Error code
OBD2 P2558
OBD2P2558
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Engine Coolant Level Sensor/Switch Circuit Low.
Severity
moderateCan drive, but monitor the coolant level and address the issue soon.
Summary
P2558 indicates an issue with the engine coolant level sensor/switch circuit, which is detecting a low signal from this sensor. This can also refer to issues with the power take-off (PTO) speed selector sensor/switch.
Common Causes
- Wiring short to ground on the engine coolant 'low' sensor/switch
- Issues with wiring or the PTO speed selector sensor/switch
Fixes
FAQ
What does P2558 mean?
P2558 indicates a problem with the engine coolant level sensor/switch circuit or the power take-off (PTO) speed selector sensor/switch circuit.
How serious is this code?
This issue is moderate in severity. It's important to address it soon, but you can usually continue driving while monitoring the coolant level.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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