Hyundai Sonata 1999 — technical service bulletin
Bulletin 9900003 · NHTSA communication 608142 · issued Jul 1, 1999
Technical service bulletin
communication type
Electrical System
component
1999
model years
1
vehicle entries
Official summary
This bulletin describes a procedure to prevent erroneous diagnostic trouble codes (dtc) from being set in the ecm during dynamometer testing for vehicles equipped with traction control system (tcs).
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.