OBD-II code · manufacturer-specific
P1540
Blower Fan Speed Circuit Range/Performance
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P1540 mean?
P1540 is defined as “Blower Fan Speed Circuit Range/Performance”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Buick, Cadillac, Chevrolet, Chrysler, GM, GMC, Oldsmobile, Saturn: A/C System High Pressure
- Citroen, Diğer, Peugeot: Air Bypass Valve Circuit Malfunction
- BMW: Pedal Position Sensor
- Volkswagen: Vehicle Speed Sensor High Input
- Subaru: Vehicle Speed Sensor Malfunction
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.