garajizOBD-II code · generic
P2423
HC Adsorption Catalyst Efficiency Below Threshold
- System
- P2 — Powertrain / emissions (generic)
- Severity
- Minor (2/5)
- Can I keep driving?
- Usually safe to drive
What does P2423 mean?
P2423 is defined as “HC Adsorption Catalyst Efficiency Below Threshold”.
You can usually keep driving, but have it checked soon so a small fault doesn’t become a bigger one.
Related codes
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.