U0305
Software Incompatibility with ABS Control Module
2012-2015 BMW 320i 2.0L I4 Turbo N20
High SeverityNetworkGeneric (SAE)
Description
Data incompatibility between the ABS module and other vehicle control modules.
Symptoms
- ABS light on
- Stability control disabled
- Brake assist not working
- Traction control off
Common Causes
- ABS module software outdated
- Software mismatch after partial update
- Wrong ABS calibration installed
Diagnostic Steps
- Check ABS module software version
- Compare software compatibility with ECM
- Reprogram ABS module
- Check for TSBs
Repair Notes
Reprogram ABS module with correct software revision. Must be compatible with other chassis modules.
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
U0305 on Other Vehicles
Common Questions
What does code U0305 mean on a 2012-2015 BMW 320i?
U0305 stands for "Software Incompatibility with ABS Control Module". Data incompatibility between the ABS module and other vehicle control modules.
What are the symptoms of U0305 on a BMW 320i?
Common symptoms of U0305 include: ABS light on, Stability control disabled, Brake assist not working, Traction control off.
What causes U0305 on a 2012-2015 BMW 320i?
Common causes of U0305 include: ABS module software outdated, Software mismatch after partial update, Wrong ABS calibration installed.