AutoCodes – Lincoln – B1277 Lincoln

B1277 Lincoln Code - Reverse Lamp Circuit Short

Quick Answer

The Body Control Module (BCM) monitors the Reverse Lamp. Common causes include Faulty Reverse Lamp, Reverse Lamp harness is open or shorted, Reverse Lamp 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: B1277 Lincoln indicates Reverse Lamp Circuit Short.
Common causes: Common causes include Faulty Reverse Lamp, Reverse Lamp harness is open or shorted, Reverse Lamp 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 961

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 Nov 29, 2024

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B1277 Lincoln Description

The Body Control Module (BCM) monitors the Reverse Lamp. The OBDII sets when the BCM detects an excessive current draw or open from the reverse lamp output circuit.

OBDII Code B1277 Lincoln - Reverse Lamp Circuit Short - AutoCodes.com — B1277 Lincoln Code - Reverse Lamp Circuit Short

What does this mean?

What are the Possible Causes of the DTC B1277 Lincoln?

Faulty Reverse Lamp
Reverse Lamp harness is open or shorted
Reverse Lamp circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1277 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

B1277:11 Reverse Lamp Circuit Short To Ground
B1277:15 Reverse Lamp Circuit Short To Battery or Open

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1277 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.

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Need Help with the Code?

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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 B1277 Lincoln Code

1. What does OBDII code B1277 for a Lincoln mean?

- The B1277 code indicates a problem with the reverse lamp circuit short in a Lincoln vehicle.

2. What are the common symptoms of a B1277 code in a Lincoln?

- Common symptoms include non-functional reverse lights, flickering reverse lights, or reverse lights that stay on constantly.

3. What are the possible causes of a B1277 code in a Lincoln?

- Causes of the B1277 code can include a short circuit in the reverse lamp wiring, a faulty reverse lamp switch, or a damaged reverse lamp bulb.

4. How can I diagnose a B1277 code in my Lincoln?

- To diagnose a B1277 code, check the reverse lamp fuse, inspect the wiring for any signs of damage or short circuits, and test the reverse lamp switch for proper functionality.

5. Can a B1277 code in a Lincoln be fixed at home?

- Depending on the cause, fixing a B1277 code may be possible at home by replacing a faulty bulb or fuse, but more complex issues may require professional diagnosis and repair.

6. Are there any safety concerns associated with a B1277 code in a Lincoln?

- Yes, driving with non-functional reverse lights can pose a safety risk, as other drivers may not be aware of your intentions when reversing.

7. Can a B1277 code affect other electrical systems in a Lincoln?

- While the B1277 code specifically relates to the reverse lamp circuit, electrical issues in one part of a vehicle can sometimes cause problems in other systems, so it's important to address the code promptly.

8. What is the typical cost to repair a B1277 code in a Lincoln at a dealership or repair shop?

- Repair costs for a B1277 code can vary depending on the cause and location, but expect to pay anywhere from $100 to $300 for diagnosis and repair at a dealership or repair shop.

9. How long does it usually take to fix a B1277 code in a Lincoln?

- The time to fix a B1277 code can range from 30 minutes for a simple bulb replacement to a few hours for more complex wiring or switch repairs.

10. Is it safe to continue driving my Lincoln with a B1277 code present?

- It is not recommended to drive with a B1277 code, as it can affect the visibility and safety of your vehicle. It's best to address the issue as soon as possible.