Technical Service Bulletins For 2020 HYUNDAI SONATA

Here are the technical service bulletins we have for the 2020 HYUNDAI SONATA. If you have any questions, do not hesitate to Contact Us:

Technical Service Bulletins

Technical Service Bulletin #20-SS-001H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 020000 SUSPENSION

NHTSA #10172142

Date Of Bulletin

20200205

Failing Component Name

020000 SUSPENSION

Description

This bulletin describes the requirements for all wheel alignment and/or vehicle tracking claims and best practices when diagnosing and conducting alignment-related repairs for all models and model years.

Technical Service Bulletin #20-01-005H(1)

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM

NHTSA #10172145

Date Of Bulletin

20200211

Failing Component Name

110000 ELECTRICAL SYSTEM

Description

This bulletin provides information related to an Electronic Control Module (ECM) software update to revise the logic for DTC P0456: EVAP System Leakage Detected Very Small Leak.

Technical Service Bulletin #20-01-005H(1)

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING

NHTSA #10172145

Date Of Bulletin

20200211

Failing Component Name

060000 ENGINE AND ENGINE COOLING

Description

This bulletin provides information related to an Electronic Control Module (ECM) software update to revise the logic for DTC P0456: EVAP System Leakage Detected Very Small Leak.

Technical Service Bulletin #Campaign T4N Dea

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM

NHTSA #10172146

Date Of Bulletin

20200211

Failing Component Name

110000 ELECTRICAL SYSTEM

Description

This service campaign provides information related to an ECM software update to revise the logic for DTC P0456: EVAP System Leakage Detected Very Small Leak.

Technical Service Bulletin #Campaign T4N Dea

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING

NHTSA #10172146

Date Of Bulletin

20200211

Failing Component Name

060000 ENGINE AND ENGINE COOLING

Description

This service campaign provides information related to an ECM software update to revise the logic for DTC P0456: EVAP System Leakage Detected Very Small Leak.

Technical Service Bulletin #20-ST-001H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 010000 STEERING

NHTSA #10170896

Date Of Bulletin

20200103

Failing Component Name

010000 STEERING

Description

This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components.

Technical Service Bulletin #Campaign T4L Dea

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM

NHTSA #10170897

Date Of Bulletin

20200102

Failing Component Name

110000 ELECTRICAL SYSTEM

Description

On certain Sonata (DN8) vehicles equipped with smart user features, the registered Hyundai app and the digital key card may not open the doors or start the vehicle when using these features.

Technical Service Bulletin #20-AT-001H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 100000 POWER TRAIN

NHTSA #10170899

Date Of Bulletin

20200102

Failing Component Name

100000 POWER TRAIN

Description

This TSB provides a procedure to diagnose and repair a transaxle for the following Incorrect Ratio DTC (transaxle clutch slipping more than 200 rpm in gear).

Technical Service Bulletin #20-BE-001H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM

NHTSA #10170883

Date Of Bulletin

20200116

Failing Component Name

110000 ELECTRICAL SYSTEM

Description

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 bullet

Technical Service Bulletin #20-AT-005H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING

NHTSA #10170886

Date Of Bulletin

20200127

Failing Component Name

060000 ENGINE AND ENGINE COOLING

Description

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 oil pressure harness.

Technical Service Bulletin #20-AT-004H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING

NHTSA #10170887

Date Of Bulletin

20200127

Failing Component Name

060000 ENGINE AND ENGINE COOLING

Description

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 oil pressure harness with integrated oil temperature sensor.

Technical Service Bulletin #20-AT-003H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING

NHTSA #10170889

Date Of Bulletin

20200127

Failing Component Name

060000 ENGINE AND ENGINE COOLING

Description

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 input/output speed sensor and oil pressure harness.

Technical Service Bulletin #20-BD-007H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE

NHTSA #10173546

Date Of Bulletin

20200323

Failing Component Name

356000 EQUIPMENT ADAPTIVE

Description

This bulletin describes the general guidelines to disinfect and protect vehicle interior surfaces using certain safe chemical products.

