OBD Guide

P2182

Engine Coolant Temperature Sensor 2 Circuit

P2182 is an OBD-II diagnostic trouble code meaning: Engine Coolant Temperature Sensor 2 Circuit. Common causes: coolant temperature sensor 2 malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $6–28.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–28 (est.)

Symptoms

  • Incorrect temperature readings on the dashboard
  • Engine overheating
  • Increased fuel consumption
  • Unstable engine operation at idle
  • Check Engine Light Is On

Causes

  • Coolant temperature sensor 2 malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Corrosion on sensor terminals
  • ECU malfunction (rare)

How to Fix

  1. Check sensor resistance at different temperatures
  2. Inspect the wiring harness and connectors for damage.
  3. Check voltage and continuity
  4. Replace the coolant temperature sensor if necessary
  5. Clean terminals and connector contacts

Related codes

Error P2182 by Vehicle Brand

FAQ

What does the P2182 code mean?

P2182 is an OBD-II diagnostic trouble code that indicates: Engine Coolant Temperature Sensor 2 Circuit

What causes a P2182 error code?

The most common causes of P2182 include: Coolant temperature sensor 2 malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Corrosion on sensor terminals.

How do I fix a P2182 diagnostic trouble code?

To fix P2182: Check sensor resistance at different temperatures. Inspect the wiring harness and connectors for damage.. Check voltage and continuity. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2182?

Limited driving only, diagnose soon

How much does it cost to fix P2182?

The estimated repair cost for P2182 is $6–28. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat