GM has issued a voluntary emissions recall for certain units of the 2021 through 2023 Chevy Trailblazer to address an issue with the crossover’s engine control module, which may not properly clear an ...

-it seems that those three little letters strike fear into many a promoter, track owner, or sanction head whenever they hear it. ECU stands for Engine Control Unit. Also called an ECM (Engine Control ...

Change Air Cooler (CAC) low efficiency (DTC P026A) Exhaust Gas Recirculation (EGR) cooler low efficiency (DTC P2457) NOx sensor position 1 slow response (DTC P22F9) The hazards: if the ECM is unable ...