AutoCodesLincoln – P1937 Lincoln

P1937 Lincoln Code - Vehicle Speed Signal

Quick Answer

The Powertrain Control Module (PCM) monitors the Vehicle Speed Signal. Common causes include Faulty Vehicle Speed Sensor, Vehicle Speed Sensor harness is open or shorted, Vehicle Speed Sensor 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
P1937 Lincoln indicates Vehicle Speed Signal.
Common causes
Common causes include Faulty Vehicle Speed Sensor, Vehicle Speed Sensor harness is open or shorted, Vehicle Speed Sensor 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 1,120
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 04, 2020
💬 Need more help? Ask Coddy for instant answers — it's free!

Code P1937 Lincoln Description

The Powertrain Control Module (PCM) monitors the Vehicle Speed Signal. The PCM sets the Diagnostic Trouble Code (DTC) when the Vehicle Speed Signal is not to factory specifications.
OBDII Code P1937 Lincoln - Vehicle Speed Signal - AutoCodes.com
P1937 Lincoln Code - Vehicle Speed Signal

What are the Possible Causes of the DTC P1937 Lincoln?

  • Faulty Vehicle Speed Sensor
  • Vehicle Speed Sensor harness is open or shorted
  • Vehicle Speed Sensor circuit poor electrical connection

How to Fix the DTC P1937 Lincoln?

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 P1937 Lincoln 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 P1937 Lincoln code?

Need more information on how to fix the P1937 Lincoln code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1937 Lincoln 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 P1937 Lincoln Code

What does the OBDII code P1937 mean for a Lincoln vehicle?

The P1937 code indicates an issue with the Vehicle Speed Signal, which the powertrain control module (PCM) uses to monitor the vehicle's speed.

What are the common symptoms of a P1937 code on a Lincoln?

Symptoms may include erratic speedometer readings, poor transmission shifting, reduced engine performance, or activation of the check engine light.

What causes the P1937 code in Lincoln vehicles?

Common causes include a faulty vehicle speed sensor (VSS), damaged wiring or connectors, a malfunctioning PCM, or issues with the instrument cluster.

Can driving with a P1937 code damage my Lincoln?

Driving with this code may lead to improper transmission behavior and reduced fuel efficiency, but it’s unlikely to cause immediate severe damage. Prompt diagnosis is recommended.

How do I diagnose the P1937 code on a Lincoln?

Start by inspecting the vehicle speed sensor, wiring, and connectors for damage. Use a scan tool to check for related codes and monitor real-time speed sensor data.

What tools are needed to fix a P1937 code on a Lincoln?

You may need an OBDII scanner, a multimeter for testing electrical components, and basic hand tools for replacing the speed sensor or repairing wiring.

How do I fix the P1937 code in my Lincoln?

Repairs typically involve replacing the vehicle speed sensor, repairing damaged wiring, or addressing issues with the PCM or instrument cluster, depending on the diagnosis.

How much does it cost to repair the P1937 code on a Lincoln?

Costs vary, but replacing a vehicle speed sensor typically ranges from $100 to $300, including parts and labor.

Can a faulty vehicle speed sensor cause transmission issues in a Lincoln?

Yes, a faulty speed sensor can prevent the transmission from shifting properly, as it relies on accurate speed data for operation.

Is the P1937 code specific to Lincoln vehicles?

No, the P1937 code can appear on other vehicles, but its exact meaning and diagnostic steps may vary depending on the manufacturer.

Discuss the causes and fixes for P1937 Lincoln OBDII Code

Code P1937 Lincoln 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