AutoCodes – Mercury – U0429 Mercury

U0429 Mercury Code - Invalid Data Received From Steering Column Control Module

Quick Answer

A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Common causes include Faulty Steering Column Control Module, Steering Column Control Module harness is open or shorted, Steering Column 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: U0429 Mercury indicates Invalid Data Received From Steering Column Control Module.
Common causes: Common causes include Faulty Steering Column Control Module, Steering Column Control Module harness is open or shorted, Steering Column 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 475

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 11, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U0429 Mercury Description

A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Operating information and commands are exchanged among the devices. The devices have programmed information about what messages are needed to be exchanged on the serial data circuits. Some devices are constantly receiving information from other devices through serial data communication network. The invalid data Diagnostic Trouble Code (DTC) will be set when a receiving device detects a discrepancy in the information it receives from the Steering Column Control Module causing its integrity to be questioned.

OBDII Code U0429 Mercury - Invalid Data Received From Steering Column Control Module - AutoCodes.com — U0429 Mercury Code - Invalid Data Received From Steering Column Control Module

What does this mean?

What are the Possible Causes of the DTC U0429 Mercury?

Faulty Steering Column Control Module
Steering Column Control Module harness is open or shorted
Steering Column Control Module circuit poor electrical connection

How to Fix the DTC U0429 Mercury?

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 U0429 Mercury 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 U0429 Mercury code?

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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 U0429 Mercury Code

1. What are common symptoms of OBDII code U0429 in a Mercury vehicle?

- Common symptoms include issues with power steering, steering wheel controls not functioning properly, and the steering wheel feeling heavy or unresponsive.

2. What does the OBDII code U0429 in a Mercury indicate?

- The code U0429 indicates that the vehicle's onboard diagnostic system has detected invalid data received from the steering column control module.

3. What are possible causes of the U0429 code in a Mercury?

- Possible causes include a faulty steering column control module, damaged wiring or connectors in the steering system, or a communication error between control modules.

4. How can I diagnose the U0429 code in my Mercury?

- Diagnosis typically involves using a diagnostic scanner to read the code, checking for any related codes or warning lights, and inspecting the steering column control module and associated components.

5. Can I continue driving my Mercury with the U0429 code?

- It is not recommended to drive the vehicle with the U0429 code present, as it can affect the safe operation of the power steering system and potentially lead to further damage.

6. How can I repair the U0429 code in my Mercury?

- Repair options may include replacing the steering column control module, repairing damaged wiring or connectors, and resetting the fault codes using a diagnostic tool.

7. Is it safe to attempt DIY repairs for the U0429 code in a Mercury?

- Due to the complexity of the steering system and potential safety risks, it is recommended to consult a qualified mechanic or dealership for proper diagnosis and repair of the U0429 code.

8. How much does it typically cost to fix the U0429 code in a Mercury?

- Repair costs for the U0429 code can vary depending on the exact cause of the issue, but expect to pay for parts and labor, which may range from a few hundred to over a thousand dollars.

9. Can resetting the U0429 code temporarily fix the issue in my Mercury?

- Resetting the code may temporarily clear the warning light, but if the underlying issue causing the U0429 code is not addressed, the problem is likely to reoccur.

10. Are there any recalls or technical service bulletins related to the U0429 code in Mercury vehicles?

- It's recommended to check with your local Mercury dealership or visit the NHTSA website to see if there are any relevant recalls or technical service bulletins related to the U0429 code in your specific model and year of Mercury.