AutoCodes – Honda – B2996 Honda

B2996 Honda Code - Open In The Heater Core Temperature Sensor Circuit

Quick Answer

The Climate Control Unit monitors the Heater Core Temperature Sensor. Common causes include Faulty Heater Core Temperature Sensor, Heater Core Temperature Sensor harness is open or shorted, Heater Core 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
B2996 Honda indicates Open In The Heater Core Temperature Sensor Circuit.
Common causes
Common causes include Faulty Heater Core Temperature Sensor, Heater Core Temperature Sensor harness is open or shorted, Heater Core 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 2,292
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Feb 27, 2020
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Code B2996 Honda Description

The Climate Control Unit monitors the Heater Core Temperature Sensor. The Climate Control Unit sets the OBDII code when the Heater Core Temperature Sensor is not to factory specifications.
OBDII Code B2996 Honda - Open In The Heater Core Temperature Sensor Circuit - AutoCodes.com
B2996 Honda Code - Open In The Heater Core Temperature Sensor Circuit

What are the Possible Causes of the DTC B2996 Honda?

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

How to Fix the DTC B2996 Honda?

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 B2996 Honda 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.

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Need Help with the Code?

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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 B2996 Honda Code

1. What are the common symptoms of OBDII code B2996 in a Honda related to an open in the heater core temperature sensor circuit?

- Common symptoms include issues with the heating system, such as lack of heat or inconsistent temperature control inside the vehicle.

2. What are the possible causes of an open in the heater core temperature sensor circuit triggering OBDII code B2996 in a Honda?

- Causes may include a damaged heater core temperature sensor, wiring issues, or a faulty connector in the circuit.

3. How can I diagnose the source of the open in the heater core temperature sensor circuit triggering OBDII code B2996 in my Honda?

- You can use a multimeter to test the heater core temperature sensor for continuity, check the wiring for any breaks or damage, and inspect the connectors for proper connection.

4. Can I still drive my Honda with OBDII code B2996 related to an open in the heater core temperature sensor circuit?

- It is generally safe to drive the vehicle, but you may experience issues with the heating system. It's recommended to address the problem promptly to avoid further complications.

5. Are there any simple repair tips for fixing the open in the heater core temperature sensor circuit causing OBDII code B2996 in a Honda?

- Start by checking and repairing any damaged wiring or connectors. If the issue persists, consider replacing the heater core temperature sensor.

6. Will resetting the OBDII code B2996 related to an open in the heater core temperature sensor circuit in my Honda solve the problem?

- Resetting the code may temporarily clear the warning light, but it will not fix the underlying issue causing the open circuit. Proper diagnosis and repair are necessary.

7. How much can I expect to pay to repair the open in the heater core temperature sensor circuit triggering OBDII code B2996 in my Honda?

- The cost can vary depending on the exact cause of the issue and whether you perform the repairs yourself or take your vehicle to a professional. It's advisable to get a few quotes for an accurate estimate.

8. Is it possible to prevent OBDII code B2996 related to an open in the heater core temperature sensor circuit in my Honda?

- While some issues may arise unexpectedly, regular maintenance checks and addressing any heating system problems promptly can help prevent this specific OBDII code from occurring.

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