AutoCodes – GMC – U0233 GMC

U0233 GMC Code - Lost Communication With Right Side Object Detection Control Module

Quick Answer

Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Faulty Right Side Object Detection Control Module, Right Side Object Detection Control Module harness is open or shorted, Right Side Object Detection Control Module 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: U0233 GMC indicates Lost Communication With Right Side Object Detection Control Module.
Common causes: Common causes include Faulty Right Side Object Detection Control Module, Right Side Object Detection Control Module harness is open or shorted, Right Side Object Detection Control Module 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 2,458

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 Apr 05, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U0233 GMC Description

Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data circuits monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the modules. The modules have prerecorded information about what messages are needed to be exchanged on the serial data circuits, for each virtual network. The messages are supervised and also, some periodic messages are used by the receiver module as an availability indication of the transmitter module. The supervision time-out period is 250 ms. Each message contains the identification number of the transmitter module. The Diagnostic Trouble Code (DTC) sets when a periodic message from the Right Side Object Detection Control Module has not been received.

OBDII Code U0233 GMC - Lost Communication With Right Side Object Detection Control Module - AutoCodes.com — U0233 GMC Code - Lost Communication With Right Side Object Detection Control Module

What does this mean?

What are the Possible Causes of the DTC U0233 GMC?

Faulty Right Side Object Detection Control Module
Right Side Object Detection Control Module harness is open or shorted
Right Side Object Detection Control Module circuit poor electrical connection

How to Fix the DTC U0233 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 U0233 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.

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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 U0233 GMC Code

1. What are the common symptoms of OBDII code U0233 in a GMC related to the Right Side Object Detection Control Module?

- Common symptoms include a disabled or malfunctioning right side object detection system, warning lights on the dashboard, and potential loss of communication with the module.

2. What are the possible causes of OBDII code U0233 in a GMC indicating Lost Communication With Right Side Object Detection Control Module?

- Possible causes may include a faulty control module, damaged wiring or connectors, corrosion in the electrical components, or a software issue.

3. How can I diagnose the issue related to OBDII code U0233 in a GMC for the Right Side Object Detection Control Module?

- Diagnosis typically involves using a diagnostic scanner to retrieve the trouble codes, checking the wiring and connectors for any damage, and testing the control module for proper functioning.

4. Is it safe to drive a GMC with the OBDII code U0233 indicating Lost Communication With Right Side Object Detection Control Module?

- It is generally safe to drive the vehicle, but it is recommended to address the issue promptly to ensure the proper functioning of the right side object detection system.

5. What are some repair tips for resolving OBDII code U0233 in a GMC related to the Right Side Object Detection Control Module?

- Repair tips may include checking and repairing any damaged wiring or connectors, replacing the faulty control module, clearing the trouble codes, and resetting the system.

6. Can a DIY enthusiast fix the OBDII code U0233 issue in a GMC on their own?

- While some basic troubleshooting steps can be performed by DIY enthusiasts, diagnosing and repairing complex electrical issues related to the control module may require professional assistance.

7. How much does it typically cost to repair OBDII code U0233 in a GMC due to Lost Communication With Right Side Object Detection Control Module?

- The cost of repair can vary depending on the specific issue, but it may involve expenses related to parts replacement, labor costs, and diagnostic fees.

8. Are there any recalls or technical service bulletins related to OBDII code U0233 in GMC vehicles?

- It is recommended to check with the manufacturer or authorized service centers for any recalls or technical service bulletins related to this specific OBDII code in GMC vehicles.

9. Will resetting the trouble codes resolve OBDII code U0233 indicating Lost Communication With Right Side Object Detection Control Module in a GMC?

- Resetting the trouble codes may temporarily clear the warning lights, but it is essential to diagnose and address the underlying issue to prevent the code from reoccurring.

10. How can I prevent OBDII code U0233 in a GMC related to the Right Side Object Detection Control Module from happening in the future?

- To prevent this code from happening in the future, ensure regular maintenance checks, avoid water damage to electrical components, and address any warning lights or malfunctions promptly.