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Service bulletins for the 2021 Hyundai Santa Fe

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

125 on file from NHTSA, as of 2026-10-19.

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By component

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Bulletins, newest first
22-AT-002H2022-04-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT. Certain vehicles equipped with 8-speed automatic transmission may experience an automatic transmission fluid (ATF) leak at the rear cover. This type of leak is caused by a porous casting on the rear cover of the transmission.
22-01-018H2022-03-08. Service bulletin. EQUIPMENT:ELECTRICAL; ENGINE AND ENGINE COOLING. Certain 2020-22MY Sonata (DN8a) and 2021-22MY Santa Fe (TMa) vehicles equipped with 2.5L engine may exhibit a MIL with DTC(s): • P2074: Mass Airflow Sensor Plausibility • P2074F0: Manifold Absolute Pressure/Mass Air Flow - Throttle Position Correlation at Lower Load • P2074F1: Manifold Absolute Pressure/Mass Air Flow - Throttle Position Correlation at Medium or High Load Secondary DTC(s) below may also be stored: • C136081: ESP Irreversible Error • C161308: CAN Signal Error EMS • C161386: CAN Signal Error EMS • C169381: Blind-Spot Collision Warning – CAN signal failure - ESC • C174181: ESC Not Available VSM (Check ESC) • C183586: CAN Message Failure ESC/IEB Vehicles diagnosed with DTC(s) may also experience reduced engine performance and limited power reduction mode. The ECM software revises the logic to accurately detect the amount of air the engine is receiving.
22-AT-001H2022-02-08. Service bulletin. POWER TRAIN. This TSB provides a procedure to diagnose the push button shifter operation. If you are servicing a vehicle with any symptoms or DTC listed below, follow the Service Procedure, Page 2.
21-EM-012H2022-01-08. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. Certain vehicles listed below equipped with 2.5T turbo engines may have a misassembled check valve for the PCV (Positive Crankcase Ventilation) system, resulting in engine oil entering the intake and contaminating the air cleaner. This bulletin describes the procedure to clean the air intake system and replace the PCV check valve and air cleaner.
21-01-075H2022-01-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Certain 2020-22MY Sonata (DN8a), 2021-22MY Santa Fe (TMa), and 2022MY Tucson (NX4/NX4a) vehicles equipped with 2.5L engine may exhibit a MIL with DTC(s): • P2074: Mass Airflow Sensor Plausibility • P2074F0: Manifold Absolute Pressure/Mass Air Flow - Throttle Position Correlation at Lower Load • P2074F1: Manifold Absolute Pressure/Mass Air Flow - Throttle Position Correlation at Medium or High Load Secondary DTC(s) below may also be stored: • C136081: ESP Irreversible Error • C161308: CAN Signal Error EMS • C161386: CAN Signal Error EMS • C169381: Blind-Spot Collision Warning – CAN signal failure - ESC • C174181: ESC Not Available VSM (Check ESC) • C183586: CAN Message Failure ESC/IEB Vehicles diagnosed with DTC(s) may also experience reduced engine performance and limited power reduction mode. The ECM software revises the logic to accurately detect the amount of air the engine is receiving.
21-01-065H2021-12-09. Service bulletin. VISIBILITY. This bulletin describes the procedure to inspect, and if necessary, replace the sun visor retainer for certain 2021 – 2022MY Santa Fe (TMa) vehicles with Calligraphy trim and Obsidian Black interior (color code: NNB).
21-AT-017H2021-11-06. Service bulletin. POWER TRAIN. : Certain vehicles equipped with 8-speed automatic transmission may experience an automatic transmission fluid (ATF) leak at the rear cover. This type of leak is caused by a porous casting on the rear cover of the transmission.
21-BE-009H2021-08-07. Service bulletin. ELECTRICAL SYSTEM. The front center speaker may produce a scratchy or distorted sound during operation. This bulletin describes the procedure to replace the crash pad center speaker for certain 20 and 21MY TMa Santa Fe.
21-AT-009H2021-08-07. Service bulletin. POWER TRAIN. This TSB provides a procedure to diagnose the push button shifter operation.
21-BD-008H2021-07-09. Service bulletin. STRUCTURE. This bulletin outlines the repair procedure for customers experiencing a popping or rattling noise from the front fender area of the vehicle while driving. The repair procedure outlined in this TSB only applies to vehicles manufactured within the production date range specified below and exhibit noise from the fender area.
