garajizOBD-II code · manufacturer-specific
U2021
Invalid /fault data received (Non SCP)
- System
- U — In-vehicle network
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does U2021 mean?
U2021 is defined as “Invalid /fault data received (Non SCP)”.
Drive gently and only as far as you need to; have it checked as soon as possible.
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This page is general information; an exact diagnosis needs measurements and a technician’s check.