garajizOBD-II code · manufacturer-specific
P1456
Evap Emission Control Sys Vent Control Valve Circuit
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Low (1/5)
- Can I keep driving?
- Usually safe to drive
What does P1456 mean?
P1456 is defined as “Evap Emission Control Sys Vent Control Valve Circuit”.
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.
- Acura, Honda, Infiniti: Evaporative Emission Control System Leak Detected Fuel Tank System
- Volkswagen: Exhaust Gas Temperature Control Bank 1 Limit Attained
- Mazda: Fuel Tank Temperature Sensor Circuit
- Citroen, Diğer, Peugeot: Fuel Tank Temperature Sensor Circuit Malfunction
- BMW: Heated Catalyst Heater Power Supply Open Circuit Bank 1
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This page is general information; an exact diagnosis needs measurements and a technician’s check.