Toyota Crown 2023 — technical service bulletin
Bulletin T-SB-0034-24 · NHTSA communication 11003580 · 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 one or both of the following Diagnostic Trouble Codes (DTCs) present: •P001400 – (B Camshaft Position - Timing Over-Advanced or System Performance Bank 1) •P001500 – (B Camshaft Position - Timing Over-Retarded Bank 1) 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.