2021 Hyundai Elantra Hybrid technical service bulletins
47 technical service bulletins and manufacturer communications cover the 2021 Hyundai Elantra Hybrid, including 7 warranty extensions.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Inoperable horn
- Inoperable horn
- Inoperable horn
- Inoperable horn
- Inoperable horn
- This bulletin provides information related to the navigation and head unit software changes introduced in...
- Higher-than-expected engine oil consumption
- Higher-than-expected engine oil consumption
- The federal safety agency has issued an urgent safety advisory regarding dangerous, counterfeit...
- The federal safety agency has identified the presence of substandard and dangerous driver’s-side airbag...
- Certain warning lights and trigger DTC C272246 fault code for the front camera
- This bulletin provides information regarding condensation related to the accumulated moisture in the...
- This bulletin provides information related to the changes introduced in the 2025 1st Navigation Map and...
- Warning light with Diagnostic Trouble Code (“DTC”) P1BB20 due to a battery over voltage condition.
- This bulletin provides the procedure to update the software for the Battery Management System (BMS) on...
- Warning light due to DTC Code P1BB20 (12V Lithium Battery Cell Voltage High)
- This bulletin provides information related to the changes introduced in the 2024 2nd Navigation Map and...
- Loss of connectivity or interruptions in the middle of using Bluelink Service functions
- Loss of connectivity or interruptions in the middle of using Bluelink Service functions
- Condition where the cruise control setting speed increases without input from the driver
- This bulletin provides the procedure to update the software for the Battery Management System (BMS) on...
- Warning light due to DTC Code P1BB20 (12V Lithium Battery Cell Voltage High)
- Intermittent condition where the cruise control set speed could gradually increase when the driver...
- Condition where the radio app crashes frequently when entering radio mode and/or displays a message that...
- Warning light due to DTC Code P1BB20 (12V Lithium Battery Cell Voltage High)
- This bulletin contains information about the proper removal of the windshield wiper blade protective cover...
- Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined...
- Condition where the radio app crashes frequently when entering radio mode and/or displays a message that...
- This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
- This Service Information bulletin provides information on how to update the Apple Carplay software from...
- Hyundai applies a Paint Protection Film (PPF) on new vehicles before delivery to dealerships
- A compliance software update is needed for DTC P17D249, a permanent DTC that affects the MCA (Modular...
- This bulletin provides information related to a Modular Clutch Actuator (MCA) compliance software update...
- Condition with multiple warning lights displayed on the instrument cluster and various symptoms; multiple...
- Follow the guidelines outlined in
- Effective June 2, 2008, Federal Motor Vehicle Safety Standard 110 (FMVSS 110) established a threshold for...
- Bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly
- If you are servicing an applicable model with Hybrid Drive Motor (Traction Motor) improper operation or...
- Paint delamination on the left, right and lower moldings of the front bumper
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