FAQ

All FAQ regarding OBDII DTC Trouble Codes and check engine light conditions.

What is the check engine light

check engine light

Your vehicle check engine light is an integral part of your vehicle maintenance. When you see a service light on in your car, truck or van, you should never ignore it. Instead take initiative to see what the service light…
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ELM OBDII Bluetooth Adapter Review

OBDII Bluetooth Adapter

OBDII scan tools are evolving almost on a daily basis, thanks to the computing power of modern day cell phones. It used to be that if you needed a OBDII trouble code pulled from your vehicle, you needed an expensive…
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How To Use a OBDII Scan Tool

OBDII scan tool

Your check engine light is on, and it’s beginning to worry you quite a bit. The flashing yellow OBDII trouble code indicator is known as the Malfunction Indicator Lamp, and it’s a way to help identify what’s wrong in your…
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What is MIL Status

checkenginecode

The MIL status is also known as MIL Readiness and it’s an important factor to passing your emissions test. If your OBDII ECU does not show MIL Readiness or there are at least one condition that is not flagged ready,…
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What is OBDII

obdii-dtc-reader

The OBDII diagnostic system is the next step in self testing protocols for cars and trucks. This protocol applies for vehicles from 1996 onward, and it is meant to diagnose and identify problems with your powertrain. This is done through…
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FAQ – What is a DTC?

obdii-dtc-reader

DTC stands for OBDII Diagnostic Trouble Code, and it’s the single best way for your to diagnose problems with your car or truck. With OBD II, different DTC faults have different priorities according to regulations. As a result, the priorities determine…
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OBDII Freeze Frame Explained

obdii-dtc-reader

The OBDII freeze frame is your snapshot view into what is wrong in your 1996+ vehicle. When your OBDII vehicle encounters a problem with a sensor or the engine is not returning values that your ECU expects, your check engine…
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P0123 Honda 1.7L – How To Test Civic TPS

d17-tps

When the scan tool for your Honda Civic is showing a stored P0123 Honda trouble code, it means there’s a problem with the throttle position sensor or TPS in your 1.7 liter Honda. This sensor is primarily responsible for reading the…
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P0430 Nissan 3.5L – Testing the Catalytic Converter

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This P0430 Nissan OBDII trouble code refers to the emissions system in your 1995+ OBDII vehicle. The specific term for this check engine code is Catalyst System Efficiency Below Threshold. That means there is damage or something causing an excess…
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Is My Vehicle a OBDII?

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OBDII is the standard for automotive on board diagnostics that covers the year ranges between 1996 and above. Although there is talk of a new coming standard that could question your personal privacy standards and restrict your freedom in many…
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