Engine-CodesLincoln – B1277 Lincoln

B1277 Lincoln Code - Reverse Lamp Circuit Short

Quick Answer

The B1277 diagnostic trouble code (DTC) for Lincoln vehicles indicates a problem with the Reverse Lamp Circuit Short. Common causes include Damaged wiring or connectors in the reverse lamp circuit, Faulty reverse light switch, Blown fuse related to the reverse lights. 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 Damaged wiring or connectors in the reverse lamp circuit, Faulty reverse light switch, Blown fuse related to the reverse lights.
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.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code B1277 Lincoln Description

The B1277 diagnostic trouble code (DTC) for Lincoln vehicles indicates a problem with the Reverse Lamp Circuit Short. This means that there is a short circuit in the wiring or components related to the reverse lights on the vehicle. The reverse lights are an essential safety feature that alerts other drivers and pedestrians when the vehicle is backing up. When this circuit is shorted, it can lead to the reverse lights not functioning properly or at all, which can pose a safety risk.

OBDII Code B1277 Lincoln - Reverse Lamp Circuit Short
B1277 Lincoln Code - Reverse Lamp Circuit Short

Common Causes of B1277 Lincoln

  1. Damaged wiring or connectors in the reverse lamp circuit.
  2. Faulty reverse light switch.
  3. Blown fuse related to the reverse lights.
  4. Corroded or loose connections in the circuit.
  5. Malfunctioning reverse light bulbs.

Symptoms of B1277 Lincoln

  1. Reverse lights not turning on when the vehicle is in reverse gear.
  2. Flickering or dim reverse lights.
  3. Reverse lights staying on constantly.
  4. Dashboard warning light indicating an issue with the reverse lamp circuit.

How to Fix B1277 Lincoln

  1. Begin by inspecting the wiring and connectors in the reverse lamp circuit for any damage or corrosion. Repair or replace any damaged components.
  2. Test the reverse light switch for proper functionality and replace if necessary.
  3. Check and replace any blown fuses related to the reverse lights.
  4. Inspect and clean any corroded or loose connections in the circuit to ensure a proper connection.
  5. Finally, check and replace any malfunctioning reverse light bulbs to restore proper illumination.

Cost to Fix B1277 Lincoln

The typical repair costs for addressing a Reverse Lamp Circuit Short issue in a Lincoln vehicle can range from $100 to $300, depending on the specific cause of the problem and the parts needed for repair. This estimate includes the cost of parts and labor. It is important to note that diagnosis time and labor rates at auto repair shops can vary, so it is recommended to inquire about local rates for a more accurate estimate.

Tech Notes for B1277 Lincoln

B1277:11 Reverse Lamp Circuit Short To Ground

B1277:15 Reverse Lamp Circuit Short To Battery or Open

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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.

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