Fault Code P2181
Code meaning, symptoms, possible causes, part number, and estimated cost.
P2181
Cooling System Performance
This code indicates that the Powertrain Control Module (PCM) has detected that the engine is not reaching or maintaining its optimal operating temperature as expected, suggesting a problem with the cooling system.
Part Details
Part Name
Thermostat (Thermostat)
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪200 - ₪600
Engine Location
Thermostat housing on engine
Symptoms
- Engine overheating
- Engine running too cold
- Slow engine warm-up
- Check Engine Light on
Possible Causes
- 1Faulty thermostat (stuck open or closed)
- 2Defective coolant temperature sensor
- 3Clogged radiator
- 4Faulty water pump
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