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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15201
Experience:  GM Grand Master Technician 2007. 14 years experience.
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Need to know the pin number on the ECM plug for the Evap

Customer Question

need to know the pin number on the ECM plug for the Evap sensor 07 avalanche
JA: Which particular sensor are you asking about? And have any trouble codes been triggered?
Customer: p0449, the problem is the engine light stays on even with truck shut off and i triggered the security and locked the truck out wont even crank over
JA: Are you fixing your Avalanche yourself? What have you tried so far?
Customer: we are, haven't tried much because i need to find out the PIN number on the ECM to start
JA: Anything else you want the mechanic to know before I connect you?
Customer: no thats about it
Submitted: 11 months ago.
Category: Chevy
Expert:  kalamykid replied 11 months ago.

Have you had the battery disconnected just before it would not turn over anymore? Is your truck a 2wd or a 4x4?