BMW DTC P152A – Vehicle Speed, Speed Implausible Compared to Reference under Load
DTC P152A meaning on BMW
DTC P152A on a BMW indicates that the vehicle speed is implausible compared to the reference speed under load. This means that the vehicle’s speed sensor is detecting a discrepancy between the actual speed of the vehicle and the expected speed, particularly when the vehicle is under load conditions.
BMW DTC P152A symptoms
Symptoms of DTC P152A on a BMW may include:
- Check Engine Light (CEL) illuminated on the dashboard
- Loss of power or acceleration
- Inaccurate speedometer readings
- Transmission shifting issues
BMW DTC P152A causes
Common causes of DTC P152A on a BMW include:
- Faulty vehicle speed sensor
- Wiring or connection issues in the speed sensor circuit
- Software or programming issues
- Mechanical problems affecting the speed sensor
BMW DTC P152A seriousness
While DTC P152A may not always result in immediate drivability issues, it is important to address this fault as it can lead to inaccurate speed readings and potential transmission problems. Ignoring this fault could result in further damage to the vehicle over time.
How to diagnose DTC P152A on BMW
To diagnose DTC P152A on a BMW, you can perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and any related codes
- Inspect the vehicle speed sensor and its wiring for any visible damage or corrosion
- Check the speed sensor signal using a multimeter to ensure it is within specifications
- Perform a road test to verify the speed sensor readings under load conditions
How to fix DTC P152A on BMW
To fix DTC P152A on a BMW, you can try the following solutions:
- Replace the faulty vehicle speed sensor
- Repair any damaged wiring or connections in the speed sensor circuit
- Update the vehicle’s software or programming if necessary
- Ensure proper installation and calibration of the new speed sensor
How to erase DTC P152A on BMW
To erase DTC P152A on a BMW, you can use a diagnostic scanner to clear the fault code from the vehicle’s memory. After addressing the underlying issue causing the fault code, you can reset the Check Engine Light and verify that the fault code does not return during subsequent driving cycles.
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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