Ford onboard diagnostic trouble codes are alphanumeric codes generated by the vehicle's onboard diagnostic computer when it detects a problem with the car or truck. Typically, a professional vehicle repair provider can r... More » Vehicles Car Makes & Models

To find an OBD II code list, go to and click the Trouble Codes link in the top menu. The top menu is located in the upper center portion of the home page. Choose the OBD II code that matches your engine tro... More » Vehicles Car Parts & Maintenance Engine

There are two primary types of on-board diagnostic codes: generic (or universal) and manufacturer-specific. The first digit of an OBD code specifies the related system: powertrain, body, chassis or undefined. The second ... More » Vehicles Car Parts & Maintenance
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Standard Mazda diagnostic trouble codes include P1122, which signifies that the throttle is stuck in the open position, and P1502, which indicates an error in the vehicle speed sensor circuit. Trouble code P1709 points t... More » Vehicles Car Makes & Models

Interpret trouble codes for Ford vehicles by using the OBD Codes website or the Check Engine Light website. Each site provides a list of codes unique to Ford vehicles and an explanation of each code's meaning. More » Vehicles Car Makes & Models

A full list of Ford engine trouble codes can be found in the Support section of the Edge Products website. The comprehensive list contains 48 pages of codes in a downloadable PDF format. More » Vehicles Car Makes & Models

To diagnose a wiring problem on a Ford truck, first identify the specific problem. Common issues arising from wiring problems in a Ford truck include failure to start, malfunctioning interior lights and tripped circuit b... More » Vehicles Car Makes & Models