If you have been driving for a long time with many successful cycles after you fixed the issue without problems, but the engine control module still doesn’t reset the check light, you must understand ...

GM has published a service bulletin describing a fix for 2021 Cadillac CT4 sedans with an Engine Control Module that fails to report catalytic converter faults.

GM has issued a service update for some units of the 2023-2024 GMC Sierra 1500 for an ECM fix to remedy improper fuel flow rate during certain types of driving.

What Does the P0306 Code Mean? P0306 DTC means that there’s an engine misfire in cylinder 6. The Powertrain Control Module (PCM) detects that a misfiring is occurring in the 6th cylinder in the car ...

The Engine Control Module (ECM) is the computer responsible for controlling the engine. The ECM communicates with other vehicle control units via a communication bus.

Camaro and Firebird: How to Repair and Replace Body Control Module The body control module (BCM) is a computer which controls everything from your power windows to your radio. Here's how you fix or ...