AutoCodes – Generic – B3622

B3622 Code - Steering Wheel Controls Signal Circuit

Quick Answer

The steering wheel controls are divided into a right-hand set and left-hand set. Common causes include Faulty Steering Wheel Controls Switch, Steering Wheel Controls Switch harness is open or shorted, Steering Wheel Controls Switch 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: B3622 indicates Steering Wheel Controls Signal Circuit.
Common causes: Common causes include Faulty Steering Wheel Controls Switch, Steering Wheel Controls Switch harness is open or shorted, Steering Wheel Controls Switch 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 4,890

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 Jun 14, 2023

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B3622 Description

The steering wheel controls are divided into a right-hand set and left-hand set. The right-hand switch communicates with the instrument cluster through serial data and provides input from the rear left-hand switch and rear right-hand switch. The instrument cluster identifies the switch selection and activates the feature. The Diagnostic Trouble Code (DTC) will be set when an internal electrical malfunction has been detected in the Steering Wheel Controls Switch.

OBDII Code B3622 - Steering Wheel Controls Signal Circuit - AutoCodes.com — B3622 Code - Steering Wheel Controls Signal Circuit

What does this mean?

What are the Possible Causes of the DTC B3622?

Faulty Steering Wheel Controls Switch
Steering Wheel Controls Switch harness is open or shorted
Steering Wheel Controls Switch circuit poor electrical connection

How to Fix the DTC B3622?

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 does this mean?

Code Tech Notes

B3622 39 Steering Wheel Controls Internal Malfunction
B3622 59 Steering Wheel Controls Signal Circuit Protection Time-Out

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B3622 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 B3622 code?

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Need Help with the Code?

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Information for Specific Makes

B3622 Buick — Steering Wheel Controls Signal Circuit
B3622 Cadillac — Steering Wheel Controls Signal Circuit
B3622 Chevrolet — Steering Wheel Controls Signal Circuit
B3622 GMC — Steering Wheel Controls Signal Circuit
B3622 Saturn — Steering Wheel Controls Signal Circuit

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 B3622 Code

1. What are the common symptoms of OBDII code B3622 (Steering Wheel Controls Signal Circuit)?

- Common symptoms include non-functional steering wheel controls, such as buttons not responding or working intermittently.

2. What are the possible causes of OBDII code B3622?

- Possible causes include a faulty steering wheel control module, damaged wiring connections, or a malfunctioning clock spring.

3. How can I diagnose the source of OBDII code B3622?

- Start by checking the wiring connections for any visible damage or loose connections. Test the steering wheel control module and clock spring using a multimeter to identify the faulty component.

4. Can a DIYer repair OBDII code B3622 at home?

- While basic troubleshooting like checking connections can be done at home, repairing or replacing the steering wheel control module or clock spring may require professional assistance due to the complexity of the system.

5. Are there any quick tips to troubleshoot OBDII code B3622?

- Inspect the wiring harness for any signs of damage, ensure all connections are secure, and check for any blown fuses related to the steering wheel controls.

6. How serious is OBDII code B3622?

- While the code itself may not affect the drivability of the vehicle, having non-functional steering wheel controls can impact convenience and safety while driving.

7. Can OBDII code B3622 be cleared/reset without fixing the issue?

- Yes, the code can be cleared using an OBDII scanner, but if the underlying issue causing the code is not resolved, it is likely to reappear.

8. How much does it typically cost to repair OBDII code B3622?

- The cost of repairing OBDII code B3622 can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

9. What should I do if my steering wheel controls are not responding but OBDII code B3622 is not present?

- If the symptoms match but the code is not present, it is recommended to still check the wiring and connections related to the steering wheel controls for any issues.

10. Can OBDII code B3622 cause other problems in the vehicle?

- While the code itself pertains to the steering wheel controls signal circuit, if left unresolved, it could potentially lead to issues with other control systems connected to the steering wheel module.