Engine-Codes - Generic - B1850

B1850 Code - Climate Control Temperature Differential Circuit Open

- Code Popularity: 11,471 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B1850?

  • 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 to Fix the B1850 Code?

Start by checking 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.

|What is the Cost to Diagnose the Code B1850?

Labor: 1.0

The cost to diagnose the B1850 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

Does your Car have Safety Recalls? → Check here

|What are Code B1850 Possible Symptoms?

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

|What Does the B1850 Code Mean?

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.

B1850 Code - Climate Control Temperature Differential Circuit Open

|Need more Information on the B1850 Code?

Need more information on how to fix the B1850 code? Get Access to Factory Service Manuals

|Code B1850 Information for Specific Makes

|Need Help with the B1850 Code?

Get the B1850 code diagnosed by a professional: Find a repair shop in your area