AutoCodes – Generic – B3822

B3822 Code - Right Rear Window Up Control Circuit

Quick Answer

The Body Control Module (BCM) grounds the control side of the right rear power window up relay upon receiving a class 2 message from the Driver Door Module (DDM). Common causes include Faulty Right Rear Power Window Switch, Right Rear Power Window Switch harness is open or shorted, Right Rear Power Window 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: B3822 indicates Right Rear Window Up Control Circuit.
Common causes: Common causes include Faulty Right Rear Power Window Switch, Right Rear Power Window Switch harness is open or shorted, Right Rear Power Window 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.

Save to My Repairs My Repairs

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

Code Popularity 518

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 17, 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 B3822 Description

The Body Control Module (BCM) grounds the control side of the right rear power window up relay upon receiving a class 2 message from the Driver Door Module (DDM). The Diagnostic Trouble Code (DTC) sets when the BCM has grounded the right rear power window up relay control circuit and the control circuit is shorted to battery positive voltage.

OBDII Code B3822 - Right Rear Window Up Control Circuit - AutoCodes.com — B3822 Code - Right Rear Window Up Control Circuit

What does this mean?

What are the Possible Causes of the DTC B3822?

Faulty Right Rear Power Window Switch
Right Rear Power Window Switch harness is open or shorted
Right Rear Power Window Switch circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B3822?

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 B3822 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 B3822 code?

Need more information on how to fix the B3822 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B3822 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B3822 Buick — Right Rear Window Up Control Circuit
B3822 Cadillac — Right Rear Window Up Control Circuit
B3822 Chevrolet — Right Rear Window Up Control Circuit
B3822 GMC — Right Rear Window Up Control 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 B3822 Code

1. What are common symptoms of OBDII code B3822 (Right Rear Window Up Control Circuit)?

- Common symptoms include the right rear window being unable to roll up using the control switch.

2. What are possible causes of OBDII code B3822?

- Potential causes include a faulty right rear window control switch, damaged wiring, or a malfunctioning window regulator.

3. How can I diagnose the cause of OBDII code B3822?

- You can start by checking the right rear window control switch for proper functionality and inspecting the wiring for any visible damage.

4. Can a blown fuse cause OBDII code B3822 to trigger?

- Yes, a blown fuse related to the right rear window circuit can also lead to OBDII code B3822 being set.

5. Is it safe to continue driving with OBDII code B3822 present?

- It is generally safe to drive with this code, but it is recommended to address the issue promptly to avoid further inconvenience.

6. How can I repair OBDII code B3822 myself?

- If you have experience with automotive electrical systems, you can try replacing the right rear window control switch or repairing any damaged wiring.

7. Should I reset the OBDII code B3822 after making repairs?

- Yes, after addressing the issue causing the code, it is recommended to clear the code using an OBDII scanner to see if it returns.

8. Can extreme weather conditions affect OBDII code B3822?

- Extreme temperatures or moisture can potentially worsen the symptoms associated with this code, so it's important to address the issue promptly.

9. How much does it typically cost to repair OBDII code B3822 at a professional auto repair shop?

- The cost of repairing this code can vary depending on the exact cause, but it may range from $100 to $300, including parts and labor.

10. Will fixing OBDII code B3822 improve the overall functionality of my vehicle?

- Yes, resolving this code will ensure proper operation of the right rear window control, enhancing the convenience and functionality of your vehicle.