AutoCodesLincoln – B1251 Lincoln

B1251 Lincoln Code - Tire Pressure Sensor Low Battery No Sub Type Information

Quick Answer

The Body Control Module (BCM) monitors the Tire Pressure Sensor. Common causes include Faulty Tire Pressure Sensor, Faulty Body Control Module (BCM), Body Control Module (BCM) harness is open or shorted. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
B1251 Lincoln indicates Tire Pressure Sensor Low Battery No Sub Type Information.
Common causes
Common causes include Faulty Tire Pressure Sensor, Faulty Body Control Module (BCM), Body Control Module (BCM) harness is open or shorted.
Severity
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
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Code Popularity 1,334
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 29, 2024
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Code B1251 Lincoln Description

The Body Control Module (BCM) monitors the Tire Pressure Sensor. The OBDII code is set by the BCM in continuous memory when attempting to train a Tire Pressure Monitor System (TPMS) Warning Light ON sensor(s) with a low battery. The TPMS warning indicator flashes for 70 seconds and then remains on continuously when the ignition is turned to the ON position, and the message center displays TIRE PRESSURE SENSOR FAULT.
OBDII Code B1251 Lincoln - Tire Pressure Sensor Low Battery No Sub Type Information - AutoCodes.com
B1251 Lincoln Code - Tire Pressure Sensor Low Battery No Sub Type Information

What are the Possible Causes of the DTC B1251 Lincoln?

  • Faulty Tire Pressure Sensor
  • Faulty Body Control Module (BCM)
  • Body Control Module (BCM) harness is open or shorted
  • Body Control Module (BCM) circuit poor electrical connection

How to Fix the DTC B1251 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 B1251 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 B1251 Lincoln code?

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Need Help with the Code?

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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 B1251 Lincoln Code

What does the OBDII code B1251 indicate for a Lincoln vehicle?

B1251 indicates a low battery condition in one or more tire pressure sensors.

What are the common symptoms of the B1251 code?

Common symptoms include the tire pressure warning light illuminated on the dashboard and inaccurate tire pressure readings.

What typically causes the B1251 code to trigger?

The code is usually triggered by a weak or dead battery in the tire pressure monitoring system (TPMS) sensors.

How can I diagnose a B1251 code?

You can diagnose it by checking the tire pressure in all tires, inspecting the TPMS sensors, and testing the sensor batteries if possible.

Can I reset the B1251 code myself?

Yes, you can reset the code using an OBDII scanner, but the underlying issue with the tire pressure sensors must be resolved first.

What should I do if I have a B1251 code?

First, check the tire pressures and ensure they are at the correct levels. If the warning persists, inspect or replace the tire pressure sensors.

How often should I replace tire pressure sensor batteries?

Tire pressure sensor batteries typically last 5-10 years, but it’s a good idea to check them during regular vehicle maintenance.

Is it safe to drive with the B1251 code?

While it is generally safe to drive, you should monitor tire pressures regularly, as low tire pressure can lead to safety issues.

Can weather affect the B1251 code?

Yes, extreme temperatures can affect tire pressures and may contribute to triggering the B1251 code if the sensors are already weak or failing.

Discuss the causes and fixes for B1251 Lincoln OBDII Code

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