New ECU Calibration TSB for Hybrid Models T-SB-0046-23 for DTC's P060649 and/or P060647

NHTSA ID Number: 10241403

Manufacturer Communication Number: T-SB-0046-23

Summary

TSB: Some 2022 ? 2023 model year Tundra Hybrid and 2023 model year Sequoia Hybrid vehicles may exhibit a MIL ON condition with one or both of the following Diagnostic Trouble Codes (DTCs) present:

?P060649 ? Control Module Processor Unexpected Operation

?P060647 ? Control Module Processor Watchdog/Safety MCU Failure

The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to address this condition.

https://static.nhtsa.gov/odi/tsbs/2023/MC-10241403-9999.pdf

 

Yeah at the mercy of waiting for it to be published on the NHTSA site, but hopefully not getting any nastygrams because its in the public domain