AutoCodes.com | All About OBDII Engine Codes
AutoCodes - Generic - B1411

B1411 Code - Room Temperature Sensor Circuit

- Code Popularity: 7,950 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
By AutoCodes.com - Updated Sep 19, 2022
Share on Facebook   Share on Twitter   Share on Linkedin

|Code B1411 Possible Causes

  • Faulty Cooler Thermistor (Room Temperature Sensor)
  • Room Temperature Sensor harness is open or shorted
  • Room Temperature Sensor circuit poor electrical connection
  • Faulty Air Conditioning Amplifier Assembly

|How do I Fix the Code B1411?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Does your Car have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code B1411?

Labor: 1.0

The cost of diagnosing the B1411 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

|What are Code B1411 Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|Code B1411 Description

The Cooler Thermistor (Room Temperature Sensor) is installed in the instrument panel to detect the cabin temperature which is used to control the heater and air conditioning system AUTO mode. The resistance of the Cooler Thermistor (Room Temperature Sensor) Thermistor changes in accordance with the cabin temperature. As the temperature decreases, the resistance increases. As the temperature increases, the resistance decreases.
The Air Conditioning Amplifier Assembly applies a voltage (5 V) to the Cooler Thermistor (Room Temperature Sensor) and reads voltage changes due to changes in the resistance of the Cooler Thermistor (Room Temperature Sensor).
The Diagnostic Trouble Code (DTC) will be set when the Air Conditioning Amplifier Assembly detects an open or short in the Cooler Thermistor (Room Temperature Sensor) circuit.

OBDII Code B1411 - Room Temperature Sensor Circuit - AutoCodes.com
B1411 Code - Room Temperature Sensor Circuit

|Need More Information on the B1411 Code?

Need more information on how to fix the B1411 code? Get Access to Factory Service Manuals

|Information for Specific Makes

|Need Help with the B1411 Code?

Get the B1411 code diagnosed by a professional: Find a repair shop in your area

|Code B1411 comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the B1411 code? Have you replaced any parts?
Any information is appreciated. Thanks