P0AB7 OBD Error Code: Problem & Solutions

<<See All OBD Codes

Do you know how the P0AB7 error code gets stored in the vehicle? What are its symptoms and diagnosis? Then keep reading. Malfunctioning of the PCM is known as engine mount "B" control circuit low. The engine mount "B" control circuit will be looked after by the engine control module will look. If the engine mount "B" control circuit fails to meet the factory specifications, then the ECM will set the error code in the vehicle.

The engine will be properly safeguarded to the body of the vehicle by the engine mount. This is a rubber dampener. In new vehicles, the electronically controlled engine mount helps to minimize the engine vibration which the driver, as well as passenger, might feel. Fluid is present inside the mount and based on the electrical signal received, it will change in viscosity. The P0AB7 error will be set, if an improper signal is found by the PCM from the rear engine mount.

What causes this problem with the Engine Mount "B" Control Circuit Low?

• Broken engine mount.
• The harness of the engine mount might be shorted or it might have an opening.
• The electrical connection of the engine mount might be bad.

1. Engine Control Module - You can easily find out that the engine control module in your vehicle is damaged if your vehicle faces issues like stalling or misfiring. Additionally, the behavior of the engine can be erratic. In one such scenario, it is always best to replace the faulty engine control module.
2. Powertrain Control Module - The engine will fail to start or the fuel economy will be poor if the powertrain control module is faulty. Get them replaced as soon as possible so that you can get rid of the P0AB7 error code.
3. Engine Mount - You will hear strange noises coming from the engine bay if the engine mount is defective or misplaced.
4. Engine Mount Harness - Replace the damaged engine mount as quickly as possible. Replacing the faulty engine mount harness can help you to avoid the P0AB7 error. Get rid of it as soon as possible.

Have you ever wondered why is it so important to know the symptoms of the problem? Well, it is extremely essential to know the symptoms of the problem in order to detect it. Keeping this in mind, let’s throw some light on a few common symptoms of OBD error code P0AB7.

Common Symptoms

• Probable causes of a misfire.
• Fuel consumption might be high.
• You might notice the flashing of the engine light and the warning light of the service engine.
• Performance might be low by the engine.
• The drive will notice abnormal vibration as he drives the car.
• When shifting from park to reverse, the transmission will start banging into gears.

To correct this issue, you might need to undergo few replacements for the defective parts such as

• Repairing the engine mount and engine mount.
• The faulty engine control module/ powertrain control module which causes issue needs to be changed.

There is no need to be anxious as Parts Avatar – Car Parts Online is here to help you out! We have high-grade engine mount, powertrain control module, engine mount harness and a lot more for our precious customers.

It is essential to diagnose this fault code. Here are some steps which a mechanic should follow for diagnosing the problem that triggered a P0AB7 code to be stored:

• This is a general type of trouble code and it is not difficult to diagnose or repair this error.
• It’s always best to give it to the professionals or technicians as they know the tactics to resolve this error where they will connect a scanner to the diagnostic port and recover the stored codes and freeze frame data.
• Performance issue can rise in the vehicle if the engine mount and engine mount harness are faulty. The mechanic will address them first.
• If the error still shows up, then he will inspect some of the components like battery cables, battery control module and battery current sensor, for any issues. Any possible defects will be addressed immediately.
• Rarely, the mechanic will check the engine control module as they might be faulty. If they are found to be defective, the faulty connectors will be replaced.
• If this error code has been made alright, then the mechanic will look for other error codes and address them first, before starting to diagnose the error code P0AB7.
• After every diagnosis, the mechanic will reset the code, test drive the vehicle to see if the error code is still stored. Also, this will help the mechanic to know as to where the error occurred.

Common Mistakes When Diagnosing the P0AB7 Code

• Malfunctioning of the PCM.
• Broken wires can cause some issue.
• The level of engine oil is reduced.
• Broken engine mount.