AutoCodes – Lincoln – B1374 Lincoln

B1374 Lincoln Code - Illuminated Entry Relay Short To Ground

Quick Answer

The Body Control Module (BCM) monitors the Illuminated Entry Relay. Common causes include Faulty Illuminated Entry Relay, Illuminated Entry Relay harness is open or shorted, Illuminated Entry 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: B1374 Lincoln indicates Illuminated Entry Relay Short To Ground.
Common causes: Common causes include Faulty Illuminated Entry Relay, Illuminated Entry Relay harness is open or shorted, Illuminated Entry 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 633

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 Mar 19, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1374 Lincoln Description

The Body Control Module (BCM) monitors the Illuminated Entry Relay. The BCM sets the OBDII code when the Illuminated Entry Relay is not to factory specifications.

OBDII Code B1374 Lincoln - Illuminated Entry Relay Short To Ground - AutoCodes.com — B1374 Lincoln Code - Illuminated Entry Relay Short To Ground

What does this mean?

What are the Possible Causes of the DTC B1374 Lincoln?

Faulty Illuminated Entry Relay
Illuminated Entry Relay harness is open or shorted
Illuminated Entry Relay circuit poor electrical connection

How to Fix the DTC B1374 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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1374 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 B1374 Lincoln code?

Need more information on how to fix the B1374 Lincoln code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1374 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 B1374 Lincoln Code

1. What are the common symptoms of OBDII code B1374 Lincoln (Illuminated Entry Relay Short To Ground)?

- The common symptoms include interior lights staying on or not functioning properly, door ajar warning light staying on, and potential issues with the keyless entry system.

2. What are the possible causes of OBDII code B1374 Lincoln (Illuminated Entry Relay Short To Ground)?

- The code B1374 can be caused by a short to ground in the circuit, a faulty illuminated entry relay, a damaged wiring harness, or a malfunctioning control module.

3. How can I diagnose OBDII code B1374 Lincoln (Illuminated Entry Relay Short To Ground)?

- Diagnosing this code involves checking the illuminated entry relay, inspecting the wiring for any damage, and using a multimeter to test for shorts to ground in the circuit.

4. Can I still drive my Lincoln if OBDII code B1374 (Illuminated Entry Relay Short To Ground) is present?

- While the vehicle may still be operable with this code, it is recommended to address the issue promptly to prevent any potential electrical problems or drain on the battery.

5. How can I repair OBDII code B1374 Lincoln (Illuminated Entry Relay Short To Ground) myself?

- Repairing this code may involve replacing the illuminated entry relay, repairing any damaged wiring, or addressing any other issues detected during the diagnostic process.

6. Is it safe to reset the OBDII code B1374 Lincoln (Illuminated Entry Relay Short To Ground) without fixing the underlying issue?

- It is not recommended to simply reset the code without addressing the root cause, as the problem may persist and potentially lead to further electrical issues down the line.

7. What should I do if I can't locate the illuminated entry relay in my Lincoln?

- If you are having trouble finding the relay, consult your vehicle's service manual or seek assistance from a professional mechanic to ensure proper identification and replacement.

8. Are there any preventive maintenance tips to avoid encountering OBDII code B1374 Lincoln (Illuminated Entry Relay Short To Ground)?

- Regularly inspecting the electrical components in your vehicle, such as the wiring harness and relays, can help prevent issues like a short to ground that may trigger this code.

9. Can extreme weather conditions contribute to the occurrence of OBDII code B1374 Lincoln (Illuminated Entry Relay Short To Ground)?

- Yes, extreme temperature fluctuations or exposure to moisture can potentially damage electrical components and wiring, increasing the risk of encountering this code.

10. How long does it typically take to repair OBDII code B1374 Lincoln (Illuminated Entry Relay Short To Ground)?

- The repair time can vary depending on the exact cause of the issue and the complexity of the repair process, but it may take anywhere from a few hours to a full day to address the problem effectively.