U045B

Symptoms

• The ABS indicator on the dashboard is on
• Check Engine Light Is On
• Disabling stability control
• Unstable ABS operation
• Errors in other related systems

Causes

• CAN bus problems
• ABS module B malfunction
• Damage to the wiring harness to the ABS module
• Poor contact in connectors
• ABS module power problems

How to Fix

1. Check connections and connectors of ABS module B
2. Check the integrity of the wiring harness
3. Carry out CAN bus diagnostics
4. Check the power and ground of the ABS module
5. If necessary, replace ABS B module
6. Repair only from an authorized dealer

Related codes

Error U045B by Vehicle Brand