BMW DTC P2162 – Vehicle Speed Sensor ‘A’ / ‘B’ Correlation
DTC P2162 meaning on BMW
The Diagnostic Trouble Code (DTC) P2162 for BMW indicates a correlation issue between Vehicle Speed Sensor ‘A’ and Vehicle Speed Sensor ‘B’. This means that the signals from these two sensors, which are responsible for measuring the vehicle’s speed, are not matching up as expected by the Engine Control Module (ECM).
BMW DTC P2162 symptoms
Symptoms of DTC P2162 on a BMW may include erratic speedometer readings, incorrect shifting patterns in automatic transmissions, and potential illumination of the Check Engine Light on the dashboard. Additionally, the vehicle may experience issues with cruise control functionality and ABS operation.
BMW DTC P2162 causes
The most common causes of DTC P2162 on a BMW include faulty Vehicle Speed Sensors, damaged wiring or connectors related to the sensors, or issues with the ECM itself. Other potential causes could be a malfunctioning instrument cluster or a problem with the transmission control module.
BMW DTC P2162 seriousness
While DTC P2162 is not a critical issue that will leave the vehicle inoperable, it is still important to address it promptly. Ignoring this fault can lead to inaccurate speed readings, which may affect the vehicle’s performance and safety systems.
How to diagnose DTC P2162 on BMW
To diagnose DTC P2162 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes stored in the ECM. They would then inspect the Vehicle Speed Sensors, wiring, and connectors for any visible damage or corrosion. Testing the sensors using a multimeter and checking for proper signal output can help pinpoint the issue.
How to fix DTC P2162 on BMW
Fixing DTC P2162 on a BMW usually involves replacing the faulty Vehicle Speed Sensors, repairing any damaged wiring or connectors, or addressing any issues with the ECM or other related components. Once the root cause is identified and resolved, the fault codes can be cleared to reset the system.
How to erase DTC P2162 on BMW
To erase DTC P2162 on a BMW, a diagnostic scanner can be used to clear the fault codes stored in the ECM. After the repairs have been made and the underlying issue has been resolved, the mechanic can perform a code clearing procedure to reset the system and turn off the Check Engine Light.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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