BMW DTC P2517 – A/C Refrigerant Pressure Sensor ‘B’ Circuit Low
DTC P2517 meaning on BMW
The Diagnostic Trouble Code (DTC) P2517 for BMW refers to the A/C Refrigerant Pressure Sensor ‘B’ Circuit Low. This code indicates that the signal from the refrigerant pressure sensor ‘B’ is below the expected range, potentially causing issues with the air conditioning system.
BMW DTC P2517 symptoms
Symptoms of DTC P2517 on a BMW may include:
- Malfunctioning air conditioning system
- Reduced cooling performance
- Check Engine Light (CEL) illuminated on the dashboard
BMW DTC P2517 causes
Possible causes of DTC P2517 on a BMW include:
- Low refrigerant pressure
- Faulty A/C refrigerant pressure sensor ‘B’
- Wiring or connection issues in the sensor circuit
BMW DTC P2517 seriousness
While DTC P2517 may not directly affect the drivability of the vehicle, it can lead to discomfort due to a malfunctioning air conditioning system. It is recommended to address this issue to ensure proper cooling performance and prevent further damage to the A/C system.
How to diagnose DTC P2517 on BMW
To diagnose DTC P2517 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes from the vehicle’s computer.
- Inspect the A/C refrigerant pressure sensor ‘B’ and its wiring for any visible damage or corrosion.
- Check the refrigerant pressure levels to ensure they are within the specified range.
- Perform a continuity test on the sensor circuit to identify any open or short circuits.
How to fix DTC P2517 on BMW
To fix DTC P2517 on a BMW, you can try the following solutions:
- Recharge the A/C system with the correct refrigerant to bring the pressure within the normal range.
- Replace the A/C refrigerant pressure sensor ‘B’ if it is found to be faulty.
- Repair any damaged wiring or connections in the sensor circuit.
How to erase DTC P2517 on BMW
To erase DTC P2517 on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer. Once the issue has been addressed and fixed, you can reset the codes to turn off the Check Engine Light and ensure that the system registers the repair.
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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.