21-AT-007H2021-07-09. Service bulletin. POWER TRAIN. If you are servicing an 8-speed front-wheel-drive vehicle with the DTC or symptoms listed below, refer to the Service Procedure to diagnose the condition. • DIAGNOSTIC TROUBLE CODES: • P070500 - Transmission range sensor circuit malfunction • P070512 - Transmission range sensor circuit malfunction • P070514 - Transmission range sensor circuit malfunction • P07051C - Transmission range sensor circuit malfunction • P070600 - Transmission range sensor circuit range/performance • P070661 - Transmission range sensor circuit range/performance • P070696 - Transmission range sensor circuit range/performance • SYMPTOMS: • Malfunction Indicator Light (MIL) illuminated • 5th gear fail-safe • No gear indication in cluster • Intermittently won’t shift into D or R • Intermittently won’t shift out of Park • Intermittent ly no engine cr ank/no start in “P” or “N” with or without MIL or DTC.
21-01-053H2021-07-09. Service bulletin. ELECTRICAL SYSTEM. Some 2021 Santa Fe Hybrid (TM HEV) vehicles may exhibit the Auto-Shut Off incorrect clock countdown displayed on the instrument cluster. If the user selects 60 minutes, the countdown clock will start at 29:59 instead of 59:59. This bulletin provides the service procedure to update the instrument cluster software to correct the Auto-Shut Off countdown clock.
21-EM-004H2021-04-07. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. This bulletin provides the service procedure for engine connecting rod bearing clearance testing. Perform the procedure outlined in this bulletin to fulfill the Bearing Clearance Test inspection requirements to determine next required steps.
21-BR-002H2021-04-07. Service bulletin. SERVICE BRAKES; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin provides best practice recommendations when performing brake service procedures.
21-EM-003H2021-04-06. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below.
21-BE-005H2021-04-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Some 2020-2021 Santa Fe (TMa) and Palisade (LX2) may intermittently experience abnormal camera image display conditions on the instrument cluster when the turn signal is turned ON or the radio screen when transmission is in Reverse. The following conditions may occur; blurry image, line on the screen, fuzziness, or blue screen. This bulletin provides information to assist with troubleshooting the condition(s) above.
21-BE-001H2021-02-06. Service bulletin. WHEELS; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; EQUIPMENT. This bulletin describes the procedure to diagnose and repair tire pressure monitoring system (TPMS) DTC(s) on some 2020-2021MY Palisade (LX2) and Santa Fe (TMa) vehicles equipped with surround view monitoring (SVM) system.
21-GI-002H2021-02-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information on the Launch Quality Monitoring Process (LQMP) for the 2021MY Hyundai Santa Fe. After a new vehicle launch, Hyundai uses the LQMP to monitor all customer and dealer activities at a minimum of 100 days. The Santa Fe LQMP helps improve model vehicle quality, and allows Hyundai to proactively respond to the Voice of the Customer (VOC).
20-BE-014H2021-01-09. Service bulletin. ELECTRICAL SYSTEM. When using Wireless CarPlay, the system may intermittently auto disconnect. When Wireless CarPlay is disconnected, a pop up message “Phone Not Responding. Please reconnect it and try again” will appear on the radio screen.
20-BR-002H2020-12-08. Service bulletin. SERVICE BRAKES. This bulletin describes the procedure to inspect and identify fluid which may appear around the brake caliper area.
20-SS-004H2020-12-08. Service bulletin. WHEELS; TIRES. This bulletin provides tire vibration service procedures, including how to optimize vehicle vibration performance. For all wheel/tire balance claims, the “Tire Balance Data Sheet” must be fully completed including imbalance and Road Force Variation (RFV) data. The Data Sheet can be found at the end of this bulletin.
20-AT-005H-12020-11-06. Service bulletin. POWER TRAIN. If you are servicing an applicable vehicle with a “Check Engine” light on and one or more of the DTC listed below, follow the repair procedure and replace the related solenoid and valve body harness.
20-BE-011H2020-11-06. Service bulletin. BACK OVER PREVENTION. Some 2020-2021 Santa Fe (TMa) and Palisade (LX2) may intermittently experience abnormal camera image display conditions on the instrument cluster when the turn signal is turned ON or the radio screen when transmission is in Reverse. The following conditions may occur; blurry image, line on the screen, fuzziness, or blue screen. This bulletin provides information to assist with troubleshooting the condition(s) above.
20-AT-022H2020-10-08. Service bulletin. POWER TRAIN. This bulletin provides the procedure to update the TCU for a shift flare and shock on reacceleration when driving in Sport Mode.
20-AT-020H2020-10-08. Service bulletin. POWER TRAIN. This bulletin provides a procedure to transfer pressure data to the TCU using GDS Mobile. This procedure is necessary to reduce the transmission learning time and improve the shift quality.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.