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12-07-2012, 09:01 AM
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#1 (permalink) |
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Diesel Enthusiast
Join Date: Dec 2012
Posts: 3
iTrader Score: 0 reviews
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glow plug controller problems and more
my truck hasn't been starting well in the cold, found a code saying there's no communication with glow plug controller. replaced the controller and i still have the same problem and code.
also have a fuel temp to high code popping up even below freezing when i first start my truck and my fuel economy display is way off 9.5L/100km or 22mpg and I'm only getting hand calculated 17mpg. do I have a wiring issue somewhere i cant find? any helps great, thanks.
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2005 Chevy 2500hd LLY Duramax CCSB 4x4, EGR blockoff, gutted stock exhaust, air box mod, bully dog gt, 7"BDS lift. |
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12-07-2012, 01:32 PM
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#2 (permalink) |
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Diesel Master
Join Date: Jan 2011
Location: On the island, NY
Posts: 1,017
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Iirc the new glow plug control module has to be programmed by the dealer.
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UWUA AFL-CIO Local 1-2 05 dirtymax 2500 CCSB 4X4-197, 000 miles  PPE Standard, Edge insight, Silverline 4" straight pipe, 265 transforce, Bilstein 5100s, pcv rerouted, egr blocked, kitty delete, AFE turbo inlet, and a bunch of little stuff. *WTB-03-07 chevy 2500 front bumper and plastics* |
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12-07-2012, 06:57 PM
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#3 (permalink) | |
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Diesel Enthusiast
Join Date: Dec 2012
Posts: 3
iTrader Score: 0 reviews
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Quote:
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2005 Chevy 2500hd LLY Duramax CCSB 4x4, EGR blockoff, gutted stock exhaust, air box mod, bully dog gt, 7"BDS lift. |
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12-08-2012, 02:13 AM
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#4 (permalink) |
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Diesel Master
Join Date: May 2007
Location: Vancouver Island, BC
Posts: 3,082
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Armed Forces Club Member Alberta Coal Rollers Member |
No programming is needed. When mine went out, R&R'd it and it was like new. If yours is not communicating, there's something else at work...or not in this case. Did you check the relays and fuses to make sure they are all firing?
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04 LLY CC/SB Bilstein 5100s H2's with 265s PPE 120HP Tune PPE Stage 4 Trans - Built by me with an ML TC EGR blocked, unplugged and turned off AEM intake, Plugged resonator, LBZ MP - best intake for an LLY IMO Custom tranny cooler - by ME Magnaflow 4" stainless turbo back duals Autometer Coblat Triple Pillar FS-2500 bypass with Top Dog Oil filter adapter  "For those of you who confuse horsepower with torque, horsepower is how fast you hit the wall;torque is how far you shove it back when you hit it" |
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12-08-2012, 02:49 PM
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#5 (permalink) |
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Diesel Enthusiast
Join Date: Dec 2012
Posts: 3
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alright thanks, that's what i thought. ill have to go through it all next week.
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2005 Chevy 2500hd LLY Duramax CCSB 4x4, EGR blockoff, gutted stock exhaust, air box mod, bully dog gt, 7"BDS lift. |
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12-09-2012, 04:27 PM
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#6 (permalink) | |
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Diesel Master
Join Date: Oct 2005
Location: Sudbury Ontario Canada
Posts: 1,814
iTrader Score: 0 reviews
Ontario Diesel Place Chapter Member Alberta Coal Rollers Member |
Quote:
Mine has been starting rough but no CEL. The OnStar email I get shows that I have an Engine Issue that needs attention. I used OnStar they scanned it and gave me P00671 which doesnt exist in the DTC lookup tool (or the tool isnt working) and it was a Glow Plug Module issue. Gonna be looking into this a little further see if I can reverse seach and try to match up the code they gave me.
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2005 Chev 2500 HD LT 4X4 CCSB DMax / Allison Onyx Black ext, Dark Charcoal interior, Tint Astrostart 2205 06 Manual Extend Camper Mirrors MOTTO MT700 Chromes with 285 65 18's BFG MBRP "COOL DUAL" - Stainless w/cat delete Prodigy Brake controller Merchant Auto Competition Transmission w/transfer case pump rub upgrade and brace. Cognito Pitman and Idler Arm braces, Stainless SD Tie Rod Sleeves BOSS 9'2" Poly V Plow Autometer Ultra Lite II's (boost, pyro, oil temp) DSP5 / EFI Live Tuning by SPi PCV re-route Kodiak Mouthpiece TLFTN Member #34
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12-09-2012, 06:21 PM
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#7 (permalink) |
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Diesel Master
Join Date: May 2007
Location: Vancouver Island, BC
Posts: 3,082
iTrader Score: 0 reviews
Armed Forces Club Member Alberta Coal Rollers Member |
P0671 is the code for the glow plug on number one cylinder. I didn't even look it up, I just know what it is. If you get P0670, then its the module. The plugs are all numbered 1-8 though.
