B1277 Ford 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 Ford 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.
Code B1277 Ford Description
What are the Possible Causes of the DTC B1277 Ford?
- 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 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.
Code Tech Notes
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 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.
Need more information about the B1277 Ford code?
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Need Help with the Code?
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Frequently Asked Questions about B1277 Ford Code
1. What are the common symptoms of OBDII code B1277 in a Ford related to the reverse lamp circuit short?
- The common symptoms include non-functional reverse lights, reverse lights staying on constantly, or a dashboard warning light indicating a fault in the reverse lamp circuit.
2. What are the possible causes of the B1277 code indicating a reverse lamp circuit short in a Ford?
- The code may be triggered by a short circuit in the wiring, a faulty reverse light switch, a blown fuse, or a malfunctioning reverse light bulb.
3. How can I diagnose the B1277 code for a reverse lamp circuit short in my Ford vehicle?
- You can start by visually inspecting the reverse light bulbs, checking the fuse related to the reverse lights, testing the reverse light switch, and examining the wiring for any signs of damage or a short circuit.
4. What are some repair tips for addressing the B1277 code in a Ford due to a reverse lamp circuit short?
- Repair tips may include replacing any faulty reverse light bulbs, repairing damaged wiring, replacing the reverse light switch if necessary, and ensuring all connections are secure and free of corrosion.
5. Can the B1277 code related to a reverse lamp circuit short in a Ford be reset after repairs are made?
- After addressing the underlying issue causing the code, you can reset the OBDII system using a diagnostic scanner to clear the B1277 trouble code.
6. Is it safe to continue driving with the B1277 code indicating a reverse lamp circuit short in my Ford?
- It is not recommended to drive with the B1277 code active, as it can pose a safety hazard by affecting the visibility of your vehicle when reversing.
7. How can I prevent the B1277 code from reoccurring in my Ford after repairing a reverse lamp circuit short?
- To prevent the code from reoccurring, ensure all repairs are done correctly, use high-quality replacement parts, and conduct regular checks on the reverse light system for any signs of wear or damage.
8. Are there any common mistakes to avoid when troubleshooting the B1277 code for a reverse lamp circuit short in a Ford?
- Common mistakes to avoid include overlooking simple issues such as a blown fuse, neglecting to check all components of the reverse light system, and not properly securing wiring connections.
9. Can extreme weather conditions or water exposure contribute to the B1277 code appearing in a Ford due to a reverse lamp circuit short?
- Yes, extreme weather conditions or water exposure can potentially cause damage to the reverse light system components, leading to a short circuit and triggering the B1277 trouble code.
10. Should I seek professional help to diagnose and repair the B1277 code related to a reverse lamp circuit short in my Ford?
- If you are not familiar with automotive electrical systems or troubleshooting, it is advisable to seek professional help to accurately diagnose and repair the issue causing the B1277 trouble code.
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