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AutoCodes - Generic - B2381

B2381 Code - Heater Coolant Temperature Sensor Circuit Open

- Code Popularity: 3,106 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By - Updated Dec 04, 2019
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|Code B2381 Possible Causes

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

|How do I Fix the Code B2381?

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 B2381?

Labor: 1.0

The cost of diagnosing the B2381 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 B2381 Possible Symptoms?

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

|Code B2381 Description

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

OBDII Code B2381 - Heater Coolant Temperature Sensor Circuit Open -
B2381 Code - Heater Coolant Temperature Sensor Circuit Open

|Need More Information on the B2381 Code?

Need more information on how to fix the B2381 code? Get Access to Factory Service Manuals

|Need Help with the B2381 Code?

Get the B2381 code diagnosed by a professional: Find a repair shop in your area

|Code B2381 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 B2381 code? Have you replaced any parts?
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