AutoCodes – Ford – U210C Ford

U210C Ford Code - Lost Communication Between Fuel Pump Control Module 'B' and Restraints Control Module

Quick Answer

The Fuel Pump Control Module 2 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: U210C Ford indicates Lost Communication Between Fuel Pump Control Module 'B' 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.

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Code Popularity 5,170

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
Comments
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Code U210C Ford Description

The Fuel Pump Control Module 2 monitors the duty cycle and frequency of the signal it receives from the Restraints Control Module (RCM). The fuel pump control module 2 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 2 sends a 40% duty cycle signal on the Fuel Pump Monitor 2 (FPM2) circuit to report the concern to the Powertrain Control Module (PCM). The test fails when the fuel pump control module 2 is still reporting that it is receiving an invalid duty cycle or frequency from the RCM after a calibrated amount of time.

OBDII Code U210C Ford - Lost Communication Between Fuel Pump Control Module 'B' and Restraints Control Module - AutoCodes.com — U210C Ford Code - Lost Communication Between Fuel Pump Control Module 'B' and Restraints Control Module

What does this mean?

What are the Possible Causes of the DTC U210C Ford?

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) 2
Faulty Fuel Pump Control Module

How to Fix the DTC U210C Ford?

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 2 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 2 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 U210C Ford 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.