AutoCodes – GMC – B3623 GMC

B3623 GMC Code - Steering Wheel Controls Distance Sensing Cruise Control Gap Up/Down Signal Circuit

Quick Answer

The adaptive cruise control gap switch is used to select a following gap time (or distance) setting for the adaptive cruise control of far, medium, or near. Common causes include Faulty Steering Wheel Controls Switch-Left, Steering Wheel Controls Switch-Left harness is open or shorted, Steering Wheel Controls Switch-Left 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: B3623 GMC indicates Steering Wheel Controls Distance Sensing Cruise Control Gap Up/Down Signal Circuit.
Common causes: Common causes include Faulty Steering Wheel Controls Switch-Left, Steering Wheel Controls Switch-Left harness is open or shorted, Steering Wheel Controls Switch-Left 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 1,860

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 Mar 09, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B3623 GMC Description

The adaptive cruise control gap switch is used to select a following gap time (or distance) setting for the adaptive cruise control of far, medium, or near. The Body Control Module (BCM) detects an invalid voltage signal on the adaptive cruise control gap switch signal circuit for 1 s.

OBDII Code B3623 GMC - Steering Wheel Controls Distance Sensing Cruise Control Gap Up/Down Signal Circuit - AutoCodes.com — B3623 GMC Code - Steering Wheel Controls Distance Sensing Cruise Control Gap Up/Down Signal Circuit

What does this mean?

What are the Possible Causes of the DTC B3623 GMC?

Faulty Steering Wheel Controls Switch-Left
Steering Wheel Controls Switch-Left harness is open or shorted
Steering Wheel Controls Switch-Left circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B3623 GMC?

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 B3623 GMC 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 B3623 GMC code?

Need more information on how to fix the B3623 GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B3623 GMC 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 B3623 GMC Code

1. What are the common symptoms of OBDII code B3623 in a GMC related to the Steering Wheel Controls Distance Sensing Cruise Control Gap Up/Down Signal Circuit?

The common symptoms include malfunctioning cruise control, unresponsive steering wheel controls for adjusting the cruise control gap, and a warning light on the dashboard.

2. What are the possible causes of OBDII code B3623 GMC related to the Steering Wheel Controls Distance Sensing Cruise Control Gap Up/Down Signal Circuit?

Possible causes may include damaged wiring or connectors in the cruise control system, a faulty cruise control module, or a malfunctioning steering wheel control switch.

3. How can I diagnose the issue related to OBDII code B3623 GMC for the Steering Wheel Controls Distance Sensing Cruise Control Gap Up/Down Signal Circuit?

To diagnose the issue, you can use an OBDII scanner to retrieve the specific fault codes, visually inspect the wiring and connectors for any visible damage, and test the cruise control module and steering wheel controls for proper functionality.

4. Is it safe to continue driving with OBDII code B3623 GMC related to the Steering Wheel Controls Distance Sensing Cruise Control Gap Up/Down Signal Circuit?

It is not recommended to continue driving with this issue, as it may affect the functionality of the cruise control system, which could lead to unsafe driving conditions.

5. Can I repair OBDII code B3623 GMC related to the Steering Wheel Controls Distance Sensing Cruise Control Gap Up/Down Signal Circuit myself?

Depending on your level of automotive expertise, you may be able to repair the issue yourself by inspecting and repairing damaged wiring or connectors, replacing the cruise control module, or fixing the steering wheel control switch. Otherwise, it is advisable to seek professional help.

6. How much does it typically cost to repair OBDII code B3623 GMC related to the Steering Wheel Controls Distance Sensing Cruise Control Gap Up/Down Signal Circuit?

The cost of repair can vary depending on the specific cause of the issue. It may range from a simple fix like repairing wiring to a more complex repair involving module replacement. It is best to consult a mechanic for an accurate estimate.

7. Are there any preventive measures to avoid OBDII code B3623 GMC related to the Steering Wheel Controls Distance Sensing Cruise Control Gap Up/Down Signal Circuit?

To prevent this issue, you can regularly inspect the cruise control system components for any signs of wear or damage, avoid harsh handling of the steering wheel controls, and follow the manufacturer's maintenance recommendations.

8. Can OBDII code B3623 GMC related to the Steering Wheel Controls Distance Sensing Cruise Control Gap Up/Down Signal Circuit affect the overall performance of the vehicle?

While the issue primarily affects the cruise control system and steering wheel controls, it can impact the overall driving experience by limiting the functionality of these features. It is essential to address the problem to maintain optimal vehicle performance.

9. How long does it typically take to repair OBDII code B3623 GMC related to the Steering Wheel Controls Distance Sensing Cruise Control Gap Up/Down Signal Circuit?

The repair time can vary depending on the complexity of the issue and the availability of replacement parts. Simple fixes like repairing wiring may take less time, while replacing components like the cruise control module could require more extensive work.

10. Will resetting the OBDII system clear the B3623 GMC code related to the Steering Wheel Controls Distance Sensing Cruise Control Gap Up/Down Signal Circuit?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear. It is important to diagnose and fix the root cause of the problem to prevent the code from returning.