Lost Communication with Adaptive Speed Control Module
2008-2008 Mazda Tribute 2.5L I4
The 2008 Mazda Tribute is equipped with a 2.5L inline-4 engine. Below you'll find detailed u0230 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Cannot communicate with the adaptive cruise control or radar-based speed control module.
Symptoms
- Adaptive cruise control disabled
- Radar sensor warning
- ACC not available message
- Forward distance not displayed
Common Causes
- ACC module failure
- CAN bus wiring
- Module power loss
- Fuse blown
- Radar sensor blocked
- Front fascia damage near sensor
Diagnostic Steps
- Check ACC module fuse
- Test power and ground
- Check CAN wiring
- Clean radar sensor area
- Check for front bumper damage near sensor
- Inspect radar sensor alignment
Repair Notes
Check fuses. Radar sensor behind front grille can be blocked by ice, mud, or bumper damage.
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
U0230 on Other Vehicles
Common Questions
What does code U0230 mean on a 2008-2008 Mazda Tribute?
U0230 stands for "Lost Communication with Adaptive Speed Control Module". Cannot communicate with the adaptive cruise control or radar-based speed control module.
What are the symptoms of U0230 on a Mazda Tribute?
Common symptoms of U0230 include: Adaptive cruise control disabled, Radar sensor warning, ACC not available message, Forward distance not displayed.
What causes U0230 on a 2008-2008 Mazda Tribute?
Common causes of U0230 include: ACC module failure, CAN bus wiring, Module power loss, Fuse blown, Radar sensor blocked, Front fascia damage near sensor.
Last updated: March 2026