AutoCodes – Ford – B1123 Ford

B1123 Ford Code - Restraints Ignition Relay

Quick Answer

The Battery Energy Control Module (BECMB) provides battery voltage to the Restraints Control Module (RCM) and, if equipped, Passenger Airbag Deactivation (PAD) indicator (vehicles without center stack display only). Common causes include Faulty Restraints Ignition Relay, Restraints Ignition Relay harness is open or shorted, Restraints Ignition Relay 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: B1123 Ford indicates Restraints Ignition Relay.
Common causes: Common causes include Faulty Restraints Ignition Relay, Restraints Ignition Relay harness is open or shorted, Restraints Ignition Relay 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 2,615

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Nov 19, 2024

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B1123 Ford Description

The Battery Energy Control Module (BECMB) provides battery voltage to the Restraints Control Module (RCM) and, if equipped, Passenger Airbag Deactivation (PAD) indicator (vehicles without center stack display only). The BECMB monitors each circuit for a short to voltage or a short to ground. If a fault is detected, the BECMB stores the appropriate Diagnostic Trouble Code (DTC) in memory and sends a message to the RCM over HS-CAN1 and HS-CAN2, indicating that a BECMB fault is present.

OBDII Code B1123 Ford - Restraints Ignition Relay - AutoCodes.com — B1123 Ford Code - Restraints Ignition Relay

What does this mean?

What are the Possible Causes of the DTC B1123 Ford?

Faulty Restraints Ignition Relay
Restraints Ignition Relay harness is open or shorted
Restraints Ignition Relay circuit poor electrical connection
Faulty Restraints Control Module (RCM)

How to Fix the DTC B1123 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

B1123:11 Restraints Ignition Relay: Circuit Short to Ground
B1123:12 Restraints Ignition Relay: Circuit Short to Battery

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1123 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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Need more information on how to fix the B1123 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1123 Ford code diagnosed by a professional: Find a repair shop in your area

Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service

Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.

Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.

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 B1123 Ford Code

1. What are the common symptoms of OBDII code B1123 Ford (Restraints Ignition Relay)?

The common symptoms of code B1123 may include issues with the airbag system, such as the airbag warning light staying on, or the airbags not deploying in the event of a collision.

2. What are the possible causes of OBDII code B1123 Ford (Restraints Ignition Relay)?

Possible causes of code B1123 include a faulty ignition relay, wiring issues in the restraint control module circuit, or a malfunctioning restraint control module.

3. How can I diagnose OBDII code B1123 Ford (Restraints Ignition Relay)?

Diagnosing code B1123 typically involves using a diagnostic scanner to retrieve the specific fault code, inspecting the wiring and connections related to the ignition relay and restraint control module, and testing the components for proper functionality.

4. Can I drive my vehicle with OBDII code B1123 Ford (Restraints Ignition Relay) present?

It is not recommended to drive the vehicle with code B1123 present, as it indicates a potential issue with the airbag system, which is a critical safety component. It is advisable to address the problem promptly.

5. How can I repair OBDII code B1123 Ford (Restraints Ignition Relay)?

Repairing code B1123 may involve replacing the faulty ignition relay, repairing any damaged wiring or connections, or replacing the restraint control module if necessary. It is recommended to follow manufacturer guidelines for proper repair procedures.

6. Are there any safety concerns associated with OBDII code B1123 Ford (Restraints Ignition Relay)?

Yes, there are safety concerns associated with code B1123, as it indicates a potential issue with the airbag system. It is essential to address the problem to ensure the airbags function correctly in case of an accident.

7. Can a DIY enthusiast fix OBDII code B1123 Ford (Restraints Ignition Relay) at home?

While some enthusiasts with automotive repair experience may be able to diagnose and repair code B1123 at home, it is recommended to consult a professional mechanic for proper diagnosis and repair to ensure the safety systems are working correctly.

8. How much does it cost to fix OBDII code B1123 Ford (Restraints Ignition Relay)?

The cost of fixing code B1123 can vary depending on the underlying cause of the issue, the necessary repairs or replacements, and labor costs. It is advisable to obtain quotes from reputable mechanics or dealerships for an accurate estimate.

9. Will resetting the OBDII system clear code B1123 Ford (Restraints Ignition Relay)?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing code B1123 is not addressed, the code is likely to reappear. It is crucial to diagnose and repair the problem to prevent recurrence.

10. How long does it take to repair OBDII code B1123 Ford (Restraints Ignition Relay)?

The time needed to repair code B1123 can vary depending on the complexity of the issue, the availability of parts, and the mechanic's expertise. Some repairs may be completed in a few hours, while others may take longer.