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ECU1 and ECU 2

Discussion in '2nd Gen Tundras (2007-2013)' started by Vencel17, Nov 4, 2021.

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Nov 4, 2021 at 2:07 PM

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Vencel17 [OP] New Member

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Good afternoon Tundra 4.7 crew max owner, is anyone of you having in counter ECU problem, my truck won’t start when getting hot the engine, but when get cool down one click start without any problem, but when scan it ECU 1 and 2 come up. If anyone knows please give me your helping hand. Thank you guys.

Vencel17, Nov 4, 2021

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Nov 6, 2021 at 11:09 PM

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NueveTundra Mod list in Bio

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Planet Earth

Vehicle:

07, Black Tundra SR5 CrewMax

Exterior: Toytec ultimate 3" lift level, Total Chaos Uniball UCA's, Total Chaos Cam Tab Gusset kit, AcanII smoked headlights, AcanII smoke Tail lights (2.5 gen style), DV8 front winch bumper , Badlands 12k winch with Apex Synthetic, White AUTMATCH Shackles 3/4" D Ring Shackle, Apex Winch shackle, Trail Ridge mirrors ,Icon Rebound Pro 17"x8.5" +25, Cooper Discovery STT Pro 285/70R17, PowerStop drilled n slotted rotors W/Carbon pads, Rigid flood flush mounts rear bumper , WeatherTec rain guards , OEM black side badges , Rigid Amber Radiance Pods. Energy Suspension Red Rack and Pinion Bushings, EAG front mesh Grille, RCI HighLift bed mounts. Rough Country DS2 Steps, A.R.E OverLand Canopy with Ascend basket, Stickers: ToyTec lifts windshield banner, Red Strange Music window sticker(back cab), White Strange Music sticker(back canopy), White Rigid sticker x2 (canopy sides), white Official BigFoot Research Team (Back Canopy) Interior: Alpine double din touch iLX-650 , JL C5-653's (front) JL C1-650x (rear) , JL JX400 4 channel amp , JL JX500 mono amp , 2 JL 12" subs , WeatherTec floor mats, Kenwood F/R Dash Cams, Black steering wheel emblem overlay, Tekonsha P3 Brake controller, ToyTec "Fresh" Scent coilover air freshener, Under the Hood: Koyo all aluminum radiator, Mishimoto red silicon hoses , XS Power 3000 amp battery , LAlectric 300 amp Alternator , K&N replacement filter. Online LED store accessories Fuse/relay box. (Identified) Dirty Deeds 8" Cat back exhaust with DD resonator delete/axel over converted into dump. Coming soon:

What are the codes? Also any pics would help of the screen.

and welcome to the forum.

NueveTundra, Nov 6, 2021

#2

Nov 12, 2021 at 11:36 AM

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blackdemon_tt Battery Slayer

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2007 5.7l Tundra DC SR5 long bed 2wd

TRD Sway Bar, Roll covers USA bed cover

would it be a relay? my 02 Celica refuses to start when its super hot outside and I've driven it around alot.. but for me its the starter relay, so I remove it and jump it and it works just fine... Eitherway I would second codes would be nice for better guidance.

blackdemon_tt, Nov 12, 2021

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