OBD Guide
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B1411

Room Temperature Sensor Circuit

B1411 is an OBD-II diagnostic trouble code meaning: Room Temperature Sensor Circuit. Common causes: faulty interior temperature sensor, open or short circuit in wiring harness. Estimated repair cost: $22–56.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–56 (est.)

Symptoms

  • Incorrect operation of climate control
  • Incorrect interior temperature readings
  • Malfunctions in the heating/ventilation system

Causes

  • Faulty interior temperature sensor
  • Open or short circuit in wiring harness
  • Poor contact in connectors
  • Malfunction of the climate control control module

How to Fix

  1. Check the integrity of the interior temperature sensor
  2. Inspect the wiring harness for damage
  3. Check the contacts in the sensor and module connectors
  4. If necessary, replace the sensor or repair the wiring harness
  5. Reset the error and check the system operation

Related codes

B1412B1413B1414

FAQ

What does the B1411 code mean?

B1411 is an OBD-II diagnostic trouble code that indicates: Room Temperature Sensor Circuit

What causes a B1411 error code?

The most common causes of B1411 include: Faulty interior temperature sensor; Open or short circuit in wiring harness; Poor contact in connectors; Malfunction of the climate control control module.

How do I fix a B1411 diagnostic trouble code?

To fix B1411: Check the integrity of the interior temperature sensor. Inspect the wiring harness for damage. Check the contacts in the sensor and module connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1411?

Yes, but get it checked soon

How much does it cost to fix B1411?

The estimated repair cost for B1411 is $22–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat