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:
â?¢ C181287 â?? CAN Time-out Gateway
â?¢ C181208 â?? CAN Time-out Gateway
â?¢ C180581 â?? LKAS CAN Signal Error
â?¢ C181887 â?? CAN Time-out BCA
â?¢ 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.
