OBD Guide

U2199

Incorrect Temperature Gauge Indication

U2199 is an OBD-II diagnostic trouble code meaning: Incorrect Temperature Gauge Indication. Common causes: temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $6–33.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–33 (est.)

Symptoms

  • Incorrect temperature readings on the dashboard
  • Engine overheating without warning
  • Increased fuel consumption
  • Unstable engine operation at idle

Causes

  • Temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in sensor connectors
  • Problems with the control module
  • Corroded contacts or damaged wiring harness

How to Fix

  1. Check the temperature sensor for functionality
  2. Inspect the sensor circuit for opens and shorts
  3. Check the contacts in the sensor and control module connectors
  4. Replace temperature sensor if necessary
  5. Flash or replace the control module if software errors are detected

Related codes

FAQ

What does the U2199 code mean?

U2199 is an OBD-II diagnostic trouble code that indicates: Incorrect Temperature Gauge Indication

What causes a U2199 error code?

The most common causes of U2199 include: Temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Problems with the control module.

How do I fix a U2199 diagnostic trouble code?

To fix U2199: Check the temperature sensor for functionality. Inspect the sensor circuit for opens and shorts. Check the contacts in the sensor and control module connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U2199?

Limited driving only, diagnose soon

How much does it cost to fix U2199?

The estimated repair cost for U2199 is $6–33. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat