garajizOBD-II code · manufacturer-specific
P1440
A/C Refrigerant Temperature Circuit Range/Performance
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Low (1/5)
- Can I keep driving?
- Usually safe to drive
What does P1440 mean?
P1440 is defined as “A/C Refrigerant Temperature Circuit Range/Performance”.
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.
- Volkswagen: EGR Valve Power Stage Open
- Nissan: EVAP Control System Small Leak
- Subaru: Fuel Tank Pressure Control System Low Input
- BMW: Purge Control Valve Control Circuit Signal High
- Citroen, Diğer, Jaguar, Peugeot: Purge Valve Stuck Open
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This page is general information; an exact diagnosis needs measurements and a technician’s check.