P2182 Fault Code

Engine Coolant Temperature Sensor 2 Circuit

• What does that mean?
• Symptoms
• Causes
• Solutions

The P2182 fault code refers to an issue within the Engine Coolant Temperature Sensor 2 circuit. This sensor plays a crucial role in monitoring the temperature of the engine coolant and provides this information to the engine control unit (ECU) to optimize engine performance and emissions. When a malfunction occurs in this circuit, it can result in impaired engine operation, leading to various performance issues.

What are the symptoms of the P2182 code?

Symptoms associated with the P2182 code may include:

• Illumination of the check engine light.
• Poor engine performance, such as rough idling or stalling.
• Increased fuel consumption due to incorrect temperature readings.
• Engine overheating or running too cool, impacting efficiency.

What causes the P2182 code?

Common causes of the P2182 error code include:

• A faulty Engine Coolant Temperature Sensor 2.
• Damaged wiring or connectors in the sensor circuit.
• Poor electrical connections, leading to intermittent signals.
• Issues with the engine control unit affecting sensor readings.

How to fix P2182?

To resolve the P2182 fault code, the following steps should be taken:

• Inspect the Engine Coolant Temperature Sensor 2 for any signs of damage and replace if necessary.
• Check the wiring and connectors for any issues, repairing or replacing them as needed.
• Clear the fault code from the vehicle's ECU and perform a test drive to ensure the issue is resolved.
• If problems persist, further diagnostics may be required to assess the ECU or other related systems.