08 Lmm ecm/pcm crash - Diesel Place : Chevrolet and GMC Diesel Truck Forums
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Duramax Fourth Generation: 2007.5-2010 (LMM) Discuss the fourth generation (2007.5-2010) of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.

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Old 04-18-2011, 10:01 PM   #1 (permalink)
xxAndyUxx's Avatar
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Location: Naples, FL.
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08 Lmm ecm/pcm crash

The other day i went into a restaurant came out and my truck wouldnt start it would only crank for a second like an immobilizer problem of some sort, luckly my 08 has 35,243 miles on it which i was told from the dealer was still under factory warranty so they towed my truck for free. After several days of diag they found my ecm/pcm was the culprit and replaced it under warranty, with them knowing that my truck has turbo back exhaust and is tuned with efi live. They asked if i had been tuning it when it happened, but i havent flashed the truck since i bought it almost 3 years ago new. Now i have the truck back full aftermarket exhaust on but stock tune with dpf, check engine light is on truck runs fine other wise will the truck go into regen knowing it has dpf codes? On the other hand i am screwed with tuning because my friend that tuned my truck with his efi live tuner will no longer tune it for me... Now im not really sure what tuner to go with? Whats the best at a decent price? I know a efi live v2 is fairly expensive. I am also worried my truck may freak out while driving it with no dpf and stock software...

2015 Chevy 2500hd crewcab ltz 4x4 with 20x9 XD Bombs zero offset wrapped in 35" Toyo m/t's. Cognito 4" kit with fox shocks and 2" blocks. Rancho steering damper. MBRP 6" stainless exhaust tip. Blacked out bowties. Blacked out taillamps. High country painted bumpers.
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Old 04-20-2011, 12:05 PM   #2 (permalink)
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Give Nick at duramaxtuner.com a shout. He'll send you a pre-tuned ECM with whatever tunes you want in it. I think the cost is like $600 for the ECM and DSP-5 and you have to send him your ECM back. I'm extremely happy with my tunes from him!

2011 Chevy CC/SB LTZ LML 136k:
4" exhaust, H&S XRT Pro, Air Dog II 165, wcfab.com 3" y-bridge and ic tube, ARP head studs, PCV reroute, AFE filter, and Edge insight CTS.
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