U0168
Lost Communication with Passive Restraint Module
2006-2011 BMW 325i 3.0L I6 N52 🇷🇺
Critical SeverityNetwork
Description
Cannot communicate with the passive restraint or supplemental restraint (SRS) module.
Symptoms
- Airbag warning light on
- SRS system disabled
- Seatbelt pretensioners disabled
- Passenger airbag status unknown
Common Causes
- SRS module failure
- CAN bus wiring
- Module power loss
- Fuse blown
- Clockspring failure
Diagnostic Steps
- Check SRS module fuse
- Test power and ground
- Check CAN wiring
- Check clockspring
- Inspect SRS connectors under seats
Repair Notes
Safety critical system. Check fuses. Do not attempt to service SRS without proper training.
Related Codes
Other Network Codes
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus Performance
- U0003High Speed CAN Communication Bus (+) Open
- U0004High Speed CAN Communication Bus (+) Low
- U0005High Speed CAN Communication Bus (+) High
- U0006High Speed CAN Communication Bus (-) Open
- U0007High Speed CAN Communication Bus (-) Low
- U0008High Speed CAN Communication Bus (-) High
- U0009High Speed CAN Communication Bus Shorted Together
- U0010Medium Speed CAN Communication Bus
U0168 on Other Vehicles
Common Questions
What does code U0168 mean on a 2006-2011 BMW 325i?
U0168 stands for "Lost Communication with Passive Restraint Module". Cannot communicate with the passive restraint or supplemental restraint (SRS) module.
What are the symptoms of U0168 on a BMW 325i?
Common symptoms of U0168 include: Airbag warning light on, SRS system disabled, Seatbelt pretensioners disabled, Passenger airbag status unknown.
What causes U0168 on a 2006-2011 BMW 325i?
Common causes of U0168 include: SRS module failure, CAN bus wiring, Module power loss, Fuse blown, Clockspring failure.