garajizOBD-II code · generic
P04F9
Catalyst Heater Circuit Intermittent Bank 2
- System
- P0 — Powertrain (generic)
- Severity
- Minor (2/5)
- Can I keep driving?
- Usually safe to drive
What does P04F9 mean?
P04F9 is defined as “Catalyst Heater Circuit Intermittent Bank 2”.
You can usually keep driving, but have it checked soon so a small fault doesn’t become a bigger one.
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This page is general information; an exact diagnosis needs measurements and a technician’s check.