garajizOBD-II code · generic
U0421
Invalid Data Received From Ride Level Control Module
- System
- U — In-vehicle network
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does U0421 mean?
U0421 is defined as “Invalid Data Received From Ride Level Control Module”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Related codes
- U0420Invalid Data Received From Power Steering Control Module
- U0422Invalid Data Received From Body Control Module
- U041FInvalid Data Received From Throttle Actuator B Control Module
- U0423Invalid Data Received From Instrument Panel Control Module
- U041EInvalid Data Received From All Wheel Drive Control Module
- U0424Invalid Data Received From HVAC Control Module
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.