Acura TLX 2019–2020 — technical service bulletin
Bulletin BTS220401 · NHTSA communication 10211083 · issued Apr 6, 2022
Technical service bulletin
communication type
Steering
component
2019–2020
model years
2
vehicle entries
Official summary
Tech line summary article - Clients are experiencing multiple warning lights coming on with DTC C1600-94 (Precision All Wheel Steer System Unexpected Operation). You need to do an all DTC check. If you can duplicate and related codes are present, follow the appropriate troubleshooting. If you cannot duplicate the contention after clearing the DTC then follow up with the client and document the driving conditions needed to replicate the complaint.
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.