Powertrain
generic / SAE
P2559
Engine Coolant Level Sensor/Switch Circuit High
Coolant level sensor signal voltage above the upper limit — short to reference voltage or open signal return.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / 59
Possible causes
- Signal wire shorted to reference voltage high
- Connector pins corroded - high contact resistance low
- Supply wire pinched against B+ source low
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 40–250 €
- Estimated time: 0.3–1 h
- Component: coolant level sensor
- Component: sensor wiring
- MIL / check engine light
Sources
References
sae:J2012