AutoCodes – Generic – B2380

B2380 Code - Heater Coolant Temperature Sensor Circuit Short To Ground

Quick Answer

The Body Control Module (BCM) monitors the Heater Coolant Temperature Sensor. Common causes include Faulty Heater Coolant Temperature Sensor, Heater Coolant Temperature Sensor harness is open or shorted, Heater Coolant Temperature Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B2380 indicates Heater Coolant Temperature Sensor Circuit Short To Ground.
Common causes: Common causes include Faulty Heater Coolant Temperature Sensor, Heater Coolant Temperature Sensor harness is open or shorted, Heater Coolant Temperature Sensor circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 3,561

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Dec 04, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2380 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 B2380 - Heater Coolant Temperature Sensor Circuit Short To Ground - AutoCodes.com — B2380 Code - Heater Coolant Temperature Sensor Circuit Short To Ground

What does this mean?

What are the Possible Causes of the DTC B2380?

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 to Fix the DTC B2380?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B2380 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B2380 code?

Need more information on how to fix the B2380 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2380 code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B2380 Code

1. What are the common symptoms of OBDII code B2380 Heater Coolant Temperature Sensor Circuit Short To Ground?

The common symptoms include engine overheating, inaccurate temperature readings on the dashboard, and potential stalling or rough idling.

2. What are the possible causes of OBDII code B2380?

Potential causes of this code include a short circuit in the coolant temperature sensor wiring, a faulty coolant temperature sensor, or a problem with the Engine Control Module (ECM).

3. How can I diagnose the issue related to OBDII code B2380?

Diagnosing the issue involves checking the wiring and connectors related to the coolant temperature sensor, testing the sensor itself for proper operation, and using a multimeter to check for electrical continuity and shorts.

4. Can a DIY enthusiast repair OBDII code B2380 Heater Coolant Temperature Sensor Circuit Short To Ground?

While some enthusiasts may be able to address this issue with the right tools and knowledge, it's recommended to consult a professional mechanic for accurate diagnosis and repair to avoid further complications.

5. How important is it to address OBDII code B2380 promptly?

Ignoring this code can lead to potential engine damage due to overheating or incorrect fuel mixture, so it is crucial to address this issue promptly to avoid more severe problems.

6. Is it safe to drive with OBDII code B2380 active?

It is not recommended to drive with this code active, as it can lead to unpredictable engine behavior and potential overheating issues that may cause further damage to the vehicle.

7. How much does it typically cost to repair OBDII code B2380 Heater Coolant Temperature Sensor Circuit Short To Ground?

The cost of repair can vary depending on the underlying cause, but it may range from $100 to $300 for parts and labor at a professional repair shop.

8. Are there any preventive measures to avoid encountering OBDII code B2380 in the future?

Regular maintenance, including checking the coolant temperature sensor and related wiring during servicing, can help prevent issues that may trigger this code in the future.

9. Can extreme weather conditions impact the occurrence of OBDII code B2380?

Extreme temperatures can sometimes affect the performance of the coolant temperature sensor and its circuit, potentially leading to the activation of this code.

10. How long does it usually take to repair OBDII code B2380?

The repair time can vary based on the exact cause of the issue and the expertise of the mechanic, but it typically takes between 1 to 2 hours to diagnose and fix the problem associated with this code.