reverse only with 0700 code - Chevy and GMC Duramax Diesel Forum

01-04.5 LB7 Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.

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post #1 of 19 (permalink) Old 01-14-2013, 01:38 PM Thread Starter
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reverse only with 0700 code

Ok so this weekend I did the high idle mod. Mod works but now I lost reverse. But it will trip the 0700 code and go into limp mode and then I will have reverse. I've disconnected and reconnected the ecm plugs but nothing has changed. Could the trans module on the side of the trans gone again? Any help would be great. It sucks not having reverse!!

02 3500 LB7 DRW LS crew cab 4x4.
Mods:Predator, CAI, Straight through Pypes 3.5 muffler, Alcoas
92 GMC Typhoon
13.25 @ 99 mph on stock 113K motor
Mods: 30 over 4.3 ltr V-6, 2.02/1.60 L-35's,20G,
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post #2 of 19 (permalink) Old 01-14-2013, 01:41 PM
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you need to share specific codes, 0700 is just a generic one...

Trey

01 gmc sierra slt crew cab 4x4 6.6 dmax, efi live by Idaho Rob,
315/75/16 Goodyear Duratracs on 16" Moto Metals,
3" body lift, 5" Diamond Eye straight pipe with 7" tip,
Z Series Autometer Boost and Pyro, 6k Highs 8k Lows and 3K fogs, tinted windows
cat adapter and donaldson filter, adII
horn intake mod, tinted tails, lots of plasti dip
led interior and dash lights, retros led reverse lights

Big thanks to ATP TRUCKS and ALLIGATOR PERFORMANCE
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post #3 of 19 (permalink) Old 01-14-2013, 01:45 PM Thread Starter
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My tuner only gives me the 0700 code.

02 3500 LB7 DRW LS crew cab 4x4.
Mods:Predator, CAI, Straight through Pypes 3.5 muffler, Alcoas
92 GMC Typhoon
13.25 @ 99 mph on stock 113K motor
Mods: 30 over 4.3 ltr V-6, 2.02/1.60 L-35's,20G,
TunerProRT,Moates Software
92 GMC Typhoon
92 GMC Syclone, Ultimate 10n1 chip
92 TY 1173 is offline  
post #4 of 19 (permalink) Old 01-14-2013, 01:47 PM
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go to a shop or find a snap-on or tech 2, or someone with an autocal.. 0700 is just a generic tcm code, could be hundreds of things going on...

Trey

01 gmc sierra slt crew cab 4x4 6.6 dmax, efi live by Idaho Rob,
315/75/16 Goodyear Duratracs on 16" Moto Metals,
3" body lift, 5" Diamond Eye straight pipe with 7" tip,
Z Series Autometer Boost and Pyro, 6k Highs 8k Lows and 3K fogs, tinted windows
cat adapter and donaldson filter, adII
horn intake mod, tinted tails, lots of plasti dip
led interior and dash lights, retros led reverse lights

Big thanks to ATP TRUCKS and ALLIGATOR PERFORMANCE
suttert is offline  
post #5 of 19 (permalink) Old 01-14-2013, 01:49 PM Thread Starter
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Yeah and they all want to charge you an hour rate for a 5 minute job.

02 3500 LB7 DRW LS crew cab 4x4.
Mods:Predator, CAI, Straight through Pypes 3.5 muffler, Alcoas
92 GMC Typhoon
13.25 @ 99 mph on stock 113K motor
Mods: 30 over 4.3 ltr V-6, 2.02/1.60 L-35's,20G,
TunerProRT,Moates Software
92 GMC Typhoon
92 GMC Syclone, Ultimate 10n1 chip
92 TY 1173 is offline  
post #6 of 19 (permalink) Old 01-14-2013, 01:55 PM
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umm... advanced auto parts or napa or similar stores, one of them should have a code reader that can give you detail.... or some tuners will... i think a ppe does. gotta have a freind who can read them..

Trey

01 gmc sierra slt crew cab 4x4 6.6 dmax, efi live by Idaho Rob,
315/75/16 Goodyear Duratracs on 16" Moto Metals,
3" body lift, 5" Diamond Eye straight pipe with 7" tip,
Z Series Autometer Boost and Pyro, 6k Highs 8k Lows and 3K fogs, tinted windows
cat adapter and donaldson filter, adII
horn intake mod, tinted tails, lots of plasti dip
led interior and dash lights, retros led reverse lights

Big thanks to ATP TRUCKS and ALLIGATOR PERFORMANCE
suttert is offline  
post #7 of 19 (permalink) Old 01-14-2013, 03:08 PM Thread Starter
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oh yeah 1 other thing when the code is erased my airbag light on my dash flashes constantly. But if it goes into limp mode that stops blinking.

02 3500 LB7 DRW LS crew cab 4x4.
Mods:Predator, CAI, Straight through Pypes 3.5 muffler, Alcoas
92 GMC Typhoon
13.25 @ 99 mph on stock 113K motor
Mods: 30 over 4.3 ltr V-6, 2.02/1.60 L-35's,20G,
TunerProRT,Moates Software
92 GMC Typhoon
92 GMC Syclone, Ultimate 10n1 chip
92 TY 1173 is offline  
post #8 of 19 (permalink) Old 01-14-2013, 05:06 PM Thread Starter
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Anybody got anything else?

02 3500 LB7 DRW LS crew cab 4x4.
Mods:Predator, CAI, Straight through Pypes 3.5 muffler, Alcoas
92 GMC Typhoon
13.25 @ 99 mph on stock 113K motor
Mods: 30 over 4.3 ltr V-6, 2.02/1.60 L-35's,20G,
TunerProRT,Moates Software
92 GMC Typhoon
92 GMC Syclone, Ultimate 10n1 chip
92 TY 1173 is offline  
post #9 of 19 (permalink) Old 01-15-2013, 05:47 AM Thread Starter
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So I got the code. Its a p0876, trans pressure switch reverse circuit stuck open.
Now what?

02 3500 LB7 DRW LS crew cab 4x4.
Mods:Predator, CAI, Straight through Pypes 3.5 muffler, Alcoas
92 GMC Typhoon
13.25 @ 99 mph on stock 113K motor
Mods: 30 over 4.3 ltr V-6, 2.02/1.60 L-35's,20G,
TunerProRT,Moates Software
92 GMC Typhoon
92 GMC Syclone, Ultimate 10n1 chip
92 TY 1173 is offline  
post #10 of 19 (permalink) Old 01-15-2013, 06:13 AM
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never heard of that one bud, just keep bumping this thread up every day once or twice, and someone will chime in that knows. good luck!

Trey

01 gmc sierra slt crew cab 4x4 6.6 dmax, efi live by Idaho Rob,
315/75/16 Goodyear Duratracs on 16" Moto Metals,
3" body lift, 5" Diamond Eye straight pipe with 7" tip,
Z Series Autometer Boost and Pyro, 6k Highs 8k Lows and 3K fogs, tinted windows
cat adapter and donaldson filter, adII
horn intake mod, tinted tails, lots of plasti dip
led interior and dash lights, retros led reverse lights

Big thanks to ATP TRUCKS and ALLIGATOR PERFORMANCE
suttert is offline  
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