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04 LLY CC/SB Bilstein 5100s H2's with 265s PPE 120HP Tune PPE Stage 4 Trans - Built by me with an ML TC EGR blocked, unplugged and turned off AEM intake, Plugged resonator, LBZ MP - best intake for an LLY IMO Custom tranny cooler - by ME Magnaflow 4" stainless turbo back duals Autometer Coblat Triple Pillar FS-2500 bypass with Top Dog Oil filter adapter "For those of you who confuse horsepower with torque, horsepower is how fast you hit the wall;torque is how far you shove it back when you hit it" |
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12-09-2012, 06:49 PM
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#8 (permalink) | |
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Diesel Master
Join Date: Oct 2005
Location: Sudbury Ontario Canada
Posts: 1,814
iTrader Score: 0 reviews
Ontario Diesel Place Chapter Member Alberta Coal Rollers Member |
Quote:
I'll get it OnStar read again since my cheap reader wont pick it up and EFI is through a buddy which would be a few days. Will confirm before I buy either. Thanks!
__________________
2005 Chev 2500 HD LT 4X4 CCSB DMax / Allison Onyx Black ext, Dark Charcoal interior, Tint Astrostart 2205 06 Manual Extend Camper Mirrors MOTTO MT700 Chromes with 285 65 18's BFG MBRP "COOL DUAL" - Stainless w/cat delete Prodigy Brake controller Merchant Auto Competition Transmission w/transfer case pump rub upgrade and brace. Cognito Pitman and Idler Arm braces, Stainless SD Tie Rod Sleeves BOSS 9'2" Poly V Plow Autometer Ultra Lite II's (boost, pyro, oil temp) DSP5 / EFI Live Tuning by SPi PCV re-route Kodiak Mouthpiece TLFTN Member #34
Last edited by BlackMax Canada; 12-09-2012 at 06:50 PM. |
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12-09-2012, 10:44 PM
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#9 (permalink) |
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Diesel Master
Join Date: May 2004
Location: Alberta/Arizona
Posts: 1,422
iTrader Score: 0 reviews
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My reference works says open or short in the #1 glow plug control circuit.
Many code readers will not read the codes from any modules except the ECM. That code is from the glow plug controller.
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Turnpike '05 Chev, 2500HD, CC, SB, Duramax, Allison, 4WD, bought new April '05-times up - off warranty, now 135,000 miles, LBZ mouthpeice, Blocker Plate & Unplugged EGR, Air Box cut out, lost the cat, 52 US Gal (196 Litre) Titan Fuel Tank, SuperChips tuner on Tow mode, AirLift air bags, BrakeSmart Trailer Brake controller, PaceEdwards cover-replaced 2013, PopLock tailgate lock, DSP Fifth Hitch, JVC KW-NT1 headunit, "AutoEnginuity" scanner. '02 GMC, 2500HD, CC, SB, D/A, 4wd, Traded in - wrong color 
Last edited by turnpike; 12-09-2012 at 10:45 PM. |
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12-10-2012, 05:25 AM
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#10 (permalink) |
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Diesel Master
Join Date: Oct 2005
Location: Sudbury Ontario Canada
Posts: 1,814
iTrader Score: 0 reviews
Ontario Diesel Place Chapter Member Alberta Coal Rollers Member |
redid the OnStar diagnostic
p0671 p0675 p0677 So that is 3 GP's down the passenger side. Wondering if something sinister is going on or just crap luck 3 of 4 on the same side. Going to search on ways to test (ohm) glowplugs while still in the head.
__________________
2005 Chev 2500 HD LT 4X4 CCSB DMax / Allison Onyx Black ext, Dark Charcoal interior, Tint Astrostart 2205 06 Manual Extend Camper Mirrors MOTTO MT700 Chromes with 285 65 18's BFG MBRP "COOL DUAL" - Stainless w/cat delete Prodigy Brake controller Merchant Auto Competition Transmission w/transfer case pump rub upgrade and brace. Cognito Pitman and Idler Arm braces, Stainless SD Tie Rod Sleeves BOSS 9'2" Poly V Plow Autometer Ultra Lite II's (boost, pyro, oil temp) DSP5 / EFI Live Tuning by SPi PCV re-route Kodiak Mouthpiece TLFTN Member #34
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