What does OBD stand for?

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Prepare for the Carver NOCTI Collision Repair and Refinishing Technology Exam. Study with a variety of tools including flashcards and multiple-choice questions. Each question is designed with hints and explanations to help you succeed. Get ready for your test today!

Multiple Choice

What does OBD stand for?

Explanation:
On-Board Diagnostics stands for the vehicle’s onboard system that monitors the engine and emissions-related parameters. The D represents Diagnostics, meaning the onboard computer watches sensors, detects faults, and stores diagnostic trouble codes to help diagnose issues. The official expansion is simply On-Board Diagnostics; some people say “On-Board Diagnostics System,” but that extra word isn’t part of the standard name. The other options mix up what the D stands for or imply something unrelated (Data or Optical), so they don’t fit.

On-Board Diagnostics stands for the vehicle’s onboard system that monitors the engine and emissions-related parameters. The D represents Diagnostics, meaning the onboard computer watches sensors, detects faults, and stores diagnostic trouble codes to help diagnose issues. The official expansion is simply On-Board Diagnostics; some people say “On-Board Diagnostics System,” but that extra word isn’t part of the standard name. The other options mix up what the D stands for or imply something unrelated (Data or Optical), so they don’t fit.

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