B1471 Code - Lamp Headlamp Input Circuit Open
Quick Answer
The Body Control Module (BCM) monitors the Lamp Headlamp. Common causes include Faulty Lamp Headlamp, Lamp Headlamp harness is open or shorted, Lamp Headlamp 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
- B1471 indicates Lamp Headlamp Input Circuit Open.
- Common causes
- Common causes include Faulty Lamp Headlamp, Lamp Headlamp harness is open or shorted, Lamp Headlamp 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 B1471 Description
What are the Possible Causes of the DTC B1471?
- Faulty Lamp Headlamp
- Lamp Headlamp harness is open or shorted
- Lamp Headlamp circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B1471?
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 B1471 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
- B1471 Chrysler — Channel 4 Audio Speaker Output Circuit High
- B1471 Dodge — Channel 4 Audio Speaker Output Circuit High
- B1471 Jeep — Channel 4 Audio Speaker Output Circuit High
- B1471 Lexus — A/C Inverter High Voltage Power Resource System Malfunction
- B1471 Mitsubishi — Left Hand Seat Belt Pre-Tensioner Open
- B1471 RAM — Channel 4 Audio Speaker Output Circuit High
- B1471 Toyota — A/C Inverter High Voltage Power Resource System Malfunction
Frequently Asked Questions about B1471 Code
1. What are the common symptoms of OBDII code B1471 - Lamp Headlamp Input Circuit Open?
- The common symptoms include the headlamp not turning on, flickering headlamps, or dim headlamp operation.
2. What are the potential causes of OBDII code B1471?
- The potential causes include a faulty headlamp switch, damaged wiring or connectors in the headlamp circuit, or a defective headlamp control module.
3. How can I diagnose the issue related to OBDII code B1471?
- You can start by visually inspecting the headlamp circuit for any visible damage or loose connections. Using a multimeter to test the continuity of the wiring and checking the headlamp switch for proper functionality can help pinpoint the issue.
4. Can a blown fuse cause OBDII code B1471 to appear?
- Yes, a blown fuse in the headlamp circuit can cause the Lamp Headlamp Input Circuit Open code (B1471) to trigger. Checking and replacing any blown fuses should be part of the diagnostic process.
5. Is it safe to drive with OBDII code B1471 illuminated?
- Driving with OBDII code B1471 illuminated is not recommended, especially if the headlamp is not functioning correctly. It is crucial to address the issue promptly to ensure proper visibility and safety on the road.
6. How can I repair OBDII code B1471 on my own?
- Depending on the specific cause, repairing OBDII code B1471 may involve replacing a faulty headlamp switch, repairing damaged wiring, or replacing a defective headlamp control module. It is recommended to have basic knowledge of automotive electrical systems before attempting repairs.
7. What are some preventive maintenance tips to avoid OBDII code B1471 in the future?
- Regularly inspecting the headlamp circuit for any signs of wear or damage, avoiding overloading the electrical system, and promptly addressing any headlamp issues can help prevent OBDII code B1471 from reoccurring.
8. Can extreme weather conditions contribute to OBDII code B1471 being triggered?
- Yes, extreme weather conditions like heavy rain or snow can potentially damage the headlamp circuit wiring, leading to the Lamp Headlamp Input Circuit Open code (B1471) being triggered. Ensuring proper sealing and protection of the headlamp components can help mitigate such issues.
9. Are there any recalls related to OBDII code B1471?
- It is advisable to check with the vehicle manufacturer or authorized dealerships for any recalls related to OBDII code B1471, as some vehicles may have had recalls issued for similar headlamp circuit issues.
10. Can resetting the OBDII system clear the B1471 code?
- Resetting the OBDII system may temporarily clear the B1471 code, but if the underlying issue causing the Lamp Headlamp Input Circuit Open persists, the code is likely to reappear. It is essential to diagnose and address the root cause of the problem to prevent the code from coming back.
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