garajizOBD-II code · generic
P2420
Evaporative Emission System Switching Valve Control Circuit High
- System
- P2 — Powertrain / emissions (generic)
- Severity
- Low (1/5)
- Can I keep driving?
- Usually safe to drive
What does P2420 mean?
P2420 is defined as “Evaporative Emission System Switching Valve Control Circuit High”.
You can usually keep driving, but have it checked soon so a small fault doesn’t become a bigger one.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Kia: DMTL Valve Short To Battery Voltage
- Volvo: Leak Diagnostic Unit Valve Signal Too High
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This page is general information; an exact diagnosis needs measurements and a technician’s check.