B1437 Lincoln Code - Wiper Hi/Low Speed Relay Coil Circuit Short To Ground
Quick Answer
The B1437 diagnostic trouble code (DTC) for Lincoln vehicles indicates a problem with the Wiper Hi/Low Speed Relay Coil Circuit being shorted to ground. Common causes include Damaged or frayed wiring in the wiper system, Faulty wiper relay, Corrosion or poor connections in the relay coil circuit. 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
- B1437 Lincoln indicates Wiper Hi/Low Speed Relay Coil Circuit Short To Ground.
- Common causes
- Common causes include Damaged or frayed wiring in the wiper system, Faulty wiper relay, Corrosion or poor connections in the relay coil circuit.
- 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 B1437 Lincoln Description
The B1437 diagnostic trouble code (DTC) for Lincoln vehicles indicates a problem with the Wiper Hi/Low Speed Relay Coil Circuit being shorted to ground. This code specifically points to an issue with the electrical circuit that controls the high and low-speed settings of the windshield wipers. The relay coil circuit is responsible for activating the wiper motor at different speeds based on the selected setting. When this circuit is shorted to ground, it can disrupt the proper functioning of the windshield wipers, leading to potential safety hazards during inclement weather conditions.
Common Causes of B1437 Lincoln
- Damaged or frayed wiring in the wiper system
- Faulty wiper relay
- Corrosion or poor connections in the relay coil circuit
- Malfunctioning wiper switch
- Water intrusion or moisture affecting the wiper system components
Symptoms of B1437 Lincoln
- Inoperative windshield wipers
- Wipers only working at high speed
- Wipers not responding to speed settings
- Fuse for wiper system repeatedly blowing
- Wipers operating erratically or intermittently
How to Fix B1437 Lincoln
- Begin by conducting a thorough inspection of the wiper system components, including the wiring harness, relay, and switch, to identify any visible damage or corrosion.
- Use a multimeter to test the continuity and resistance of the relay coil circuit to pinpoint the location of the short to ground.
- Replace any damaged wiring or components in the wiper system, such as the relay or switch, to eliminate the short circuit.
- Clear any corrosion or debris from the connections in the relay coil circuit to ensure proper electrical contact.
- Test the repaired wiper system to verify that the issue has been resolved and that the wipers operate correctly at different speeds.
Cost to Fix B1437 Lincoln
The typical repair costs for addressing a Wiper Hi/Low Speed Relay Coil Circuit Short To Ground issue in a Lincoln vehicle can range from $150 to $300, depending on the extent of the damage and the specific components that need to be replaced. This estimate includes the cost of parts, such as a new wiper relay or wiring harness, as well as labor charges for diagnosis and repair. It's important to note that the actual repair costs may vary based on the location of the auto repair shop, the make and model of the vehicle, and the hourly labor rates. Additionally, diagnostic time and labor rates at dealerships or in metropolitan areas may be higher, while independent shops may offer more competitive pricing. To obtain a more accurate estimate, it is recommended to consult with local auto repair shops or service centers.
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Frequently Asked Questions about B1437 Lincoln Code
1. What are common symptoms of OBDII code B1437 Lincoln (Wiper Hi/Low Speed Relay Coil Circuit Short To Ground)?
- Common symptoms include inoperative wipers, wipers only working at one speed, or wipers not turning off.
2. What causes the OBDII code B1437 Lincoln to occur?
- The code is typically triggered by a short to ground in the wiper hi/low speed relay coil circuit.
3. How can I diagnose the issue related to OBDII code B1437 Lincoln?
- Diagnosis involves inspecting the wiper relay, checking for damaged wiring, and testing the relay coil for continuity.
4. Can a faulty wiper motor cause the OBDII code B1437 Lincoln to be set?
- Yes, a faulty wiper motor or its wiring can cause the code to be triggered due to issues with the wiper hi/low speed relay circuit.
5. What are some repair tips for fixing OBDII code B1437 Lincoln?
- Repair tips include checking and repairing any damaged wiring, replacing the wiper relay if necessary, and ensuring proper grounding of the circuit.
6. Is it safe to continue driving with the OBDII code B1437 Lincoln present?
- It is not recommended to drive with this code active, as it can lead to malfunctioning wipers which can affect visibility during inclement weather.
7. Can I reset the OBDII code B1437 Lincoln by simply clearing the code with a diagnostic scanner?
- Clearing the code may temporarily remove the warning light, but the underlying issue causing the code will need to be addressed to prevent it from reoccurring.
8. Are there any recalls or service bulletins related to the OBDII code B1437 Lincoln?
- It is recommended to check with a Lincoln dealership or online resources for any recalls or service bulletins related to this specific OBDII code.
9. How long does it typically take to repair the issue causing OBDII code B1437 Lincoln?
- The repair time can vary depending on the exact cause of the issue, but it may take anywhere from 1 to 3 hours to diagnose and fix the problem.
10. Can I fix the OBDII code B1437 Lincoln myself, or should I take it to a professional mechanic?
- While some DIY enthusiasts may be able to diagnose and repair the issue themselves, it is recommended to consult a professional mechanic for accurate diagnosis and proper repair of this code.
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