OBD-II code · Powertrain (generic, extended)
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.
Is it safe to drive with P2183?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySensor drifts over service life
- Less likelySensor element aged beyond calibration window
- Less likelySensor mounting loose - signal damping
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
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–2 h
- Emissions test
- Likely to fail
- Parts involved
- Engine Coolant Temperature Sensor 2
Related codes
- P01E4Engine Coolant Temperature Sensor 3 Circuit Range/Performance
- P2182Engine Coolant Temperature Sensor 2 Circuit
- P2180System Too Rich Off Idle Bank 2
- P2181Cooling System Performance
- P2184Engine Coolant Temperature Sensor 2 Circuit Low
- P2185Engine Coolant Temperature Sensor 2 Circuit High
- P2186Engine Coolant Temperature Sensor 2 Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.