Lexus GS400 1998 — technical service bulletin
Bulletin TC00298 · NHTSA communication 601156 · issued Feb 13, 1998
Technical service bulletin
communication type
Electrical System
component
1998
model years
3
vehicle entries
Official summary
Information intended to assist in diagnosis of mil "on" with dtc p0715 stored in ecm memory, indicating an input/turbine speed sensor malfunction. *ak
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.