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06 LLY engine control issues
It is definitely an lly. VIN code 2. Maybe they only put that in vans for that year, idk. Its an Express 2500. The security system issue makes sense though, but im thinking that the ecm is married to the bcm and miscommunication or non matching flashes would behave similarly. Both are the...- Leesnitz
- Post #3
- Forum: Duramax Tuning, Logging, and Gauges
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06 LLY engine control issues
Hi friends. I have an '06 lly that has some ecm/ecu issues. The engine will start itself while sitting still. I first noticed it after driving through a hard rain which makes me think its a matter of the computer getting wet and short circuiting. I disconnected the batteries for a little...- Leesnitz
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- Replies: 5
- Forum: Duramax Tuning, Logging, and Gauges