AutoCodes – Cadillac – U2503 Cadillac

U2503 Cadillac 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 Cadillac 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 484

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 17, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U2503 Cadillac 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 Cadillac - Invalid Data Received From Object Detection Control Module - AutoCodes.com — U2503 Cadillac Code - Invalid Data Received From Object Detection Control Module

What does this mean?

What are the Possible Causes of the DTC U2503 Cadillac?

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 Cadillac?

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 Cadillac 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 Cadillac Code

What does the OBDII code U2503 mean for my Cadillac?

The U2503 code indicates that the vehicle's computer has received invalid data from the Object Detection Control Module, which affects features like parking assist and collision avoidance systems.

What are the common symptoms of the U2503 code?

Common symptoms may include malfunctioning parking sensors, warning lights on the dashboard, and issues with other safety features that rely on the Object Detection Control Module.

What could cause the U2503 code to trigger?

Possible causes include a faulty Object Detection Control Module, wiring issues such as shorts or open circuits, poor connections, or software glitches within the vehicleâ€™s systems.

How can I diagnose the U2503 code?

To diagnose the U2503 code, use an OBDII scanner to read the code, inspect the wiring and connectors associated with the Object Detection Control Module, and check for any related codes that may provide additional insight.

What are some common repairs for the U2503 code?

Common repairs may involve replacing the Object Detection Control Module, repairing or replacing damaged wiring or connectors, and updating the vehicle's software if necessary.

Can I drive my Cadillac with the U2503 code active?

While it is possible to drive with the U2503 code active, it may affect the functionality of safety features, so it's advisable to have it diagnosed and repaired to ensure vehicle safety.

Is the U2503 code specific to certain Cadillac models?

The U2503 code can appear in various Cadillac models equipped with object detection technology, but the specific symptoms and repair processes may vary by model and year.

Will clearing the U2503 code fix the problem?

Clearing the U2503 code may temporarily turn off warning lights, but it will not fix the underlying issue. The code is likely to return if the root cause is not addressed.

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

Repair costs can vary widely depending on the exact issue, but replacing the Object Detection Control Module can range from $200 to $1,000 or more, including parts and labor.

Can I fix the U2503 code myself?

If you have experience with automotive electrical systems, you may be able to troubleshoot and repair the issue. However, for those unfamiliar with vehicle diagnostics, it's best to consult a professional technician.