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AutoCodes - Generic - B1849

B1849 Code - Climate Control Temperature Differential Circuit Failure

- Code Popularity: 4,625 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By - Updated Jul 07, 2019
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|Code B1849 Possible Causes

  • Faulty Climate Control Temperature Sensor
  • Climate Control Temperature Sensor harness is open or shorted
  • Climate Control Temperature Sensor circuit poor electrical connection
  • Faulty Body Control Module (BCM)

|How do I Fix the Code B1849?

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.

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|What is the Cost to Diagnose the Code B1849?

Labor: 1.0

The cost of diagnosing the B1849 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 B1849 Possible Symptoms?

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

|Code B1849 Description

The Body Control Module (BCM) monitors the Climate Control Temperature Differential. The BCM sets the OBDII code when the Climate Control Temperature Differential is not to factory specifications.

OBDII Code B1849 - Climate Control Temperature Differential Circuit Failure -
B1849 Code - Climate Control Temperature Differential Circuit Failure

|Need More Information on the B1849 Code?

Need more information on how to fix the B1849 code? Get Access to Factory Service Manuals

|Need Help with the B1849 Code?

Get the B1849 code diagnosed by a professional: Find a repair shop in your area

|Code B1849 comments

Help us improve 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 B1849 code? Have you replaced any parts?
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