AutoCodesFord – B1437 Ford

B1437 Ford 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 Ford 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 2,339
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 09, 2019
💬 Need more help? Ask Coddy for instant answers — it's free!

Code B1437 Ford Description

The Body Control Module (BCM) monitors the Wiper Hi/Low Speed Relay Coil. The BCM sets the OBDII code when the Wiper Hi/Low Speed Relay Coil is not to factory specifications.
OBDII Code B1437 Ford - Wiper Hi/Low Speed Relay Coil Circuit Short To Ground - AutoCodes.com
B1437 Ford Code - Wiper Hi/Low Speed Relay Coil Circuit Short To Ground

What are the Possible Causes of the DTC B1437 Ford?

  • 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 Ford?

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 Ford 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.

Need more information about the B1437 Ford code?

Need more information on how to fix the B1437 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1437 Ford code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1437 Ford Code

1. What does the OBDII code B1437 mean for a Ford vehicle?

B1437 indicates a short to ground in the Wiper Hi/Low Speed Relay Coil Circuit, affecting the operation of the windshield wipers.

2. What are the symptoms of the B1437 code in a Ford?

Symptoms may include wipers not functioning, being stuck at one speed, or failing to switch between high and low speeds.

3. What causes the B1437 code to appear?

Common causes include a faulty wiper relay, damaged wiring, corroded connectors, or a short to ground in the wiper circuit.

4. Can I drive my Ford with a B1437 code?

While it may be possible, it’s not advisable to drive in poor weather without functioning wipers, as it could compromise visibility and safety.

5. How do I diagnose the B1437 code?

Start by visually inspecting the wiring and connectors for damage or corrosion. Then test the wiper relay and use a multimeter to check for shorts in the circuit.

6. How can I fix the B1437 code in my Ford?

Repairs may include replacing the faulty relay, repairing or replacing damaged wiring, or cleaning corroded connectors.

7. Does the B1437 code always mean the relay is bad?

No, while the relay is a common culprit, the issue could also lie in the wiring, connectors, or the control module.

8. How much does it cost to repair the B1437 code?

Costs vary depending on the issue but may range from $50 to $150 for a relay replacement or more if extensive wiring repairs are needed.

9. Can a blown fuse cause the B1437 code?

A blown fuse itself may not cause this specific code, but it could indicate an underlying electrical problem that’s related to the short circuit.

10. Will clearing the B1437 code with a scan tool fix the problem?

Clearing the code won’t resolve the underlying issue. The cause of the short to ground must be diagnosed and repaired to prevent the code from returning.

Discuss the causes and fixes for B1437 Ford OBDII Code

Code B1437 Ford comments

No comments found for this page.

AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play