Engine-Codes.com
Engine-Codes – Generic – B26E7

B26E7 Code - TPMS CAN Communication

Quick Answer

The B26E7 diagnostic trouble code (DTC) relates to an issue with the Tire Pressure Monitoring System (TPMS) CAN communication. Common causes include Faulty TPMS sensor, Wiring issues or shorts in the TPMS system, Malfunctioning TPMS control 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
B26E7 indicates TPMS CAN Communication.
Common causes
Common causes include Faulty TPMS sensor, Wiring issues or shorts in the TPMS system, Malfunctioning TPMS control 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 07, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
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

Code B26E7 Description

The B26E7 diagnostic trouble code (DTC) relates to an issue with the Tire Pressure Monitoring System (TPMS) CAN communication. The TPMS is a crucial system in modern vehicles that monitors the air pressure in the tires and alerts the driver if there is a significant drop in pressure. The CAN (Controller Area Network) is a communication network within the vehicle that allows various control modules to communicate with one another. When the TPMS CAN communication is compromised, it can lead to inaccurate tire pressure readings, failure to alert the driver of low tire pressure, or false alarms.

OBDII Code B26E7 - TPMS CAN Communication
B26E7 Code - TPMS CAN Communication

Common Causes of B26E7

  1. Faulty TPMS sensor
  2. Wiring issues or shorts in the TPMS system
  3. Malfunctioning TPMS control module
  4. Communication error within the CAN network
  5. Low battery voltage affecting TPMS operation

Symptoms of B26E7

  1. TPMS warning light illuminated on the dashboard
  2. Inaccurate tire pressure readings displayed on the instrument cluster
  3. Loss of communication with TPMS sensors
  4. Erratic behavior of the TPMS system, such as intermittent alerts or false alarms

How to Fix B26E7

  1. Begin by checking the TPMS sensors and replacing any faulty sensors.
  2. Inspect the wiring harness for any damage or corrosion, repairing or replacing as needed.
  3. Reset the TPMS system using a compatible diagnostic tool to clear the code and recalibrate the sensors.
  4. Check the CAN network for any communication errors and address any issues found.
  5. If the problem persists, consult a professional technician for further diagnosis and potential replacement of the TPMS control module.

Cost to Fix B26E7

The cost of repairing the TPMS CAN communication issue can vary depending on the specific cause of the problem and the vehicle's make and model. In general, the cost of replacing a TPMS sensor can range from $50 to $200 per sensor, including parts and labor. Wiring repairs or replacements could add additional costs, ranging from $100 to $500 depending on the extent of the damage. Diagnostic time and labor rates at auto repair shops can vary, with hourly rates typically falling between $80 and $150. It is advisable to consult a local repair shop for a more accurate estimate based on the individual circumstances.

Need more information about the B26E7 code?

Need more information on how to fix the B26E7 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B26E7 code diagnosed by a professional: Find a repair shop in your area

Code B26E7 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 B26E7 Code

1. What does OBDII code B26E7 mean?

Code B26E7 indicates an issue with the Tire Pressure Monitoring System (TPMS) communication over the Controller Area Network (CAN), meaning the TPMS module is not transmitting or receiving data properly.

2. What are the common symptoms of code B26E7?

Symptoms include the TPMS warning light illuminating on the dashboard, inability to read tire pressure values, and intermittent or no communication with the TPMS module.

3. What causes the B26E7 TPMS CAN Communication code?

Common causes include faulty TPMS sensors, a malfunctioning TPMS module, damaged CAN wiring or connectors, or issues with the vehicle's main control module.

4. Can I drive with code B26E7 active?

While you can drive with this code active, it is not recommended as the TPMS system may not alert you to low tire pressure, increasing the risk of tire damage or unsafe driving conditions.

5. How is the B26E7 code diagnosed?

A technician will scan the vehicle for stored codes, inspect the CAN wiring and connectors for damage, check the functionality of TPMS sensors, and test the TPMS module for proper communication.

6. What repairs can fix the B26E7 code?

Repairs may involve replacing faulty TPMS sensors, repairing or replacing damaged CAN wiring, reprogramming or replacing the TPMS module, or addressing software issues in the vehicle's main control module.

7. How much does it cost to fix the B26E7 code?

Repair costs vary depending on the issue, but replacing a single TPMS sensor typically costs $50-$150, while more extensive repairs to the CAN network or TPMS module may cost $200-$500 or more.

8. Can a dead TPMS sensor trigger code B26E7?

Yes, a dead or malfunctioning TPMS sensor can prevent communication with the TPMS module, triggering this code.

9. How can I prevent code B26E7 from occurring?

Regularly check and maintain proper tire pressure, replace TPMS sensors as recommended by the manufacturer, and ensure any electrical repairs are done carefully to avoid damaging the CAN network.

10. Do I need to reprogram the TPMS module after repairs?

In some cases, reprogramming or recalibrating the TPMS module may be necessary after replacing sensors or repairing the CAN network to clear the code and restore functionality.

Discuss the causes and fixes for B26E7 OBDII Code

Submit a New Comment

Code B26E7 comments

No comments found for this page.