B1437 Mercury Code - Wiper Hi/Low Speed Relay Coil Circuit Short To Ground
Quick Answer
The Body Control Module (BCM) monitors the Wiper Hi/Low Speed Relay Coil. Common causes include Faulty Wiper Hi/Low Speed Relay Coil, Wiper Hi/Low Speed Relay Coil harness is open or shorted, Wiper Hi/Low Speed Relay Coil 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
- B1437 Mercury indicates Wiper Hi/Low Speed Relay Coil Circuit Short To Ground.
- Common causes
- Common causes include Faulty Wiper Hi/Low Speed Relay Coil, Wiper Hi/Low Speed Relay Coil harness is open or shorted, Wiper Hi/Low Speed Relay Coil 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 B1437 Mercury Description
What are the Possible Causes of the DTC B1437 Mercury?
- Faulty Wiper Hi/Low Speed Relay Coil
- Wiper Hi/Low Speed Relay Coil harness is open or shorted
- Wiper Hi/Low Speed Relay Coil circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B1437 Mercury?
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 B1437 Mercury 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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Frequently Asked Questions about B1437 Mercury Code
What does the OBDII code B1437 mean for a Mercury vehicle?
B1437 indicates a problem with the Wiper Hi/Low Speed Relay Coil Circuit, specifically a short to ground condition in the circuit.
What symptoms might indicate a B1437 code is present?
Common symptoms include windshield wipers that do not operate at all, only work intermittently, or function at the wrong speed settings.
What could cause the B1437 code to trigger?
The code can be triggered by a faulty wiper relay, damaged wiring or connectors, or an issue with the wiper motor itself.
How can I diagnose the B1437 code?
Start by inspecting the wiper relay and its connections for damage. Use a multimeter to check for continuity in the wiring and test the relay function.
Is it safe to drive with the B1437 code?
While it may be safe in dry conditions, driving without functional wipers poses a significant safety risk in rain or adverse weather, as visibility could be compromised.
What is a common repair for the B1437 code?
Common repairs include replacing the wiper relay, repairing or replacing damaged wiring, or replacing the wiper motor if it is found to be faulty.
Can I reset the B1437 code after repairs?
Yes, after addressing the underlying issue, you can clear the code using an OBDII scanner. It's recommended to perform a test drive to ensure the code does not return.
How much might it cost to fix the B1437 code?
Repair costs can vary, but simple fixes like replacing a relay might cost $50-$100, while more extensive wiring repairs could range from $150 to $300 or more.
Will the B1437 code affect other vehicle systems?
While primarily related to the windshield wipers, a short to ground can potentially affect other electrical systems if not addressed, leading to additional issues.
Discuss the causes and fixes for B1437 Mercury OBDII Code
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