AutoCodes – Cadillac – U209E Cadillac

U209E Cadillac Code - Object Detection Control Module High Speed Communication Enable Circuit 1

Quick Answer

The Active Safety Control Module activates the object detection ignition circuit when the ignition is ON. Common causes include Faulty Active Safety Control Module, Active Safety Control Module harness is open or shorted, Active Safety 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: U209E Cadillac indicates Object Detection Control Module High Speed Communication Enable Circuit 1.
Common causes: Common causes include Faulty Active Safety Control Module, Active Safety Control Module harness is open or shorted, Active Safety 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 609

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 15, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U209E Cadillac Description

The Active Safety Control Module activates the object detection ignition circuit when the ignition is ON. The object detection ignition circuit wakes up the devices for serial data bus communication. The Diagnostic Trouble Code (DTC) will set when the Active Safety Control Module senses a short to ground on the object detection ignition circuit.

OBDII Code U209E Cadillac - Object Detection Control Module High Speed Communication Enable Circuit 1 - AutoCodes.com — U209E Cadillac Code - Object Detection Control Module High Speed Communication Enable Circuit 1

What does this mean?

What are the Possible Causes of the DTC U209E Cadillac?

Faulty Active Safety Control Module
Active Safety Control Module harness is open or shorted
Active Safety Control Module circuit poor electrical connection

How to Fix the DTC U209E 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 U209E 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 U209E Cadillac Code

1. What are the common symptoms of OBDII code U209E in a Cadillac?

- Common symptoms include issues with object detection systems, such as parking sensors or automatic braking features, malfunctioning or not working at all.

2. What can cause the OBDII code U209E in a Cadillac?

- The code U209E is typically caused by a problem with the high-speed communication enable circuit 1 of the object detection control module in the vehicle.

3. How can I diagnose the OBDII code U209E in my Cadillac?

- Diagnosis of the U209E code requires a professional OBDII scanner to read the fault codes in the object detection control module and pinpoint the specific issue.

4. Can I still drive my Cadillac with the U209E trouble code?

- It is generally safe to drive the vehicle with the U209E trouble code, but it is recommended to have the issue diagnosed and repaired as soon as possible to ensure the proper functioning of safety systems.

5. How can I repair the Object Detection Control Module High-Speed Communication Enable Circuit 1 issue in my Cadillac?

- Repairing the U209E code usually involves checking and repairing the wiring connections, replacing damaged components in the object detection control module, or reprogramming the module as necessary.

6. Will resetting the OBDII code U209E in my Cadillac make it go away permanently?

- Simply resetting the code may temporarily clear the warning light, but if the underlying issue with the communication enable circuit 1 is not fixed, the code is likely to reappear.

7. Can extreme weather conditions trigger the U209E trouble code in a Cadillac?

- Yes, extreme temperature changes or severe weather conditions can sometimes cause temporary communication issues in the object detection control module, triggering the U209E code.

8. How much does it typically cost to repair the U209E code in a Cadillac?

- Repair costs for the U209E code can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

9. Are there any recalls related to the U209E code in Cadillac vehicles?

- It's recommended to check with your local Cadillac dealership or online resources to see if there are any recalls or service bulletins related to the U209E trouble code in your specific model.

10. Can a DIY enthusiast fix the U209E trouble code in a Cadillac at home?

- While some basic troubleshooting steps can be done at home, repairing the U209E code usually requires specialized tools and expertise, so it's advisable to consult a professional mechanic for proper diagnosis and repair.