Where is the 2002 chevy suburban ecm located?

Look underneath the instrument panel glove box on the passenger side of Your 2002 Chevy Suburban to locate the ECM. But what does the ECM do exactly. Well It essentially functions as the main computer for many of the vehicle's engine performance and drivability functions. The ECM takes the information from the engine's various sensors, and uses that information to calculate and tune engine spark and fuel for maximum power and efficiency.The average cost for engine control module (ECM) replacement is between $928 and $1,006. Labor costs are estimated between $80 and $100 while parts are priced between $849 and $906. This range does not include taxes and fees, and does not factor in Your unique location.