FAQ: What Is Code 9 On The Car Computer?

What are automotive codes?

Diagnostic Trouble Codes or OBD2 Trouble Codes are codes that the car’s OBD system uses to notify you about an issue. Each code corresponds to a fault detected in the car. The code will help you to identify and fix the issue within the car. Each trouble code consists of one letter and four digits, such as P1234.

What is diagnostic trouble codes on cars?

DTC (diagnostic trouble codes), also known as OBDII codes, are your car’s system for alerting you of vehicle issues. When the vehicle detects that the issue exceeds these limits, it sends out a trouble code. Technicians use these codes to diagnose and repair vehicle issues.

How do I clear my fault code ECU?

Press the ERASE button on the scanner to clear the trouble code. Doing this will turn off the check engine light. Depending on the type of scanner, the ERASE or CLEAR button will get rid of the trouble codes permanently. Turn off the ignition and unplug the scanner from the OBD2 diagnostic port.

Where can I read car codes for free?

If you have a problem with your car and you don’t know what it is, most auto part stores (such as AutoZone, Pep Boys and Advance Auto Parts) will provide a free diagnostic code reading. It is also called an OBD reading.

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What are P codes?

P-codes are similar to zip codes and postal codes and are part of a data management system that provides unique reference codes to individual locations. These codes provide a systematic means of linking and exchanging data and analyzing relationships between them.

How do I find fault codes?

To read the codes, you will have to plug a scan tool or code reader into the 16-pin OBD II diagnostic connector, which is usually located under the dash near the steering column. The tool will then display the code or codes that have turned on the Check Engine Light. To read codes, you need the proper scan tool.

How much does a diagnostic test cost for a car?

How much does it cost to run a diagnostic test on a vehicle? It depends on the location. But generally, you should expect to pay anywhere between $60-100 for a car diagnostic test.

How long does a diagnostic take on a car?

A standard diagnostic test can take about an hour to an hour and a half. Of course, more complicated issues that require further diagnosis and where components must be removed for access or testing can take 2-3 hours; depending on the severity of the issue or multiple underlying issues.

Is it OK to clear engine codes?

If your main reason for buying an inexpensive scanner is to reset the check-engine light, know this: clearing the code and turning the light off doesn’t mean your issue has gone away. It’s possible that the warning light won’t come back on after you clear the code.

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How do I permanently delete engine codes?

The only way to clear a PDTC is to fix the underlying problem with the vehicle that originally caused the PDTC and its corresponding DTC to set, and then allow the vehicle sufficient drive time to re-run the monitor that identified the problem in the first place.

Will an engine code clear itself?

How Do I Permanently Reset My Check Engine Light? Your vehicle’s check engine light will will reset by itself once the issue or problem has been repaired; this is true for most models. But the issue may be a bit more involved than simply resetting it. The issue may stem from your car having to run several cycles.