Software Incompatibility with ABS Control Module
2002-2002 Cadillac Escalade 6.0L V8
The 2002 Cadillac Escalade is equipped with a 6.0L V8 engine. Below you'll find detailed u0305 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
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- ABS module software outdated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 2002-2002 Cadillac Escalade?
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 Cadillac Escalade?
Common symptoms of U0305 include: ABS light on, Stability control disabled, Brake assist not working, Traction control off.
What causes U0305 on a 2002-2002 Cadillac Escalade?
Common causes of U0305 include: ABS module software outdated, Software mismatch after partial update, Wrong ABS calibration installed.
Last updated: March 2026