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Service bulletins for the 2020 Hyundai Palisade

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.

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

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
23-BE-007H2023-08-02. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; ELECTRICAL SYSTEM. This Service Information bulletin provides information on how to update the Apple Carplay software from Hyundai’s Navigation Updates page. The current version of Google Maps has 10 times the data transmission compared to the previous version. As a countermeasure, an update with a frame skip logic has been added to resolve the data congestion with Google Maps.
23-01-014H-52023-08-02. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:SENSOR. Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system operation and ignition start logic, and installation of two anti-theft decals for the front windows.
23-01-014H-52023-06-30. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE. Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system operation and ignition start logic, and installation of two anti-theft decals for the front windows.
23-01-014H-42023-06-02. Service bulletin. ELECTRICAL SYSTEM. Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system operation and ignition start logic, and installation of two anti-theft decals for the front windows.
23-01-014H-42023-05-04. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:SENSOR. Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system operation and ignition start logic, and installation of two anti-theft decals for the front windows.
23-01-014H-42023-05-04. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:SENSOR. Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993) in response to an increase in thefts of certain Hyundai vehicles not equipped with engine immobilizers targeted through social media. In November 2021, engine immobilizers became standard on all Hyundai vehicles produced.
23-EE-003H2023-03-02. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin provides information related to the ECU software update for improvement of: - ISG operation in relation to the battery SOH (State Of Health) condition will be removed - ISG engagement with satisfied battery SOC (State Of Charge) will remain
22-01-069H2022-09-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides the procedure to remove the 40A fuse as an interim action relating to Recall 235 (TSB 22-01-070H or latest version) for vehicles equipped with a Genuine Hyundai Accessory trailer tow hitch and wire harness installed.
22-BE-002H2022-06-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; STEERING. Certain 2019-2022MY Palisade (LX2) vehicles may display a haptic motor check on the cluster. This bulletin provides the procedure to update the Integrated Central Control Unit (ICU) software to resolve this condition.
21-HA-003H2021-10-08. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM. Certain 2020-2021MY Palisade (LX2) vehicles may experience reduced A/C performance due to an out of specification A/C compressor pulley and hub assembly. Follow the procedure outlined in this bulletin to inspect and determine whether to replace the compressor assembly or only the pulley using the service kit.
21-BE-004H2021-04-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 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.
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.
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.
20-01-039H2020-11-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides information and procedures for collecting OBD “In Use Monitor Performance Ratio” (IUMPR) data on certain 2019-2021MY vehicles at California dealers. This reporting is mandated by CARB (California Air Resources Board).
20-ST-003H2020-09-03. Service bulletin. STEERING:COLUMN; ELECTRICAL SYSTEM; STEERING:ELECTRIC POWER ASSIST SYSTEM. Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this bulletin to replace the worm shaft assembly.
20-ST-001H-12020-09-03. Service bulletin. STEERING:COLUMN; ELECTRICAL SYSTEM; STEERING:AUTOMATED/ADAPTIVE STEERING:MOTOR/ACTUATOR. This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components.
20-01-022H-12020-07-08. Service bulletin. STRUCTURE:BODY:TAILGATE; ELECTRICAL SYSTEM; EQUIPMENT. Some 2019 - 2020 Nexo (FE), 2020 Palisade (LX2), and 2019 - 2020 Santa Fe (TM) vehicles equipped with the power tailgate may not operate. This bulletin provides the service procedure to inspect and when necessary perform the power tailgate spindle wire harness revision.
20-EE-003H2020-05-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides information on identifying dealer stock vehicles with either: • A Battery SOC alert - low Battery State of Charge (SOC) at or below 50%. • A 30 Day alert - vehicle has not started and reported an SOC in 30 days.
20-AT-002H2020-05-07. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This bulletin describes the procedure to update the Shift Control Unit (SCU) for Shift-by-Wire (SBW). The update is for MIL on and the following DTC: P106D00 (Actuator initialization error), P106D71 (Actuator motor stuck error) and U110382 (SBW lever Alive counter error).
20-EE-005H2020-04-07. Service bulletin. ELECTRICAL SYSTEM. Hyundai vehicles are equipped with Dark Current Control logic to help reduce amperage draw amount and conserve Battery State of Charge (SOC%). A selected Dark Current Control Mode will function when the vehicle is in the key off state, and will not affect vehicle functionality or performance.
20-EE-002H(1)2020-04-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin describes the mandatory procedure to submit battery test data electronically for battery warranty claims by running the GDS Battery Claim App. The App must be run right after an incident battery is removed from the vehicle or after a battery charge is completed which qualifies for a warranty. It must be run at any time between RO open and close dates.
20-BE-002H-12020-04-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Some Palisade (LX2) vehicles may intermittently experience the BCW Malfunction Indicator Light ON with a message Check Blind-Spot Collision Warning System displayed on the instrument cluster. This bulletin provides the service procedure to update the BCW system software to correct the intermittent BCW Malfunction Indicator Light.
Campaign T4H Dea2020-03-06. Service bulletin. ELECTRICAL SYSTEM. This service campaign provides the procedure to perform an AVN software update to a Palisade exhibiting the following condition: Unresponsive radio after multiple uses of voice recognition to perform navigational searches.
19-01-041H(1)2020-03-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. After using voice search to navigate to a location, the radio may not respond. Follow the procedure in this bulletin to update the navigation system.
20-BE-001H2020-02-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides guidelines to inspect the USB, head unit, and multi-box for common connection conditions. 2. This bulletin presents guidelines to inspect for common Android Auto and Apple CarPlay connection conditions. 3. This bulletin provides physical differences between the USB 2.0 port and USB 3.0 port.

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