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B2000

Manufacturer Controlled DTC

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By
KBB Service Advisor
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Reviewed by
Gary Hardesty

What Is the B2000 Code?

Symptoms
Causes
Seriousness
Can I Still Drive?
Diagnose
Difficulty of Inspecting
Get Additional Help

Some fault codes are reserved for specific manufacturer issues that may not perfectly fit into any other OBD-II code. The B2000 code can indicate different problems in every vehicle. It indicates an issue with an operating system or subsystem in your vehicle that is specifically assigned to the vehicle by the manufacturer. This definition may differ for every vehicle, including different makes and models, and is almost always associated with additional codes. It’s rare for this code to be stored alone.

More About Error Code B2000

The B2000 code can come up for a wide array of reasons. Here are a few you might see assigned to the B2000 code:

  • Left Power Sliding Door Control Unit
  • Injector Circuit Malfunction – Cylinders
  • Drop In Power Voltage
  • Air Conditioning Pressure Sensor (ACP) Insufficient Pressure Change

The main thing that ties these together is that it’s a B code, which means a body code. That means the problem will likely be inside the passenger compartment, with issues frequently concerning the air conditioning units, the doors, or the interior electrical system.

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What Are the Symptoms of a B2000 Code?

The symptoms of the B2000 code will depend on the actual problem. For example, if the problem is a temperature fault, you’ll have issues that are completely different than if the problem is with a switch circuit or other control circuit. To determine the symptoms of the B2000 code, you should look at the definition of the code. This will give some insight into what symptoms you should expect. Frequently, people recognize the B2000 code only because the check engine light turns on.

What Are Some Causes of a B2000 Code?

As with the symptoms, the causes of the B2000 code have to do entirely with what the code itself means in your specific vehicle. Because the problem has to do generally with the body of the car, there are some common concerns. For example, electrical failure is a common reason you might see the B2000 code. However, because this code can cover many problems, it’s always best to check the code itself first.

How Serious Is the B2000 Code?

The B2000 code should generally be treated as fairly serious. Because it can range over so many different issues, the B2000 code could either be so serious that it completely shuts your car down or not serious at all. However, the only way you’ll know is actually to check the code and understand the problem. You should talk to an expert if you cannot do that yourself.

Can I Still Drive with a B2000 Code?

You should avoid driving for an extended period of time with the B2000 code. Because the B2000 code is a B code, or a body code, it’s likely to impact how it feels to drive in the car. This may include issues with the air conditioning or heating unit working properly, problems with the power doors functioning, and general concerns with internal electric systems. In some cases, it may also impact the actual driving process, creating a problem with the brakes, for example. Avoid driving until you know what the problem is and how serious a problem it will cause.

How Easy Is It to Diagnose a B2000 Code?

Diagnosis of a B2000 code is notably difficult, even for an expert. As a manufacturer-defined DTC code, it can be different for every vehicle, and every make and model can have a different definition. You need to read the definition and understand what that means for your vehicle, then understand the steps you should take to fix those problems. It’s always best to leave a manufacturer-defined DTC code as broad as this one to the experts.

How Difficult Is It to Inspect a B2000 Code?

Similarly to the diagnostic process, the inspection process for a B2000 code can be much more involved than similar codes. You may need to do a general check, paying attention to electrical connections and wiring issues, and a more specific check depending on the code’s definition for your specific make and model. Leave this code to the experts to decide what’s most important to check out.

Need Additional Help with Your B2000 Code?

The B2000 code can be very frustrating for anyone, especially people who are used to DIYing fixes for their vehicles. You’ll need extra help with your B2000 code, as it’s unlikely that you’ll be able to handle this code on your own. The good news is that there are plenty of options for finding an effective fix.

First, you should find a repair shop in your area where you can make an appointment. KBB.com can help you find a local repair shop that will help you fix your problem, even if the problem is as vague as a B2000 code.

Additionally, if other codes are present, especially those with more well-defined issues associated with them, in that case, the KBB.com OBD-II database will give you more insight into the other problems you may be facing.

 

B2000 Q&A

Common Error Codes

P0128 - Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)

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