Engine Coolant Temperature Sensor 2 Circuit Range/Performance
The P2183 code means the vehicle's onboard diagnostic system has detected: Engine Coolant Temperature Sensor 2 Circuit Range/Performance. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- easy
- Estimated cost
- $50 - $200 (parts and labor)
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Common Symptoms
- Check Engine Light on
- CTS 2 reading outside expected range
- Minor engine management differences
- Fan timing may be slightly off
- No severe drivability symptoms
Probable Causes (Ranked by Likelihood)
- CTS 2 reading drifted from specification Very High
- Air pocket near CTS 2 sensor High
- CTS 2 sensor contamination Moderate
- Intermittent CTS 2 wiring connection Low
Frequently Asked Questions
What does P2183 mean?
P2183 indicates: Engine Coolant Temperature Sensor 2 Circuit Range/Performance. The ECM has identified an abnormal condition that needs attention.
Can I drive with P2183?
Yes, but repair soon for optimal performance.
What is the most common fix?
The most common fix depends on the root cause. Start with basic checks like vacuum leaks, sensor conditions, and fluid levels before replacing components.
Mechanics Guide Step-by-step diagnosis
Step-by-Step Diagnostic Procedure
-
Compare CTS 2 to CTS 1 readings on cold start
-
Check for air in cooling system near CTS 2
-
Inspect CTS 2 sensor for contamination
-
Replace CTS 2 if readings are inconsistent
Sources 2
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines the generic OBD-II code ranges)
- Cross-checked against the SAE J2012:2002 DTC table (2026-08-27)archived scan of the SAE standard — readable copy, not SAE’s current edition
Commonly Affected Vehicles
- 2010-2020 Toyota Camry 2.5L
- 2012-2019 Honda Civic 2.0L
- 2008-2018 Ford F-150 5.0L
- 2011-2019 Hyundai Sonata 2.4L
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