p1637 - LS1TECH - Camaro and Firebird Forum Discussion

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1637, 2001, alternator, camaro, circuit, clicking, code, drop, generator, lterminal, p1637, pcm, terminal, trans, voltage

Getting Code P1637 Generator L-Terminal Circuit? Help Needed plz!

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1 2)

0235SS on Jun 8, 2010

Dec 30, 2020 02:36 PM
by Scop88

30

121,935

Western Members

al, alternator, circuit, connection, generated, generator, loose, ls1tech, lterminal, p1637, problem, terminal

P1637 Generator L-Terminal Circuit HELP!!!

Jpr5690 on Apr 18, 2006

Feb 22, 2017 10:25 PM
by BlueBird1999

4

13,390

PCM Diagnostics & Tuning

2002, alternator, c5, camaro, chevy, ground, ls1, p1637, sensor, wire, z28

P1637 after alternator replacement

Magnum51 on Jun 7, 2013

Jan 30, 2017 10:53 PM
by 5550racing

2

15,386

PCM Diagnostics & Tuning

2001, circuit, connection, generator, install, lid, ls1, ls1tech, p1637, slp, terminal, trans, tune

After SLP lid install car won't idle, dies?

brendo389 on Jan 12, 2014

Jan 21, 2014 09:42 PM
by LilBob72

19

3,411

New LS1 Owners - Newbie Tech

camaro, code, connector, fuel, gas, genarators, hptuners, ls1, mitsubishi, p1637, prime, pump, pumps, start, wont

P1637 code w/ no fuel pump prime

whiteboycntdnce on Mar 18, 2012

Aug 31, 2012 10:47 PM
by streetknight2

6

5,623

PCM Diagnostics & Tuning

camaro, code, ecmabs, ls1tech, ls3, p1637, p2098

Error Codes Help

FamousZ on Jul 7, 2012

Jul 7, 2012 09:44 PM
by FamousZ

1

1,038

General Maintenance & Repairs

2003, 2007, buy, cadillac, code, cts, dic, din, double, escalade, p1637, retaining, rotor, screen, screw

Completely new stereo is in. No issues. What's the big deal?

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1 2 3 4 5)

Blakt Out on Jun 21, 2011

Apr 10, 2012 08:36 PM
by howanicm

84

58,041

Cadillac CTS-V 2004-2007 (Gen I)

1637, car, crank, cranking, hot, long, ls1, ls1tech, ls3, p0107, p1637, pcm, start, starting, stop, swap

Will Error P1637 Prevent Car from Starting?

hbhc on Jan 10, 2011

Feb 21, 2012 11:01 PM
by hbhc

17

5,700

PCM Diagnostics & Tuning

1637, 2000, 2002, abs, blazer, camaro, chevy, circuit, computer, control, dtc, engine, p1637, po, ss

Dtc p1637 ecm/abs control module circuit network!!

SmokeU on Sep 28, 2011

Sep 29, 2011 02:07 PM
by SmokeU

2

8,385

Suspension & Brakes

2000, abs, canlink, circit, circuit, circuitnetwork, control, curcit, ecm, ecmabs, firebird, link, ls1, module, network, p1637, pontiac

P1637 CAN Link ECM/ABS Control Module Circuit/Network

SmokeU on Sep 17, 2011

Sep 26, 2011 04:33 PM
by SmokeU

7

11,487

PCM Diagnostics & Tuning

93, abs, circuit, circuitnetwork, cm, control, ecm, ecmabs, firebird, link, location, ls1, module, mudule, network, p1637, pontiac

Can't locate problem P1637 CAN Link ECM/ABS Control Module Circuit/Network

SmokeU on Jul 29, 2011

Aug 16, 2011 08:57 AM
by Beaugus0614

5

2,505

PCM Diagnostics & Tuning

1800, cable, fix, gas, give, high, hp, idle, idles, ls1, ls1tech, p1637, silverado, sticks, throttle, tuner, tuners, warm

High Idle

Denali08 on Aug 11, 2011

Aug 13, 2011 11:46 AM
by Denali08

4

1,502

PCM Diagnostics & Tuning

01, 2001, 2002, camaro, circuit, code, corvette, ecmabscm, jet, link, p1637, pcm, power, programmer, reads, service, silverado, ss

P1637 - Can Link ECM/ABSCM Circuit / Net Help

SmokeU on Jul 30, 2011

Aug 1, 2011 08:05 AM
by Oneslowz28

1

1,582

PCM Diagnostics & Tuning

clueless

VandykeT/A on May 9, 2011

May 13, 2011 05:22 PM
by VandykeT/A

5

695

General Maintenance & Repairs

camaro, car, code, dies, exciter, ls1, p0200, p1637, randomly, shut, shutting, ss, wire

