garajizOBD-II code · manufacturer-specific
P1900
Engine Coolant Level Lamp Circuit Short to Ground
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P1900 mean?
P1900 is defined as “Engine Coolant Level Lamp Circuit Short to Ground”.
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.
- Citroen, Diğer, Peugeot: OSS Circuit Intermittent Malfunction
- Ford: Output Shaft Speed (OSS) Circuit Intermittent Malfunction
- Lincoln, Mercury: Output Shaft Speed OSS Circuit Intermittent Malfunction
- Mazda, Nissan: Turbine Speed Sensor Circuit Intermittent
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This page is general information; an exact diagnosis needs measurements and a technician’s check.