Software Incompatibility with Cruise Control Module
2002-2008 Jaguar X-Type 2.5L V6
Description
Software incompatibility with the cruise control system causing data errors.
Symptoms
- Cruise control erratic
- Adaptive cruise not engaging
- Speed set point drifting
- Cruise control disabling unexpectedly
Common Causes
- Cruise module software outdated
- Software conflict after update
- Module version mismatch
Diagnostic Steps
- Check cruise control module software version
- Update module software
- Check for known software conflicts
- Verify module compatibility
Repair Notes
Update cruise control module software to version compatible with other vehicle 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
U0304 on Other Vehicles
Jaguar E-PACE
2018-2024 2.0L I4 Turbo
Jaguar F-PACE
2017-2024 2.0L I4 Turbo
Jaguar F-PACE
2017-2024 3.0L V6 Supercharged
Jaguar F-Type
2014-2024 3.0L V6 Supercharged
Jaguar F-Type R
2014-2024 5.0L V8 Supercharged
Jaguar I-PACE
2019-2024 Electric AWD
Jaguar S-Type
2000-2008 3.0L V6
Jaguar XE
2017-2024 2.0L I4 Turbo
Common Questions
What does code U0304 mean on a 2002-2008 Jaguar X-Type?
U0304 stands for "Software Incompatibility with Cruise Control Module". Software incompatibility with the cruise control system causing data errors.
What are the symptoms of U0304 on a Jaguar X-Type?
Common symptoms of U0304 include: Cruise control erratic, Adaptive cruise not engaging, Speed set point drifting, Cruise control disabling unexpectedly.
What causes U0304 on a 2002-2008 Jaguar X-Type?
Common causes of U0304 include: Cruise module software outdated, Software conflict after update, Module version mismatch.