The Hyundai Code P2159 is an issue with the Vehicle Speed Sensor “B” Range/Performance. If the vehicle speed signal is not 1.0 Km/h or higher for at least two seconds when the conditions are enabled, the ECM sets the P2159 code. Understanding the causes of this issue is the first step to troubleshooting and fixing it. The following table outlines the causes and solutions of the Hyundai Code P2159.
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Causes and Solutions of Hyundai Code P2159
| Cause | Solution |
|---|---|
| Open or short in harness | Replace the harness or repair the connection |
| Poor connection or damaged harness | Check and repair all connections |
| ABS(ESC) Module | Replace the ABS(ESC) Module |
| VSS | Replace the VSS |
If you own a Hyundai and the ECM has registered a P2159 code, it could be related to an issue with the Vehicle Speed Sensor “B” Range/Performance. To properly diagnose and fix the problem, you must identify and understand the possible causes. The Hyundai Code P2159 can be caused by an open or short in the harness, a poor connection or damaged harness, the ABS(ESC) Module, or the VSS. It is important to know the cause in order to properly solve the issue. Fortunately, the causes and solutions of the Hyundai Code P2159 are outlined in the table above.
Open or Short in the Harness
One potential cause of the Hyundai Code P2159 is an open or short in the harness. If the harness has a broken or exposed wire, or if the connection is broken, the code will be generated. If this is the cause, the solution is to replace the harness or repair the connection.
Poor Connection or Damaged Harness
Another possible cause of the Hyundai Code P2159 is a poor connection or damaged harness. If the connection is loose or the harness is damaged, the code will be set. To fix this issue, you must check and repair all connections in the system.
ABS(ESC) Module
If the ABS(ESC) Module is the cause of the code, the solution is to replace the module. This is a complex system, so it is important to understand the cause before attempting to fix it.
VSS
The final potential cause of the Hyundai Code P2159 is a faulty VSS. If the VSS is damaged or not functioning correctly, the code will be set. The solution is to replace the VSS.
Conclusion
Understanding the causes and solutions of the Hyundai Code P2159 is important in order to properly diagnose and fix the issue. The code can be caused by an open or short in the harness, a poor connection or damaged harness, the ABS(ESC) Module, or the VSS. In all cases, the solution is to either replace the harness or harness connection, the ABS(ESC) module, or the VSS. If you are experiencing Hyundai Code P2159, make sure to properly diagnose and fix the problem.
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