Lincoln Mark Viii 1997 — technical service bulletin
Bulletin 6601 · NHTSA communication 610703 · issued Jul 1, 1999
Technical service bulletin
communication type
Service Brakes, Hydraulic
component
1997
model years
1
vehicle entries
Official summary
Some vehicles may exhibit a yellow four wheel anti-lock (4wabs) lamp illuminated and a hard fault dtc c1155 (left front wheel speed sensor circuit) after the 4wabs integrated control unit (icu) has been replaced. *tt
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.