In modern vehicles, electronic functions are not only a convenience, but these days are absolutely necessary for vehicle operation. Everything from your power windows and door locks, to your air conditioning system, to the engines Ignition and timing all run through an engine control unit somewhere along the line. Your engine control unit (ECU) is the main computer which controls and directs the electrical power in your vehicle. Like a train conductor, your ECU directs your vehicle's electrical traffic ensuring proper vehicle function. Additionally, your ECU oversees and reports on all of the various sensors in your vehicle. As an example, if the sensor controlling the air/fuel mixture sees an...

Read More

When your vehicle's Engine Control Unit (ECU) senses a problem or malfunction within the vehicle, it will trigger an ECU fault code, which then will prompt the check engine light to illuminate. ECU fault codes, also known as diagnostic trouble codes (DTC), are part of the on-board diagnostic (OBD II) system in your car. These fault codes provide information on which systems are malfunctioning, where the problem is located, and the exact issue that is causing your check engine light to remain illuminated. Most fault codes will not result in a full ECU replacement/repair, however these codes are still indicators of a problem with your vehicle that can cause additional...

Read More