garajizOBD-II code · generic
U04B6
Invalid Data Received From Catalyst Heater Control Module
- System
- U — In-vehicle network
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does U04B6 mean?
U04B6 is defined as “Invalid Data Received From Catalyst Heater Control Module”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Related codes
- U04B5Invalid Data Received from Brake System Control Module B
- U04BAInvalid Data Received from Switch Input Module “A”
- U04B4Invalid Data Received From Brake Blending Actuator
- U04BBInvalid Data Received from Switch Input Module “B”
- U04B3Invalid Data Received From Planetary Gear Set Control Module
- U04BCInvalid Data Received from Switch Input Module “C”
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.