AutoCodes – Generic – B2606

B2606 Code - A/C Temperature Sensor Out Of Range

Quick Answer

The Body Control Module (BCM) monitors the A/C Temperature Sensor. Common causes include Faulty A/C Temperature Sensor, A/C Temperature Sensor harness is open or shorted, A/C 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: B2606 indicates A/C Temperature Sensor Out Of Range.
Common causes: Common causes include Faulty A/C Temperature Sensor, A/C Temperature Sensor harness is open or shorted, A/C 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 5,864

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 Jan 07, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2606 Description

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

OBDII Code B2606 - A/C Temperature Sensor Out Of Range - AutoCodes.com — B2606 Code - A/C Temperature Sensor Out Of Range

What does this mean?

What are the Possible Causes of the DTC B2606?

Faulty A/C Temperature Sensor
A/C Temperature Sensor harness is open or shorted
A/C Temperature Sensor circuit poor electrical connection

How to Fix the DTC B2606?

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 B2606 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 B2606 code?

Need more information on how to fix the B2606 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2606 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2606 Buick — Seat Position Sensor
B2606 Cadillac — Seat Position Sensor
B2606 Chevrolet — Seat Position Sensor
B2606 GMC — Seat Position Sensor
B2606 Infiniti — Steering Lock Relay
B2606 Lexus — Key Code Confirm Signal Malfunction
B2606 Nissan — Steering Lock Relay
B2606 Toyota — Key Code Confirm Signal Malfunction

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 B2606 Code

1. What does the OBDII code B2606 mean?

Code B2606 indicates that the A/C temperature sensor is providing a signal that is out of the expected range, which could affect the operation of the climate control system.

2. What are the common symptoms of code B2606?

Symptoms may include erratic or incorrect cabin temperature control, an unresponsive climate control system, or the A/C not working as intended.

3. What causes the B2606 code?

Common causes include a faulty A/C temperature sensor, wiring issues such as a short or open circuit, corroded connectors, or a malfunction in the climate control module.

4. How do you diagnose the B2606 code?

Diagnosis involves using a scan tool to confirm the code, inspecting the A/C temperature sensor and its wiring for damage or corrosion, and testing the sensor's resistance with a multimeter.

5. Can I still drive my car with a B2606 code?

Yes, you can typically still drive with this code, but your climate control system may not function properly, leading to discomfort in extreme temperatures.

6. How do you fix the B2606 code?

Repairs may include replacing the A/C temperature sensor, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the climate control module if necessary.

7. How much does it cost to fix a B2606 code?

The repair cost depends on the root cause but typically ranges from $100 to $300 for sensor replacement. More complex issues, such as module replacement, can cost more.

8. Can a dirty cabin air filter cause the B2606 code?

No, a dirty cabin air filter does not directly cause this code. The issue is specific to the A/C temperature sensor and its related components.

9. What tools are needed to troubleshoot the B2606 code?

Common tools include a diagnostic scan tool, a multimeter for testing electrical connections, and basic hand tools to access the sensor.

10. Does the B2606 code always require sensor replacement?

No, the sensor may not always need replacement. The issue could lie in the wiring, connectors, or the climate control module, so a thorough diagnosis is important.