× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: PCM Driver Theory
Posted to Technical Theory Forum on 2/26/2013 3 Replies

[...trimmed text...]

Jim - I know that that PCM circuit (Impala vent solenoid) underwent some changes somewhere around 2005 or 2006. It would light a 3157 bulb before then, but not after.

Login to read more.

3 Replies Received (View Replies)