AutoCodes – Mercury – U2101 Mercury

U2101 Mercury Code - Control Module Configuration Incompatible

Quick Answer

At each power up the Power Steering Control Module (PSCM) reads the vehicle configuration data broadcast by the Body Control Module (BCM) and cross-checks it with the PSCM internally stored data. Common causes include Body Control Module (BCM) not configured, Body Control Module harness is open or shorted, Body 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: U2101 Mercury indicates Control Module Configuration Incompatible.
Common causes: Common causes include Body Control Module (BCM) not configured, Body Control Module harness is open or shorted, Body 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 854

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 U2101 Mercury Description

At each power up the Power Steering Control Module (PSCM) reads the vehicle configuration data broadcast by the Body Control Module (BCM) and cross-checks it with the PSCM internally stored data. This Diagnostic Trouble Code (DTC) sets if the PSCM receives invalid vehicle configuration data or if the central car configuration data does not match the equipment installed to the vehicle. This DTC can set if the vehicle is not configured for active park assist but the PSCM is receiving messages from the Parking Assist Control Module (PAM).

OBDII Code U2101 Mercury - Control Module Configuration Incompatible - AutoCodes.com — U2101 Mercury Code - Control Module Configuration Incompatible

What does this mean?

What are the Possible Causes of the DTC U2101 Mercury?

Body Control Module (BCM) not configured
Body Control Module harness is open or shorted
Body Control Module circuit poor electrical connection

How to Fix the DTC U2101 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 U2101 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.

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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 U2101 Mercury Code

1. What are the common symptoms of OBDII code U2101 in a Mercury vehicle?

- Common symptoms include issues with the electronic control module, engine performance problems, and potential stalling or rough idling.

2. What does the OBDII code U2101 in a Mercury indicate?

- The code U2101 indicates that there is a problem with the Control Module Configuration Incompatible in the vehicle.

3. What are the possible causes of OBDII code U2101 in a Mercury?

- Possible causes include a faulty control module, software issues, damaged wiring, or a poor connection between modules.

4. How can I diagnose the OBDII code U2101 in my Mercury?

- Diagnosis typically involves using an OBDII scanner to read the code, checking for other related codes, and inspecting the wiring and connections to the control modules.

5. Can I still drive my Mercury with the U2101 code present?

- It is not recommended to drive the vehicle with the U2101 code present, as it can lead to further damage and potential safety hazards.

6. How can I repair the OBDII code U2101 in my Mercury?

- Repair options may include reprogramming the control modules, replacing damaged wiring, ensuring proper connections, or replacing the control module altogether.

7. Will resetting the trouble codes make the U2101 code disappear permanently?

- Resetting the trouble codes may temporarily clear the U2101 code, but if the underlying issue is not addressed, the code is likely to reappear.

8. How much does it cost to repair the U2101 code in a Mercury?

- The cost of repair can vary depending on the specific cause of the issue, but it's recommended to consult with a qualified mechanic for an accurate estimate.

9. Can a DIY enthusiast fix the U2101 code issue in a Mercury?

- While some simple repairs like checking connections or replacing a fuse can be done by a DIY enthusiast, diagnosing and repairing complex issues related to the U2101 code may require professional help.

10. Is it necessary to have the U2101 code repaired immediately?

- It is advisable to address the U2101 code promptly to prevent potential damage to the vehicle's control modules and ensure optimal performance and safety.