Canada - Keyless Start System- No Start, DTC B2799

Bulletin
TSB3088

Issue Date
March 9, 2009

Market
Canada

Title
"NO START" DTC B2799

Component
ENGINE ELECTRICAL

Models
'07-'08 Tundra

INTRODUCTION:

Some customers may experience a crank and "No start" condition accompanied with immobilizer DTC B2799 and/or B2780, B2784, B2796, B2797, B279A. A production change has been made to the Transponder key ECU to address customer concerns.






APPLICABLE VEHICLES:


PRODUCTION CHANGE INFORMATION:







This TSB applies to vehicles produced BEFORE the Production Change Effective VINs shown.






PARTS INFORMATION:






WARRANTY INFORMATION:






REQUIRED SSTS:






REQUIRED EQUIPMENT:

NOTE:
- Additional Techstream units may be ordered by completing the order form on ETAS and faxing it to (416) 431-8342
- Additional SSTs may be ordered by calling SPX/OTC at 1-800-933-8335.

REPAIR PROCEDURE:

1. Verify that the vehicle will crank but not start.
2. Perform Health check and look for an immobilizer code.
3. If there are any immobiliser DTC's present, test the vehicle using all keys. If the condition is present with all the keys, proceed to step 4. If the problem is isolated to a single key, refer to the repair manual diagnostic chart for the specific DTC.
4. Replace transponder key ECU.

Refer to the Repair Manual within E-TAS / TIS library:
- Model: Tundra
- Year: 2007/2008
- Service Category: Vehicle Interior
- Section: Theft Deterrent /Keyless Entry
- Keyword: Engine Immobiliser: Transponder Key ECU: Removal







A. Location of the Transponder Key ECU Assembly is on the Air Conditioning Unit between bulkhead on the left.







B. Back side of Air Conditioning Unit, where the Transponder Key ECU Assembly is mounted.







C. Remove the Transponder Key ECU Assembly from the Air Conditioning Unit, by sliding the lower half out and moving downwards to release the top.

5. Install new Transponder Key ECU.

Refer to the Repair Manual within E-TAS / TIS library:
- Model: Tundra
- Year: 2007/2008
- Service Category: Vehicle Interior
- Section: Theft Deterrent /Keyless Entry
- Keyword: Engine Immobiliser: Transponder Key ECU: Installation

6. Connect ETAS Techstream and clear all stored DTCs.
7. Verify Proper Operation of Immobilizer System.

NOTE:
Issue of this Technical Service Bulletin is to ensure that proper repair information is available. IT DOES NOT CONSTITUTE AN AUTHORIZATION FOR REPAIR. Normal provisions of the formal warranty policy, as applicable, will apply.