Engine-Codes.com | All About OBDII Engine Codes
Engine-Codes.com | All About OBDII Engine Codes

B2799 Toyota

B2799 Toyota - Engine Immobilizer Malfunction

PDF
B2799 Toyota Comments |  Add Comment
Possible causes
- Faulty Key
- Faulty transponder key amplifier
- Faulty transponder key ECU assembly
- transponder key amplifier wire harness
Help with Possible causes What does this mean?
When is the code detected?
- Error in communication between ECM and transponder key ECU assy, and in communication line
- Communication ID is different during communication with transponder key ECU
B2799 Toyota Description

This Detected Trouble Code (DTC) is output when the ECM detects errors in communication between the transponder key ECU assembly and the ECM, or in the communication lines.

This DTC is also output when an engine start is attempted while the ECU communication ID between the transponder key ECU assy and the ECM is different.

Before troubleshooting for this DTC, make sure that there is no DTC detected in the transponder key ECU. If there is a key code-related DTC detected in the transponder key ECU assy, repair it first.

Need more help?
Do you need more help with the B2799 Toyota code? ask a question to our users or search the top hand picked automotive forums for more information


(You will add more details to the question in the next step)
or
Repair Shops Around Your Area
  • 4x4 Land LLC 18 Views
    Yelp Rating on Engine-Codes.com
    14065 Willard Rd
    Chantilly, VA
    (703) 263-3307
  • A & G Car Care 14 Views
    4076 Walney Rd
    Chantilly, VA
    (703) 378-2005
  • A & J Automotive 19 Views
    4399 Henninger Ct Unit-H
    Centreville, VA
    (703) 817-9880
See More...
Need parts?
Need parts to fix this code? Search hundreds of stores at the same time and compare prices


Help Engine-Codes.com
Help us improve Engine-Codes.com. Leave a comment below or tell us if the information above help you fix the code. What are symptoms is your vehicle for the B2799 Toyota code? Have you replaced any parts?
Any information is appreciated. Thanks
Engine-Codes.com Comments Powered by Disqus
Google +
Engine Light ON?

The Engine-Codes.com ELM327 WiFi Car Diagnostic connects to your Android phone, iPhone, iPad, or Windows computer from your vehicle.
Ask OBDII Question