Toyota 4RUNNER 2014–2020 — technical service bulletin
Bulletin T-TT-0597-20 · NHTSA communication 10172379 · issued Jan 31, 2020
Technical service bulletin
communication type
Service Brakes
component
2014–2020
model years
7
vehicle entries
Official summary
TT: Some 2014-2020 model year 4Runner vehicles may experience the ABS Light ON with DTC C0226, C0236, C0246 and C0256 stored current in the ABS system.
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.