Toyota 4 Runner 2003 — technical service bulletin
Bulletin 00503 · NHTSA communication 10005760 · issued Dec 4, 2003
Technical service bulletin
communication type
Service Brakes, Hydraulic
component
2003
model years
1
vehicle entries
Official summary
Vsc light on condition with diagnostic trouble code c1203 in the skid control computer memory. A modification to the skid control computer logic has been made to prevent this condition. *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.