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Engine-Codes – Generic – B287A

B287A Code - Tire Pressure System Fault

Quick Answer

The B287A diagnostic trouble code indicates a fault in the tire pressure monitoring system (TPMS) of the vehicle. Common causes include Faulty TPMS sensor(s) due to battery failure or sensor damage, Corrosion or damage to the TPMS wiring or connectors, Malfunctioning TPMS receiver module. 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
B287A indicates Tire Pressure System Fault.
Common causes
Common causes include Faulty TPMS sensor(s) due to battery failure or sensor damage, Corrosion or damage to the TPMS wiring or connectors, Malfunctioning TPMS receiver module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code B287A Description

The B287A diagnostic trouble code indicates a fault in the tire pressure monitoring system (TPMS) of the vehicle. The TPMS is designed to alert the driver when one or more tires are significantly underinflated, potentially compromising safety, handling, and fuel efficiency. This code typically points to a malfunction in one of the sensors, the receiver module, or the wiring/connectors associated with the TPMS.

OBDII Code B287A - Tire Pressure System Fault
B287A Code - Tire Pressure System Fault

Common Causes of B287A

  1. Faulty TPMS sensor(s) due to battery failure or sensor damage
  2. Corrosion or damage to the TPMS wiring or connectors
  3. Malfunctioning TPMS receiver module
  4. Interference from external sources disrupting TPMS signal transmission
  5. Incorrect tire installation or incompatible aftermarket wheels affecting sensor operation

Symptoms of B287A

  1. Illuminated TPMS warning light on the dashboard
  2. Inaccurate or fluctuating tire pressure readings displayed on the instrument cluster
  3. Loss of communication with one or more TPMS sensors
  4. Unexpected tire pressure alerts when all tires are properly inflated

How to Fix B287A

  1. Use a TPMS diagnostic tool to identify the specific sensor or component causing the fault code.
  2. Inspect all TPMS sensors for damage or low battery levels and replace as necessary.
  3. Check and repair any damaged wiring or connectors in the TPMS system.
  4. Reset the TPMS system and perform a relearn procedure to synchronize the sensors with the receiver module.
  5. Test drive the vehicle to ensure the TPMS warning light is no longer illuminated and that accurate tire pressure readings are displayed.

Cost to Fix B287A

The cost of repairing a tire pressure system fault (B287A) can vary depending on the specific cause of the issue and the vehicle's make and model. On average, parts for TPMS sensor replacement can range from $50 to $100 per sensor, with additional costs for labor and diagnostic fees. Overall, the total repair cost for addressing a TPMS fault can range from $100 to $300 or more. It's recommended to consult with a qualified mechanic or dealership for a precise estimate based on your vehicle's requirements and any additional necessary repairs. Keep in mind that labor rates and part prices may vary significantly, so it's advisable to compare quotes from multiple sources before proceeding with the repair.

What does this mean?

Tech Notes for B287A

When the tire pressure warning light comes on solid and message center displays LOW TIRE PRESSURE, check the air pressure of all tires and adjust to the specified cold pressure listed on vehicle certification label (found on drivers door or door pillar). Drive the vehicle at 20 mph (32 km/h) for at least 2 minutes. If the vehicle has been stationary for more than 30 minutes, a TPM sensor Activation procedure may be needed. When the tire pressure warning light flashes for 70 seconds and then remains illuminated, after bulb-check has been performed and message center displays warning messages, there is a malfunction in the TPM system.

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Code B287A Information for Specific Makes

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 B287A Code

1. What does the OBDII code B287A mean?

The code B287A indicates a fault in the Tire Pressure Monitoring System (TPMS), which may be caused by a malfunctioning sensor, wiring issue, or TPMS module failure.

2. What are the common symptoms of code B287A?

Common symptoms include the TPMS warning light illuminating, inaccurate tire pressure readings, or no tire pressure data displayed on the dashboard.

3. What causes the B287A code to be triggered?

Causes may include a failed TPMS sensor, dead sensor battery, damaged wiring or connectors, interference with the TPMS signal, or a faulty TPMS control module.

4. Can I drive with the B287A code active?

Yes, but it’s not recommended to ignore the code, as it may prevent you from being alerted to actual low tire pressure, which can impact safety and fuel efficiency.

5. How do I diagnose the B287A code?

Use an OBDII scanner capable of reading TPMS codes to identify the issue, inspect the sensors and wiring for damage, and verify tire pressures manually to rule out actual low pressure.

6. How do you fix the B287A code?

Repairs may include replacing a faulty TPMS sensor, repairing damaged wiring, resetting the TPMS system, or updating/reprogramming the TPMS module.

7. How much does it cost to repair the B287A code?

Repair costs vary, but replacing a TPMS sensor typically costs $50–$150 per sensor, while diagnosing and repairing wiring or module issues may be more expensive.

8. Can the B287A code clear itself?

In some cases, the code may clear itself after the issue is resolved, such as when a low tire is inflated or a faulty sensor is replaced, but it often requires manual resetting.

9. What tools are needed to troubleshoot the B287A code?

You’ll need an OBDII scanner, a TPMS activation tool, a tire pressure gauge, and possibly a multimeter for wiring checks.

10. How do I prevent the B287A code from recurring?

Regularly inspect tire pressures, replace TPMS sensors when their batteries are low, and avoid physical damage to sensors during tire changes or maintenance.

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