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AutoCodes - Generic - B1857

B1857 Code - Climate Control On/Off Switch Circuit Failure

- Code Popularity: 3,407 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
By AutoCodes.com - Updated Jul 07, 2019
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|Code B1857 Possible Causes

  • Faulty Climate Control On/Off Switch
  • Climate Control On/Off Switch harness is open or shorted
  • Climate Control On/Off Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)

|How do I Fix the Code B1857?

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 B1857?

Labor: 1.0

The cost of diagnosing the B1857 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 B1857 Possible Symptoms?

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

|Code B1857 Description

The Body Control Module (BCM) monitors the Climate Control On/Off Switch. The BCM sets the OBDII code when the Climate Control On/Off Switch is not to factory specifications.

OBDII Code B1857 - Climate Control On/Off Switch Circuit Failure - AutoCodes.com
B1857 Code - Climate Control On/Off Switch Circuit Failure

|Need More Information on the B1857 Code?

Need more information on how to fix the B1857 code? Get Access to Factory Service Manuals

|Information for Specific Makes

  • B1857 Lexus Short To Ground In Rear Side Squib Left Circuit
  • B1857 Scion Short To Ground In Rear Side Squib Left Circuit
  • B1857 Toyota Short To Ground In Rear Side Squib Left Circuit

|Need Help with the B1857 Code?

Get the B1857 code diagnosed by a professional: Find a repair shop in your area

|Code B1857 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 B1857 code? Have you replaced any parts?
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