Hyundai Elantra 2021–2022 — technical service bulletin
Bulletin 22-01-076H · NHTSA communication 10222083 · issued Sep 20, 2022
Technical service bulletin
communication type
Power Train
component
2021–2022
model years
4
vehicle entries
Official summary
Some 2021 ~ 2022MY Elantra (CN7, CN7a, CN7 HEV) vehicles may exhibit a condition with multiple warning lights displayed on the instrument cluster and various symptoms; multiple DTCs (Diagnostic Trouble Code), reduction in power steering assist, and not able to shift out of Park. Possible DTCs set are: C181287 â CAN Time-out Gateway, C181208 â CAN Time-out Gateway, C180581 â LKAS CAN Signal Error, C181887 â CAN Time-out BCA, B109052 â TCU Missing Error This bulletin provides the service procedure to update the ICU (Integrated Central Control Unit) software to resolve the conditions stated above
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.