Powertrain
generic / SAE
P2183
Engine Coolant Temperature Sensor 2 Circuit Range/Performance
ECT sensor 2 reads in range but plausibility check fails — slow response, stuck reading, or value does not track ECT 1 across a warm-up.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number1 / 83
Possible causes
- Sensor drifts over service life high
- Sensor element aged beyond calibration window low
- Sensor mounting loose - signal damping low
Symptoms
- Check engine light on
- Cooling fan runs constantly or not at all
- Cabin heater weak or excessively hot
- Possible long warm-up time or hard cold start
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 40–350 €
- Estimated time: 0.3–2 h
- Component: engine coolant temperature sensor 2
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012