Engine-Codes - Generic - B1858

B1858 Code - Climate Control A/C Pressure Switch Circuit Failure

- Code Popularity: 7,727 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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|What are the Possible Causes of the Code B1858?

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

|How to Fix the B1858 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.

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|What is the Cost to Diagnose the Code B1858?

Labor: 1.0

The cost to diagnose the B1858 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.

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|What are Code B1858 Possible Symptoms?

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

|What Does the B1858 Code Mean?

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

B1858 Code - Climate Control A/C Pressure Switch Circuit Failure

|Need more Information on the B1858 Code?

Need more information on how to fix the B1858 code? Get Access to Factory Service Manuals

|Code B1858 Information for Specific Makes

  • B1858 Chrysler Driver Window Position Sensor Power Supply Low
  • B1858 Dodge Driver Window Position Sensor Power Supply Low
  • B1858 Jeep Driver Window Position Sensor Power Supply Low
  • B1858 Lexus Short To Positive In Rear Side Squib Left Circuit
  • B1858 RAM Driver Window Position Sensor Power Supply Low
  • B1858 Scion Short To Positive In Rear Side Squib Left Circuit
  • B1858 Toyota Short To Positive In Rear Side Squib Left Circuit

|Need Help with the B1858 Code?

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