AutoCodes – Lincoln – U210B Lincoln

U210B Lincoln Code - Lost Communication Between Fuel Pump Control Module 'A' and Restraints Control Module

Quick Answer

The Fuel Pump Control Module monitors the duty cycle and frequency of the signal it receives from the Restraints Control Module (RCM). Common causes include Event Notification Signal (ENS) harness is open or shorted, Event Notification Signal (ENS) circuit poor electrical connection, Radio frequency interference or electromagnetic interference. 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: U210B Lincoln indicates Lost Communication Between Fuel Pump Control Module 'A' and Restraints Control Module.
Common causes: Common causes include Event Notification Signal (ENS) harness is open or shorted, Event Notification Signal (ENS) circuit poor electrical connection, Radio frequency interference or electromagnetic interference.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 1,836

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
Tech Notes
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code U210B Lincoln Description

The Fuel Pump Control Module monitors the duty cycle and frequency of the signal it receives from the Restraints Control Module (RCM). The fuel pump control module determines if the signal on the Event Notification Signal (ENS) circuit from the RCM is a valid duty cycle and frequency. If the duty cycle or frequency is invalid, the fuel pump control module sends a 40% duty cycle signal on the Fuel Pump Monitor (FPM) circuit to report the concern to the Powertrain Control Module (PCM). The test fails when the fuel pump control module is still reporting that it is receiving an invalid duty cycle or frequency from the RCM after a calibrated amount of time.

OBDII Code U210B Lincoln - Lost Communication Between Fuel Pump Control Module 'A' and Restraints Control Module - AutoCodes.com — U210B Lincoln Code - Lost Communication Between Fuel Pump Control Module 'A' and Restraints Control Module

What does this mean?

What are the Possible Causes of the DTC U210B Lincoln?

Event Notification Signal (ENS) harness is open or shorted
Event Notification Signal (ENS) circuit poor electrical connection
Radio frequency interference or electromagnetic interference
Faulty Restraints Control Module (RCM)
Faulty Fuel Pump Control Module

How to Fix the DTC U210B Lincoln?

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 does this mean?

Code Tech Notes

Check the harness for routing, alterations, incorrect shielding, or electrical interference from other systems. The Event Notification Signal (ENS) is used to notify the fuel pump control module of an event requiring the fuel pump to be disabled. This signal is used instead of an Inertia Fuel Shutoff (IFS) switch. The fuel pump control module monitors the ENS signal by sending a 12V low current signal on the ENS circuit to the Restraints Control Module (RCM).

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the U210B Lincoln 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 U210B Lincoln code?

Need more information on how to fix the U210B Lincoln code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U210B Lincoln code diagnosed by a professional: Find a repair shop in your area

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 U210B Lincoln Code

1. What are the common symptoms of OBDII code U210B in a Lincoln related to lost communication between the fuel pump control module and the restraints control module?

- Common symptoms include issues with the fuel pump operation, airbag warning lights, and potential stalling of the vehicle.

2. What are some possible causes of the U210B code in a Lincoln?

- The code may be triggered by damaged wiring, loose connections, a faulty fuel pump control module, or a malfunctioning restraints control module.

3. How can I diagnose the U210B code in my Lincoln?

- Diagnosis involves checking the wiring connections between the fuel pump control module and restraints control module, testing the modules themselves, and scanning for any other related codes.

4. Can I still drive my Lincoln with the U210B code present?

- It is not recommended to drive the vehicle with this code active, as it may affect crucial systems like the fuel pump and airbags.

5. How can I repair the U210B code in my Lincoln?

- Repairing the code involves fixing any wiring issues, ensuring proper connections, replacing faulty modules, and clearing the code with a diagnostic tool.

6. Is it safe to reset the U210B code in my Lincoln without fixing the underlying issue?

- It is not advisable to simply reset the code without addressing the root cause, as the problem may reoccur and potentially lead to safety issues.

7. Can a DIY enthusiast fix the U210B code issue in a Lincoln?

- Depending on your skill level and access to tools, you may be able to address wiring or connection problems yourself, but module replacements and in-depth diagnostics may require professional help.

8. How much does it typically cost to repair the U210B code in a Lincoln at a repair shop?

- Repair costs can vary based on the specific issue, but expect to pay for diagnostic time, parts, and labor, which could range from a few hundred to over a thousand dollars.

9. Will fixing the U210B code improve the performance and safety of my Lincoln?

- Yes, resolving this communication issue between critical modules can help restore proper functioning of the fuel pump and airbag systems, enhancing both performance and safety.

10. How frequently does the U210B code occur in Lincoln vehicles?

- While not the most common code, instances of U210B related to lost communication between the fuel pump control module and restraints control module can occur in Lincoln vehicles, especially in older models or those with wiring issues.