Car randomly shut off...2 codes

Asian LSX on Apr 24, 2011

Apr 26, 2011 01:53 AM
by Asian LSX

5

1,219

General Maintenance & Repairs

p1637 and voltage surge.

cadenwade on Feb 9, 2011

Mar 19, 2011 01:16 PM
by 1 FMF

3

1,414

General Maintenance & Repairs

1637, 2001, alternator, battery, camaro, chevrolet, circuit, code, generator, gm, gmc, lterminal, p1637, starter, terminal

P1637 Generator L-Terminal circuit

WS6 Rampage on Nov 22, 2010

Dec 6, 2010 01:41 AM
by WS6 Rampage

12

14,211

PCM Diagnostics & Tuning

causing, code, drivable, hp, lack, misfires, p0300, p1637, power, problems, slow, start, terminal, transmission, tuners

P0300 and P1637

ls1fag on Nov 26, 2010

Dec 2, 2010 05:29 AM
by Quick99Si

1

1,582

PCM Diagnostics & Tuning

1637, 99, air, bank, camero, circuit, code, fix, generatorlterminal, ls1, p1416, p1637, secondary, system, trans

Code P1416 & P1637 How to Fix?

Pro Mouse on May 25, 2009

Nov 27, 2010 11:52 AM
by SmokingWS6

14

15,211

PCM Diagnostics & Tuning

01, 02, 2000, camaro, code, dtc, engine, firebird, ls1, ls1tech, p1637, service, ses, trans, z28

P1637 code.... Scratching my head

willystyle438 on Oct 13, 2010

Oct 14, 2010 01:58 PM
by willystyle438

6

5,166

Generation III Internal Engine

1637, 2001, altenator, alternator, buy, camaro, charging, code, genarator, generator, ls1, p1637, pcm, problems, terminal

Generator L Terminal P1637? / Possible alternator problem?

BlueZee28 on Mar 3, 2010

Sep 3, 2010 10:56 PM
by celalabama

11

36,779

PCM Diagnostics & Tuning

alternator, battery, fluctuating, gage, hp, idle, idleing, idling, ls1, mopar, normal, p1637, remove, tuners, voltage, volts

Normal voltage at idle? P1637

Tram on Apr 14, 2008

Jan 18, 2010 09:14 AM
by +badss+

9

7,406

Generation III External Engine

fouled, hemi, ls1, misfire, oil, p1637, plug, plugs, symtoms, tech

Random Misfiring Oil Fouled Plug Two SES Codes

EvilSVT on May 27, 2009

May 27, 2009 10:36 PM
by EvilSVT

0

696

General Maintenance & Repairs

1637, code, codes, gm, ls1, p0135, p1626, p1637, ses, trouble

WTF 3 Trouble Codes P0135,P1626 & P1637

Mellow61 on May 11, 2009

May 12, 2009 12:50 PM
by NoGo

1

1,193

PCM Diagnostics & Tuning

hi

camaro19973 on Apr 13, 2009

Apr 13, 2009 09:53 PM
by camaro19973

4

665

Generation III External Engine

abscm, camaro, can, circuit, ecm, ecmabscm, link, malfuction, malfunction, network, p1637

sorry P1637

kibZ28 on Mar 14, 2009

Mar 14, 2009 09:02 PM
by kibZ28

0

673

PCM Diagnostics & Tuning

camaro, chevrolet, code, f1, p1637, procharged

Starting Issues??

KrisXpc on Mar 5, 2009

Mar 8, 2009 07:18 PM
by KrisXpc

5

688

General Maintenance & Repairs

02, 1637, 2000, camaro, chevrolet, code, codr, engine, fix, generator, ls1, p0507, p1637, pcm, problems

engine code p1637

mmorellicamaross on Sep 20, 2008

Sep 28, 2008 08:49 AM
by mmorellicamaross

6

12,037

PCM Diagnostics & Tuning

2000, circuit, generator, gmc, lterminal, p1626, p1637, sierra

sorry for the redundancy

mglooper on Sep 18, 2008

Sep 19, 2008 01:49 PM
by mglooper

3

1,029

PCM Diagnostics & Tuning

P1637 diagnostic results opinion needed

9000th01ss on Aug 30, 2008

Aug 31, 2008 07:53 AM
by The Alchemist

9

1,769

PCM Diagnostics & Tuning

02, 12v, 65, alt, alternator, body, charges, gm, harness, ls1, ls1tech, p1637, pin, rapidshare, sfl, sonoma, vette

02' vette alt using 02' f-body harness/PCM into 02' sonoma

01WS6/tamu on Apr 4, 2008

May 21, 2008 08:19 AM
by Scoggin Dickey

10

2,891

Conversions & Swaps

Trouble shooting P1637?

