1985, bank, batch, diagram, error, fire, injector, lt1, p600b, pcm, pulse, setup, signal, tbi, tpi

Batch fire or bank fire?

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1 2)

Redeasysport on Jan 25, 2009

Jul 23, 2013 02:51 PM
by QZRBLU

25

18,725

c4, corvette, forum, install, pcm, pcmforless, results, shipping

pcmforless.com - results on stock 1990

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1 2)

BadjerJim on Nov 21, 2006

May 24, 2013 07:00 PM
by LT4 F45

29

6,924

1571, 28, 58sdm, abs, c5, code, coevette, comm, corvette, diag, nocomm, pcm, tcs, u1040hc, wiring

10 PCM P1571HC, 28 TCS No Comm, 58 SDM U1040HC, ABS/Trac Lights

s2kvince on Aug 7, 2011

Mar 18, 2013 01:09 PM
by Vette_DD

6

4,456

2001, 2003, c5, corvette, csv, diagram, file, open, pcm, pin, rpm, wideband, wire, wiring, zo6

Wideband Commander RPM wire???

SideStep on May 19, 2004

Feb 12, 2013 10:41 PM
by camarozz

15

1,800

c5, car, chrysler, corvette, ecm, key, light, ls1, lt1, models, pcm, reflash, relearn, security, start, wont

Reflashed PCM now wont start!!

Guidosarducci62 on Mar 29, 2011

Dec 11, 2012 03:27 PM
by tom01ss

8

5,564

16181333, 94, 95, computer, corvett, corvette, corvettes, ohio, pcm, sale

FS: OBDI 94-95 Corvette (16181333) PCM/Computer

madwolf on Apr 6, 2003

Nov 29, 2012 09:21 AM
by vetteoz

2

2,197

C4 Parts for Sale/Wanted

87, 87corvette, c4, c6, chio, chip, chips, computer, corvette, install, installation, pcm, pcmforless, performance, stock, vette

Install help for PCMforless chip -- 87

bman2232 on Apr 6, 2006

Oct 24, 2012 10:44 PM
by Ricky 91 vette

5

2,547

1997, 2500, 95, catalytic, chevy, communicate, compliant, converter, corvette, flashing, lt1, obd1, obd2, pcm, scan, tool

OBD1 to OBD2 on a 94?

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1 2)

GS4-LT1 on Mar 25, 2012

Aug 15, 2012 12:11 PM
by TorchTarga94

21

25,478

brighton, car, corvette, garage, gtos, guys, howell, ls1, lt1, mi, michigan, pcm, reviews, tune, tuning

The car guys in brighton michigan - anybody experience?

wSc*daywalker on Apr 13, 2012

Jul 7, 2012 05:18 PM
by wSc*daywalker

10

3,641

[Z06]

Dumb Question ???

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1 2)

ZEE-OH-6 on May 8, 2012

May 20, 2012 10:00 AM
by ZEE-OH-6

33

3,592

C5 General

1990, 19901991, 1991, c4, corvette, covette, ecm, ecmpcm, location, parts, pcm, remanufactured, zr1

FS: PCM/ECM 1990-1991 Corvette

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1 2)

kvette89 on Jun 15, 2009

May 7, 2012 04:11 PM
by theguardian

24

2,728

C4 Parts for Sale/Wanted

Installing PCM

Slammedc5.. on May 6, 2012

May 6, 2012 07:52 AM
by Radicaltimes

1

1,016

96 LT1 PCM to Cluster Comm.

89'Bowtie on May 2, 2012

May 5, 2012 08:45 PM
by 89'Bowtie

5

839

2008, 94, 96, central, control, corvette, corvettes, diagram, diagrams, module, pcm, tapping, traction, wire, wiring

wiring diagrams

gungatim on May 2, 2012

May 4, 2012 07:47 PM
by Hooked on Vettes

9

7,783

C4 General Discussion

01, code, coming, corvette, dic, key, light, p1631, p1631c, pcm, programming, reset, security, tech

So frustrated with security light/P1631

sdfreitag86 on Apr 26, 2012

Apr 27, 2012 04:37 PM
by sdfreitag86

5

21,048

C5 General

2001, 97, air, code, corvette, injection, intake, malfunction, p0410, pcm, photo, po410, sec, secondary, system, z06

PCM P0410 Secondary Air Injection System Malfunction

mph1972 on Aug 4, 2009

Apr 26, 2012 11:29 AM
by Mike Levitt

5

7,817

1993, 306, 92, 9278, c4, cam, corvett, corvette, ecm, gm, lt1, pcm, pinout, pinouts, tuning

Desperatly need the pinout to the 9278 (93)lt1 Ecm

Baldturbofreak on Aug 18, 2005

Apr 21, 2012 11:10 AM
by James93LT1

13

7,219

engine, houston, lt1, pcm, performance, tuning

LT4 PCM Editing in Houston area?

SanJacRT on Apr 12, 2012

Apr 17, 2012 01:59 AM
by DownLowD

3

1,756

93, automatic, c5, computer, conversion, corvette, engine, fbody, learn, manual, neutral, pcm, safety, speed, swap, switch, transmission, zr1

6 SPEED to AUTO SWAP & AUTO to 6 SPEED SWAP: 2 GUYS

NEMESISVETTE on Apr 4, 2012

Apr 13, 2012 11:41 AM
by STLSPARKY

10

6,314