AutoCodesBuick – U2503 Buick

U2503 Buick Code - Invalid Data Received From Object Detection Control Module

Quick Answer

Some devices are constantly receiving information from other devices through serial data communication network. Common causes include Reprogram Object Detection Control Module, Faulty Object Detection Control Module, Object Detection Control Module harness is open or shorted. 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
U2503 Buick indicates Invalid Data Received From Object Detection Control Module.
Common causes
Common causes include Reprogram Object Detection Control Module, Faulty Object Detection Control Module, Object Detection Control Module harness is open or shorted.
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 432
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 17, 2020
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Code U2503 Buick Description

Some devices are constantly receiving information from other devices through serial data communication network. The invalid data code will be set when a receiving device detects a discrepancy in the information it receives from another device causing its integrity to be questioned. The symptom byte listed in the Diagnostic Trouble Code (DTC) Descriptor is for engineering reference only. No external circuit diagnosis is involved. The DTC will set if the Object Detection Control Module is not configured properly.
OBDII Code U2503 Buick - Invalid Data Received From Object Detection Control Module - AutoCodes.com
U2503 Buick Code - Invalid Data Received From Object Detection Control Module

What are the Possible Causes of the DTC U2503 Buick?

  • Reprogram Object Detection Control Module
  • Faulty Object Detection Control Module
  • Object Detection Control Module harness is open or shorted
  • Object Detection Control Module circuit poor electrical connection

How to Fix the DTC U2503 Buick?

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 U2503 Buick 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 U2503 Buick Code

What does the OBDII code U2503 mean for a Buick?

The U2503 code indicates that the vehicle's onboard diagnostics system has received invalid data from the Object Detection Control Module, which is responsible for detecting objects around the vehicle.

What are common symptoms of the U2503 code?

Common symptoms include warning lights on the dashboard, malfunctioning parking sensors, and impaired object detection features, such as blind-spot monitoring or rear cross-traffic alerts.

What could cause the U2503 code to trigger?

Causes may include a faulty Object Detection Control Module, poor wiring connections, damaged sensors, or issues with the vehicle's network communication.

How can I diagnose the U2503 code?

Start by using an OBDII scanner to confirm the code and check for related codes. Inspect the wiring and connectors associated with the Object Detection Control Module, and test the sensors for functionality.

What are some common repairs for the U2503 code?

Repairs may involve replacing a faulty Object Detection Control Module, repairing or replacing damaged wiring or connectors, and ensuring that all sensors are functioning correctly.

Can I drive my Buick with the U2503 code?

While you can drive your vehicle, be aware that the object detection features may not work properly, which could affect safety. It’s advisable to address the issue as soon as possible.

Will clearing the code fix the problem?

Clearing the code may temporarily turn off the warning lights, but if the underlying issue is not resolved, the code will likely return after a short period.

Is the U2503 code serious?

The seriousness of the U2503 code depends on the symptoms. While it may not affect the vehicle's driveability, it can compromise safety features related to object detection.

How much does it typically cost to fix the U2503 code?

Repair costs can vary widely based on the underlying issue, but you might expect to pay anywhere from $100 to $1,000, depending on whether you need to replace sensors, wiring, or the control module.

Discuss the causes and fixes for U2503 Buick OBDII Code

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