B1287 Code - Amplifier Control Signal Circuit
Quick Answer
The radio provides a remote amplifier mute output circuit to control overall muting of the remote amplifier. Common causes include Faulty Amplifier, Amplifier harness is open or shorted, Amplifier circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
- What it means
- B1287 indicates Amplifier Control Signal Circuit.
- Common causes
- Common causes include Faulty Amplifier, Amplifier harness is open or shorted, Amplifier circuit poor electrical connection.
- Severity
- Low - monitor the vehicle and repair when practical.
- Can I drive?
- The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
Code B1287 Description
What are the Possible Causes of the DTC B1287?
- Faulty Amplifier
- Amplifier harness is open or shorted
- Amplifier circuit poor electrical connection
- Faulty Radio Unit
How to Fix the DTC B1287?
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
DTC B1287 02 Amplifier Control Signal Circuit Short to Ground
DTC B1287 04 Amplifier Control Signal Circuit Open
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1287 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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Information for Specific Makes
- B1287 Buick — Amplifier Control Signal Circuit
- B1287 Cadillac — Amplifier Control Signal Circuit
- B1287 Chevrolet — Amplifier Control Signal Circuit
- B1287 Ford — Central Lock Switch Illumination Circuit
- B1287 GMC — Amplifier Control Signal Circuit
- B1287 Lincoln — Central Lock Switch Illumination Circuit
- B1287 Mercury — Central Lock Switch Illumination Circuit
Frequently Asked Questions about B1287 Code
1. What are the common symptoms of OBDII code B1287 (Amplifier Control Signal Circuit)?
- Common symptoms include loss of audio output from the vehicle's speakers, distorted sound, or complete silence from the audio system.
2. What are the possible causes of OBDII code B1287?
- The code B1287 can be caused by a faulty amplifier, damaged wiring in the amplifier control signal circuit, or a malfunction in the audio control module.
3. How can I diagnose the issue related to OBDII code B1287?
- To diagnose the issue, you can start by checking the wiring connections to the amplifier, inspecting for any visible damage or corrosion. You may also need to test the amplifier and audio control module for proper functionality.
4. Can I still drive my vehicle with OBDII code B1287 present?
- It is generally safe to drive the vehicle with this code, as it is related to the audio system. However, you may experience issues with your sound system until the problem is resolved.
5. How can I repair OBDII code B1287?
- Repairing the code B1287 may involve repairing or replacing the amplifier, repairing any damaged wiring, or replacing the audio control module. It is recommended to seek assistance from a professional technician for proper diagnosis and repair.
6. Is OBDII code B1287 a common issue in certain vehicle makes and models?
- This code may be more common in certain vehicles with complex audio systems that include amplifiers. It is always important to refer to your vehicle's specific diagnostic procedures to address this issue accurately.
7. Can a DIY enthusiast fix OBDII code B1287 at home?
- While some basic troubleshooting steps can be performed at home, repairing OBDII code B1287 may require specialized tools and expertise. It is advisable to consult a qualified mechanic for a proper diagnosis and repair.
8. Will resetting the OBDII code B1287 make it go away permanently?
- Resetting the code may temporarily clear the error, but if the underlying issue is not addressed, the code is likely to reappear. It is crucial to diagnose and fix the root cause of the problem to prevent future occurrences.
9. How much does it typically cost to repair OBDII code B1287?
- The cost of repairing OBDII code B1287 can vary depending on the specific issue, the vehicle make and model, and labor rates in your area. It is recommended to obtain estimates from local automotive repair shops.
10. Can OBDII code B1287 affect other systems in the vehicle?
- OBDII code B1287 is specific to the amplifier control signal circuit in the audio system and is unlikely to affect other systems in the vehicle. However, it is essential to address this code promptly to avoid any potential electrical issues.
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