P2159 - OBD Trouble Code

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Is OBD code P2159 flashing? Wondering what is P2159 code? OBD code P2159 relates to your vehicle’s vehicle speed sensor B range/performance. This is a generic OBD error code, having said that it means that it applies to all OBD-II equipped vehicles. But this doesn’t mean that the repair steps will be same for all make and models, it will depend upon the manufacturer’s specifications.

Are you wondering how this error code P2159 might affect your engine’s health? How serious this problem is and how you should tackle with it? If YES, then you are at the right place. We at PartsAvatar have worked out the causes, symptoms and the steps to diagnose & correct it.

The PCM (powertrain control module) will set this error code P2159 when it detects that the voltage reading falls outside the specified range determined by the manufacturer. This will lead to the flashing of check engine light.

What causes this problem with the Vehicle Speed Sensor B Range/Performance?

• Malfunctioning vehicle speed sensor
• Malfunctioning ABS Sensor
• Short, open or damaged vehicle speed sensor wiring
• Damaged, corroded or disconnected vehicle speed sensor connector
• Damaged wheel bearings
• Poor reluctor ring
• Inappropriate tires and wheels
• Malfunctioning PCM
• Faulty transmission in rare cases

1. Engine Control Module - Believe us ECM failures and faults can be very difficult to find and resolve as these are very rare and might require a complete reprogramming of the system to avoid wrong codes from getting stored in the system, leading to misdiagnosis of error code P2159. Replace it now!
2. Powertrain Control Module - Powertrain Control Module also known as your vehicle’s brain if faulty can be really troublesome. Don’t take risk and replace faulty PCM today to get rid of this error code P2159.
3. Wheel Bearings - Faulty wheel bearings will not only result in flashing of OBD error code P2159 but will also lead to grinding noises, a loose steering wheel, and uneven tire wear. So, what are you waiting for? Replace the faulty ones today.
4. ABS Tone Ring - Don’t risk your safety on road, make sure that your vehicle’s ABS tone ring is in good shape. If you find that your vehicle’s is damaged then don’t wait and replace it with new ones with us today.
5. Vehicle Speed Sensor - If you are experiencing non functional cruise control accompanied by harsh or improper shifting then it’s time to replace that faulty wheel speed sensor and also to get rid of this obd error code P2159.
6. Diagnostic Tools - If you need one, you can simply find it with us. You can choose from a selection of diagnostic tools on our website and make it easy on yourself when diagnosing problems and creating accurate solutions for your car

Interested in knowing the symptoms to obd code P2159? If yes, then you have arrived at the right place. We at Parts Avatar have listed out few common symptoms associated with Vehicle Speed Sensor B Range/Performance.

Common Symptoms

• Flashing of CEL (check engine light)
• Inaccurate speedometer
• Inaccurate tachometer
• Inaccurate odometer
• Deactivated or faulty ABS
• Flashing of ABS warning light
• Shifting troubles

Have a look at some ways with which you can correct the P2159 code:

• Firstly, repair or replace the faulty ABS tone ring
• After that inspect and replace all faulty ABS system parts
• Next, repair or replace the faulty vehicle speed sensor
• Fourthly, undergo wheel bearings replacement if found faulty
• Lastly replace or reprogramme faulty powertrain control module

There is no need to get strained if your OBD Code is still flashing up as we are here at your service. Have a look at our superior variety Vehicle Speed Sensor Wheel Bearings Electrical Components Now all your problems would vanish within no time.

Here are some steps which you should follow in order to diagnose this P2159 fault code:

• For diagnosing this error code P2159 you will need to use a scanner to check for the stored error code.
• Next, you will have to connect a scanner to the diagnostic port of the vehicle and recover the codes and freeze frame data. This will help you in further diagnosis.
• Now you will need to conduct a road test and check what all codes return.
• Begin by locating the vehicle speed sensor and the wheel speed sensor and do check the related circuits for any sort of damages.
• You will also need to inspect the ABS tone rings and the wheel bearings for any sort of play.
• In case you come across any sort of issues, resort to resolving them before commencing to further diagnosis.
• In case the wheels and tires are the incorrect size, this issue would also need to be resolved at this time.
• In case you come across no issues with these parts then it’s the powertrain control module that needs to be blamed. Undergo it’s replacement or reprogramming to resolve the issue.

Common mistakes when diagnosing the P2159 code

Talking about misdiagnosis, the most obvious misdiagnosis that you are likely to commit is to skip checking for the right wheel and tire size for your the vehicle. Other common misdiagnosis are as follows:

• Abs sensor replacement when vehicle speed sensor is the cause

P2158 - Vehicle Speed Sensor "B"