Tram on Apr 13, 2008

Apr 22, 2008 12:22 PM
by Tram

6

1,208

PCM Diagnostics & Tuning

0300, 2000, boost, c5, code, corvette, dic, ls1, misfire, p0101, p0300, p0443, p1637, po, random

Several codes P0300, P0443, P0101, P1637

ele-blue95 on Mar 17, 2008

Apr 22, 2008 12:21 PM
by Tram

7

1,644

Corvette Performance

P0300 and P1637 - "blinking" Odometer?

Tram on Apr 9, 2008

Apr 12, 2008 03:02 PM
by Tram

1

867

PCM Diagnostics & Tuning

P0332 code

00hawk120 on Mar 19, 2008

Apr 5, 2008 11:41 AM
by mikenews

2

786

PCM Diagnostics & Tuning

car, dies, dtc, gm, ls1, ls1tech, p1518, p1637, starts

Car starts but dies soon after - DTC P1637

Datsun350Z on Mar 2, 2008

Mar 2, 2008 09:26 PM
by Datsun350Z

1

1,306

PCM Diagnostics & Tuning

1637, 2001, code, code1637, error, gm, ls1, p1637, pcm, po1637code, ses, transam

Q. on code 1637

Michael02hawk on Aug 10, 2006

Dec 22, 2007 01:23 PM
by 2001NBMZ28

3

1,255

PCM Diagnostics & Tuning

1637, alternator, camaro, causing, code, dtc, e38, inspection, link, ls1, p1637, pass, pcm, swap, wire

Another P1637 story...

LS1vazquez on Oct 28, 2007

Nov 1, 2007 12:57 PM
by TXCAMSS

6

1,678

PCM Diagnostics & Tuning

atlanta, battery, c5, charge, charging, code, corvette, fault, grounds, p1637, p1638, ring, service, system, terminals, z06

charge system fault

c5_ls1_6spd on Sep 21, 2007

Sep 21, 2007 09:12 PM
by Silverz0hsik

4

6,269

Corvette Performance

1637, code, corvette, fault, gm, gmc, install, installing, ls1, obdii, p1637, pcm, read, rough, running, terminal

New PCM install and Code P1637

C3vette75 on Sep 9, 2007

Sep 10, 2007 04:54 AM
by Eurospec2

1

3,974

PCM Diagnostics & Tuning

Help P1637

JonB on Aug 3, 2007

Aug 4, 2007 06:03 PM
by JonB

5

1,415

General Maintenance & Repairs

Help........tons of codes........

BADBOYZ28 on Jun 1, 2007

Jun 3, 2007 03:42 PM
by BADBOYZ28

4

694

Texas Members

P1637 Success story, thought this should be out there

DirtyJohn on May 10, 2007

May 14, 2007 09:27 AM
by The Alchemist

1

2,027

PCM Diagnostics & Tuning

p1637, Think I found my gremlin?

DirtyJohn on May 6, 2007

May 10, 2007 11:02 PM
by DirtyJohn

3

789

General Maintenance & Repairs

15306009, altanator, alternator, alternators, code, fix, gm, gm15306009, p1637, phoenix, pigtail, plug, plugs, repair, socket, trans

cheaper fix for p1637(plug on alternator)

Phoenix 5.7 on Mar 27, 2007

Mar 27, 2007 06:09 PM
by Phoenix 5.7

2

2,396

PCM Diagnostics & Tuning

1999, camaro, circuit, code, engine, fix, generator, humid, l, ls1, lterminal, misfires, p0300, p1637, terminal

Help! P1637 Code

TWS on Apr 13, 2006

Mar 20, 2007 11:19 PM
by Dmoney

10

4,233

PCM Diagnostics & Tuning

Still having some problems, help!

Enthusiast on Jun 28, 2006

Aug 12, 2006 02:04 PM
by TWISTEDTA

5

802

PCM Diagnostics & Tuning

Service Vehicle Soon and Charge system faultBr

Enthusiast on Aug 1, 2006

Aug 6, 2006 10:30 PM
by Enthusiast

3

596

PCM Diagnostics & Tuning

2002, corvette, error, flow, header, install, installation, lg, long, longtube, motorsports, p0153, p1637, pro, rear, tube, z06

LG Motorsports Long Tube Pro header install results

Rich Z06 on Apr 16, 2006

Apr 19, 2006 03:43 PM
by Rich Z06

5

1,152

Corvette Performance

2002, camaro, circuit, code, error, generator, gm, light, ls1, lterminal, mil, p1637, silverado, terminal, yukon

anyone do a swap and get P1637 Generator L terminal circuit?

TT_Vert on Jan 3, 2006

Jan 21, 2006 11:10 AM
by TT_Vert

12

10,381

Conversions & Swaps

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