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Hello, What will happen if you do not have the ECM Reflashed after installing a new throttle body on a 2011 Chevy
After getting the P2135 code, I installed a new Throttle Body on a 2011 Chevy Equinox 2.4l, After installation the code cleared. However, one day later the check engine light came back on. I did NOT have the ECM reprogrammed or reflashed. Could this be the reason for the check engine light to come back on? What does the reporgramming or reflashing of the ECM actually do?
