22-01-076H-1

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.