AutoCodes – GMC – B2203 GMC

B2203 GMC Code - Right Window Up Switch Fault

Quick Answer

The driver or passenger door switch signal circuits provide inputs to the Driver Door Module (DDM) or Passenger Door Module (PDM) when a window switch is activated to the UP or DOWN position. Common causes include Faulty Right Window Up Switch, Right Window Up Switch harness is open or shorted, Right Window Up 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: B2203 GMC indicates Right Window Up Switch Fault.
Common causes: Common causes include Faulty Right Window Up Switch, Right Window Up Switch harness is open or shorted, Right Window Up 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 544

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 Oct 10, 2019

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 B2203 GMC Description

The driver or passenger door switch signal circuits provide inputs to the Driver Door Module (DDM) or Passenger Door Module (PDM) when a window switch is activated to the UP or DOWN position. These inputs allow the door module to detect a window UP or DOWN request. The door modules provide power and ground to the window switches. When a window switch is activated to the UP or DOWN position, ground is supplied through the window switch to the signal circuit, which is pulled low. When the door module detects low voltage on the signal circuit, it will command the window in the UP or DOWN direction. When the switch is released, the command ceases. The door modules monitor the signal circuits to determine how long the ground has been applied. If the door module detects that a ground is applied for greater than 20 seconds, a Diagnostic Trouble Code (DTC) is set.

OBDII Code B2203 GMC - Right Window Up Switch Fault - AutoCodes.com — B2203 GMC Code - Right Window Up Switch Fault

What does this mean?

What are the Possible Causes of the DTC B2203 GMC?

Faulty Right Window Up Switch
Right Window Up Switch harness is open or shorted
Right Window Up Switch circuit poor electrical connection
Faulty Passenger Door Module (PDM)

How to Fix the DTC B2203 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 B2203 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 B2203 GMC code?

Need more information on how to fix the B2203 GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2203 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 B2203 GMC Code

1. What are the common symptoms of OBDII code B2203 GMC (Right Window Up Switch Fault)?

The common symptoms include the inability to operate the right window using the up switch and possible issues with other power window functions.

2. What are the possible causes of the B2203 GMC code?

The code B2203 typically indicates a fault with the right window up switch, which could be caused by a defective switch, wiring issues, or a malfunction in the window control module.

3. How can I diagnose the Right Window Up Switch Fault (B2203 code) in my GMC vehicle?

You can diagnose the issue by checking the wiring connections, testing the right window up switch for continuity, and using a scan tool to retrieve the trouble codes stored in the vehicle's computer.

4. Can I still use the other power window switches if the B2203 code is triggered?

In most cases, you should still be able to operate the other power window switches despite the B2203 code being present, but it's recommended to address the issue promptly to avoid further electrical problems.

5. Is it possible to reset the B2203 code without replacing any parts?

Resetting the B2203 code may temporarily clear the error, but if the underlying issue with the right window up switch is not addressed, the code is likely to reappear. It's best to diagnose and repair the root cause of the fault.

6. How difficult is it to repair the Right Window Up Switch Fault triggering the B2203 code?

The difficulty of the repair depends on the exact cause of the fault. Replacing a faulty switch may be relatively straightforward, while troubleshooting wiring issues or module malfunctions could require more advanced skills and tools.

7. Can I continue driving my GMC with the B2203 code present?

While you may be able to drive your vehicle with the B2203 code present, it's advisable to have the issue resolved as soon as possible to ensure all power window functions are working correctly and to prevent potential electrical problems.

8. Will the B2203 code cause any safety concerns while driving?

The B2203 code is related to the right window up switch and is unlikely to cause immediate safety concerns while driving. However, it's important to address the issue to maintain the proper functionality of the power window system.

9. Are there any temporary fixes for the Right Window Up Switch Fault related to the B2203 code?

Temporary fixes like cleaning the switch contacts or resetting the code may provide a short-term solution, but for a long-lasting repair, it's best to identify and resolve the root cause of the fault.

10. How much can I expect to pay to repair the Right Window Up Switch Fault causing the B2203 code?

Repair costs for the B2203 code can vary depending on the exact cause of the fault, labor rates, and parts prices. It's recommended to consult with a professional mechanic or dealership for an accurate estimate based on your specific vehicle.