B1371 Code - Illuminated Entry Relay Circuit Failure
Quick Answer
The B1371 code refers to an illuminated entry relay circuit failure in a vehicle. Common causes include Faulty illuminated entry relay, Damaged wiring or connectors in the relay circuit, Malfunctioning control module for the illuminated entry system. 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
- B1371 indicates Illuminated Entry Relay Circuit Failure.
- Common causes
- Common causes include Faulty illuminated entry relay, Damaged wiring or connectors in the relay circuit, Malfunctioning control module for the illuminated entry system.
- 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 B1371 Description
The B1371 code refers to an illuminated entry relay circuit failure in a vehicle. The illuminated entry system is responsible for turning on the lights inside the cabin when a door is opened or closed. The relay circuit controls the activation of these lights, allowing for convenience and safety when entering or exiting the vehicle in low-light conditions. When this circuit fails, it can result in the interior lights not turning on as expected, potentially leading to inconvenience and safety concerns for the driver and passengers.
Common Causes of B1371
- Faulty illuminated entry relay.
- Damaged wiring or connectors in the relay circuit.
- Malfunctioning control module for the illuminated entry system.
- Electrical issues such as a blown fuse related to the relay circuit.
- Corrosion or loose connections in the relay circuit.
Symptoms of B1371
- Interior lights not turning on when doors are opened.
- Dim or flickering interior lights.
- Delayed response of interior lights when doors are opened or closed.
- Dashboard warning light indicating an issue with the illuminated entry system.
How to Fix B1371
- Begin by diagnosing the specific cause of the illuminated entry relay circuit failure using a diagnostic scanner to retrieve the B1371 trouble code.
- Inspect the relay, wiring, and connectors for any signs of damage or corrosion. Replace any faulty components as needed.
- Test the control module for the illuminated entry system to ensure proper functionality. Replace the module if necessary.
- Check and replace any blown fuses related to the relay circuit.
- Clear the trouble code from the vehicle's computer system and test the illuminated entry system to ensure proper operation.
Cost to Fix B1371
The typical repair costs for addressing a B1371 code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, the cost of parts for replacing a faulty relay or control module can range from $50 to $200, while the labor costs can range from $100 to $300. Overall, the total repair cost for resolving a B1371 code is estimated to be between $150 and $500. It is advisable to check with local auto repair shops for a more accurate cost estimate based on the specific make and model of the vehicle. Keep in mind that additional diagnostic time and labor charges may apply, especially if the issue is more complex or requires extensive troubleshooting.
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Code B1371 Information for Specific Makes
- B1371 Ford — Illuminated Entry Relay Circuit Failure
- B1371 Lincoln — Illuminated Entry Relay Circuit Failure
- B1371 Mercury — Illuminated Entry Relay Circuit Failure
Frequently Asked Questions about B1371 Code
What does OBDII code B1371 mean?
OBDII code B1371 indicates a failure in the illuminated entry relay circuit, which controls the vehicle's interior lights and other related functions.
What are the common symptoms of code B1371?
Common symptoms include interior lights not turning on when doors are opened, malfunctioning keyless entry, and potential issues with door locks or security systems.
What could cause the B1371 code to trigger?
Causes may include a faulty illuminated entry relay, damaged wiring or connectors, a blown fuse, or issues with the body control module (BCM).
How can I diagnose the B1371 code?
To diagnose, start by inspecting the illuminated entry relay and its wiring for damage. Check the fuse related to the interior lighting and test the relay with a multimeter.
Can I fix the B1371 code myself?
Yes, if you are comfortable working with electrical components, you can replace a faulty relay, repair damaged wiring, or replace a blown fuse to fix the issue.
What should I do if the B1371 code keeps returning after repairs?
If the code persists, further diagnosis may be required, potentially involving the body control module or deeper electrical issues within the vehicle.
Is it safe to drive with an illuminated entry relay circuit failure?
While it may not directly affect drivability, the failure could impact interior lighting and security features, so it's advisable to address the issue to ensure full functionality.
How much does it typically cost to repair the B1371 code?
Repair costs can vary widely based on the specific issue, ranging from a simple relay replacement costing around $50 to more extensive electrical repairs that may exceed $200.
Will clearing the B1371 code fix the problem?
Clearing the code may temporarily turn off the check engine light, but if the underlying issue is not resolved, the code will likely reappear. Proper diagnosis and repair are necessary.
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