AutoCodes – Generic – B26E7

B26E7 Code - TPMS CAN Communication

Quick Answer

The Body Control Module (BCM) monitors the Tire Pressure Monitor System (TPMS). Common causes include Faulty Body Control Module (BCM), Body Control Module (BCM) harness is open or shorted, Body Control Module (BCM) 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: B26E7 indicates TPMS CAN Communication.
Common causes: Common causes include Faulty Body Control Module (BCM), Body Control Module (BCM) harness is open or shorted, Body Control Module (BCM) 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.

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Code Popularity 1,729

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jan 13, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B26E7 Description

The Body Control Module (BCM) monitors the Tire Pressure Monitor System (TPMS). The BCM sets the OBDII code when it cannot receive the Controlled Area Network (CAN) communication signal from the Low Tire Pressure Warning Control Unit.

OBDII Code B26E7 - TPMS CAN Communication - AutoCodes.com — B26E7 Code - TPMS CAN Communication

What does this mean?

What are the Possible Causes of the DTC B26E7?

Faulty Body Control Module (BCM)
Body Control Module (BCM) harness is open or shorted
Body Control Module (BCM) circuit poor electrical connection
Faulty Low Tire Pressure Warning Control Unit
Controlled Area Network (CAN) Communication

How to Fix the DTC B26E7?

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 B26E7 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 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

Information for Specific Makes

B26E7 Infiniti — TPMS CAN Communication
B26E7 Nissan — TPMS CAN Communication

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.