Seeing your BMW’s check engine light (CEL) turn on without any clear error message or retrievable code can be confusing. Many owners expect that a warning light means there’s a code ready to read with ...

According to RepairPal, the average cost for an Engine Control Module (ECM) replacement ranges between $1,037 and $1,113, but the exact cost may vary based on your car's make and model.

The powertrain control module, aka PCM, is your vehicle’s brain. It manages the engine, transmission and other systems based on information it receives from various sensors around the vehicle ...