U0100 Chevrolet - malibu 08

Question

My car won't start because it reading u0100 what can I do to fix this problem without costing me money

Answer 1

U0100 Loss communication with ECM

Even with this code the engine should still start. Try this is common on the Malibu, key on stepping on the brakes move the gear selector and try starting it.Other than that you need to check the basic, having a good charge battery, the engine getting fuel , there is ignition spark.