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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15181
Experience:  GM Grand Master Technician 2007. 14 years experience.
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Sorry, ; I got dropped somehow. I replaced my ecu in my 2002

Customer Question

Sorry, Tom; I got dropped somehow. I replaced my ecu in my 2002 Silverado 5.3 with a rebuilt, flashed unit. The corrct vin,milage and other data was given to the rebuilder. It won't start. sounds like it's going to then dies. I put a code reasder on it(had no codes before) and it gave me P1336 crankshaft position sensor not learned.
Submitted: 10 months ago.
Category: Chevy
Expert:  Tim's Auto Repair replied 10 months ago.

Hi, My name is ***** ***** for the delay.

I will do my best to assist you

does the security light stay on with the key on?

Customer: replied 10 months ago.
It alternates with the battery light for five second intervals each
Expert:  Tim's Auto Repair replied 10 months ago.

hi,,are you still there?

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