Toyota Crown 2023 — technical service bulletin
Bulletin T-SB-0033-24 · NHTSA communication 11003631 · issued Apr 15, 2024
Technical service bulletin
communication type
Engine
component
2023
model years
1
vehicle entries
Official summary
Some 2023 model year Crown vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P060649 (Control Module Processor Unexpected Operation) present. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.