Lexus DTC B2796 – No Communication In Immobilizer System
DTC B2796 meaning on Lexus
DTC B2796 on a Lexus indicates a communication error within the immobilizer system. This error code is specific to the immobilizer system, which is designed to prevent unauthorized starting of the vehicle.
Lexus DTC B2796 symptoms
Symptoms of DTC B2796 may include:
- Engine not starting
- Immobilizer warning light illuminated on the dashboard
- Key fob not working properly
Lexus DTC B2796 causes
Common causes of DTC B2796 include:
- Issues with the immobilizer system wiring
- Faulty immobilizer system control module
- Problems with the key fob or key transponder
Lexus DTC B2796 seriousness
DTC B2796 is a serious issue as it can prevent the vehicle from starting. It is important to address this problem promptly to ensure the proper functioning of the immobilizer system.
How to diagnose DTC B2796 on Lexus
To diagnose DTC B2796 on a Lexus, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the specific error code
- Inspect the wiring and connections related to the immobilizer system
- Check the immobilizer system control module for faults
- Test the key fob and key transponder for proper operation
How to fix DTC B2796 on Lexus
To fix DTC B2796 on a Lexus, the following steps may be taken:
- Repair any damaged wiring or connections in the immobilizer system
- Replace the immobilizer system control module if faulty
- Ensure the key fob and key transponder are functioning correctly
How to erase DTC B2796 on Lexus
To erase DTC B2796 on a Lexus, a mechanic can use a diagnostic scanner to clear the error code from the vehicle’s system memory. Once the issue has been addressed and fixed, the error code can be erased to reset the system.
Recommended tools for Lexus diagnostics
Explore our expert picks: The Best OBD2 Scanners for 2025
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.