Engine-Codes - Honda - B1231 Honda

B1231 Honda Code - Open In The Evaporator Temperature Sensor Circuit

- Code Popularity: 5,857 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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|What are the Possible Causes of the Code B1231 Honda?

  • Faulty Evaporator Temperature Sensor
  • Evaporator Temperature Sensor harness is open or shorted
  • Evaporator Temperature Sensor circuit poor electrical connection
  • Faulty Climate Control Unit

|How to Fix the B1231 Honda 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 B1231 Honda?

Labor: 1.0

The cost to diagnose the B1231 Honda 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 B1231 Honda Possible Symptoms?

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

|What Does the B1231 Honda Code Mean?

The Climate Control Unit monitors the Evaporator Temperature Sensor. The Climate Control Unit sets the OBDII code when the Evaporator Temperature Sensor is not to factory specifications.

Open In The Evaporator Temperature Sensor Circuit

|Need more Information on the B1231 Honda Code?

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|Need Help with the B1231 Honda Code?

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