Some 2021 ~ 2022MY Elantra (CN7, CN7a, CN7 HEV) vehicles may exhibit a condition with multiple warning...

Bulletin number

22-01-076H

Component

Power train

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 – CAN Time-out Gateway, C181208 – CAN Time-out Gateway, C180581 – LKAS CAN Signal Error, C181887 – CAN Time-out BCA, B109052 – TCU Missing Error This bulletin provides the service procedure to update the ICU (Integrated Central Control Unit) software to resolve the conditions stated above.

Owners of these vehicles have filed 23 complaints in the transmission category.