Electronic control unit problems

Electronic control unit: Engine Control Unit. It regulates all the aspects related to the engine's proper functioning.
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Bypass security with no key

Chevrolet Silverado 2006 5.3 liter  150000 miles
Reset security with no key
Jason from United States 8 months ago  
JA
2 reports 

Starts and then dies

Chevrolet Silverado 2000 Silverado 1500,5.3 300000 miles
Put a new ignition switch,no security displays battery,starts for 3 secs. Then dies
Djhart from United States 8 years ago  
DJ
10 reports 
Jaxx from United States a year ago
Havin same issue fuel pumps not getting power
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Will not start

Chevrolet Silverado 2003 03 2500Hd 6L 5speed 12700 miles
I was pulling trailer and my brake system light came on then it died. It will not start doesn't even try to start. Brake system light is on security light and battery light is on. With key off all my gages and running lights stay on
Leeroy from United States 8 years ago  
LE
14 reports 
Fred from United States 3 years ago
Removing and replacing emc and starter fuses under the dash is a temporary fix as i don't frive it much due to initial stalling and then stall with system shutout, no power.
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Transmission drive issue,

Chevrolet Silverado 2010 Crew cab 4.8L 2wd 129000 miles
Good morning have a 2010 Chevrolet Silverado Crew Cab 1500LT 4.8L 2wd. Truck has 6 inch lift, . Ok truck started driving sluggish. Well 2 years ago had truck diagnosed with misfire on cylinder 7 low compression, , truck transmission started slipping , then I would drive normal speed and then came to a stop light and truck barely moved. Well I had it rebuild and cus it wouldn't move when put on drive, after going from park to reverse everything fine, but once you put it on D , nothing, driveshaft no rotation, Well also put in a new used engine 5.3L and after swap drove truck along the blo… Read complete
Damoan from United States 14 days ago  
DA

Will not start

Chevrolet Silverado 2003 03 2500Hd 6L 5speed 12700 miles
I was pulling trailer and my brake system light came on then it died. It will not start doesn't even try to start. Brake system light is on security light and battery light is on. With key off all my gages and running lights stay on
Leeroy from United States 8 years ago  
LE
10 reports 

Won't start

Chevrolet Silverado 2000 4.3l v6 150000 miles
I replaced the ignition pick up coil the ECU distributer cap rotor ignition coil
And still no start :( I am not getting spark to the spark plugs please help
Lucky from Canada 8 years ago  
LU
16 reports 
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