OBD Guide

B26E7

TPMS CAN Communication

B26E7 is an OBD-II diagnostic trouble code meaning: TPMS CAN Communication. Common causes: broken or damaged tpms wiring harness, tpms sensor malfunction. Estimated repair cost: $33–111.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$33–111 (est.)

Symptoms

  • The TPMS indicator on the dashboard is on
  • Missing tire pressure data
  • TPMS monitoring screen not working

Causes

  • Broken or damaged TPMS wiring harness
  • TPMS sensor malfunction
  • Problems with the CAN bus
  • TPMS Sensors Battery Low
  • Oxidation of contacts

How to Fix

  1. Check the integrity of the TPMS wiring harness
  2. Diagnose TPMS sensors for faults
  3. Check the CAN bus for communication errors
  4. Replace faulty TPMS sensors
  5. Clean or replace oxidized contacts

Related codes

FAQ

What does the B26E7 code mean?

B26E7 is an OBD-II diagnostic trouble code that indicates: TPMS CAN Communication

What causes a B26E7 error code?

The most common causes of B26E7 include: Broken or damaged TPMS wiring harness; TPMS sensor malfunction; Problems with the CAN bus; TPMS Sensors Battery Low.

How do I fix a B26E7 diagnostic trouble code?

To fix B26E7: Check the integrity of the TPMS wiring harness. Diagnose TPMS sensors for faults. Check the CAN bus for communication errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B26E7?

Do not drive — repair immediately

How much does it cost to fix B26E7?

The estimated repair cost for B26E7 is $33–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat