BMW DTC U017D – Lost Communication With ‘Restraints System Sensor N’
DTC U017D meaning on BMW
The DTC U017D code on a BMW indicates a communication error with the Restraints System Sensor N. This means that the vehicle’s onboard computer is unable to establish proper communication with the sensor responsible for monitoring the restraint system, such as airbags and seatbelt pretensioners.
BMW DTC U017D symptoms
Symptoms of the DTC U017D code on a BMW may include:
- Malfunction indicator light (MIL) or airbag warning light illuminated on the dashboard
- Loss of functionality in the restraint system, such as airbags not deploying in a collision
- Diagnostic trouble codes related to the restraint system stored in the vehicle’s computer
BMW DTC U017D causes
The DTC U017D code on a BMW can be caused by various factors, including:
- Loose or corroded electrical connections between the sensor and the vehicle’s computer
- A faulty Restraints System Sensor N
- Wiring issues or damage to the sensor circuit
- Software glitches in the vehicle’s computer system
BMW DTC U017D seriousness
The DTC U017D code should be taken seriously as it indicates a potential problem with the vehicle’s restraint system. If left unresolved, it could compromise the safety features designed to protect occupants in the event of a collision.
How to diagnose DTC U017D on BMW
To diagnose the DTC U017D code on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the specific fault codes stored in the vehicle’s computer
- Inspect the electrical connections and wiring related to the Restraints System Sensor N
- Test the sensor itself for proper functionality
- Check for any software updates or reprogramming needed for the vehicle’s computer system
How to fix DTC U017D on BMW
To fix the DTC U017D code on a BMW, the following steps may be taken:
- Repair or replace any damaged wiring or connectors in the sensor circuit
- Replace the faulty Restraints System Sensor N if necessary
- Clear the fault codes from the vehicle’s computer using a diagnostic scanner
- Perform a test drive to ensure the issue has been resolved
How to erase DTC U017D on BMW
To erase the DTC U017D code on a BMW, a mechanic can use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer. Once the codes have been cleared, the MIL or warning light should turn off. It is important to verify that the issue has been resolved by conducting a thorough inspection and test drive.
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.