Technical Service Bulletin #20-EE-005H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM

NHTSA #10173553

Date Of Bulletin

20200331

Failing Component Name

110000 ELECTRICAL SYSTEM

Description

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

Technical Service Bulletin #20-BD-005H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 170000 LATCHES/LOCKS/LINKAGES

NHTSA #10173544

Date Of Bulletin

20200317

Failing Component Name

170000 LATCHES/LOCKS/LINKAGES

Description

This bulletin describes the procedure to repair an inside door handle exhibiting noise when opening the door.

Technical Service Bulletin #19-GI-008H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 350000 EQUIPMENT

NHTSA #10169372

Date Of Bulletin

20191107

Failing Component Name

350000 EQUIPMENT

Description

This bulletin provides information on the Launch Quality Monitoring Process (LQMP) for the 2020MY Hyundai Sonata. After a new vehicle launch, Hyundai uses the LQMP to monitor all customer and dealer activities at a minimum of 100 days. The

Technical Service Bulletin #20-EE-002H(1)

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM

NHTSA #10173545

Date Of Bulletin

20200318

Failing Component Name

110000 ELECTRICAL SYSTEM

Description

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

Technical Service Bulletin #19-01-042H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 350000 EQUIPMENT

NHTSA #10170512

Date Of Bulletin

20191217

Failing Component Name

350000 EQUIPMENT

Description

This bulletin provides information and procedures for collecting OBD ?In Use Monitor Performance Ratio? (IUMPR) data on certain 2019-2020MY vehicles at California dealers. This reporting is mandated by CARB (California Air Resources Board).

Technical Service Bulletin #19-01-043H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 030000 BRAKES (PWS)

NHTSA #10170513

Date Of Bulletin

20191220

Failing Component Name

030000 BRAKES (PWS)

Description

This bulletin describes the procedure to inspect, and if necessary re-route the main harness adjacent to the brake booster of certain 2020MY Sonata (DN8) vehicles.

Technical Service Bulletin #Campaign T4J Dea

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 030000 BRAKES (PWS)

NHTSA #10170514

Date Of Bulletin

20191220

Failing Component Name

030000 BRAKES (PWS)

Description

Hyundai is conducting a Service Campaign to inspect, and if necessary, re-route the main harness adjacent to the brake booster of certain 2020MY Sonata (DN8) vehicles.

Technical Service Bulletin #20-01-001H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL

NHTSA #10170900

Date Of Bulletin

20200102

Failing Component Name

353000 EQUIPMENT:ELECTRICAL

Description

This bulletin describes the procedure to identify and retrieve the Unique Identification Numbers (UID) from the 20MY Sonata's Identity Authentication Unit (IAU) to enable Hyundai Digital Key.

Technical Service Bulletin #20-AT-006H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 060000 ENGINE (PWS)

NHTSA #10172211

Date Of Bulletin

20200212

Failing Component Name

060000 ENGINE (PWS)

Description

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.

Technical Service Bulletin #20-AT-006H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 100000 POWER TRAIN

NHTSA #10172211

Date Of Bulletin

20200212

Failing Component Name

100000 POWER TRAIN

Description

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.

Technical Service Bulletin #20-AT-016H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE

NHTSA #10174807

Date Of Bulletin

20200417

Failing Component Name

356000 EQUIPMENT ADAPTIVE

Description

The automatic transmission warranty repair policy authorizes in-dealership repairs of the following components for both OEM (new) and remanufactured automatic transmissions:

Technical Service Bulletin #20-AT-016H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA #10174807

Date Of Bulletin

20200417

Failing Component Name

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

Description

The automatic transmission warranty repair policy authorizes in-dealership repairs of the following components for both OEM (new) and remanufactured automatic transmissions:

Technical Service Bulletin #20-AT-016H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 100000 POWER TRAIN

NHTSA #10174807

Date Of Bulletin

20200417

Failing Component Name

100000 POWER TRAIN

Description

The automatic transmission warranty repair policy authorizes in-dealership repairs of the following components for both OEM (new) and remanufactured automatic transmissions:

Technical Service Bulletin #20-DS-001H(1)

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE

NHTSA #10174802

Date Of Bulletin

20200409

Failing Component Name

356000 EQUIPMENT ADAPTIVE

Description

Certain 2020MY Sonata (DN8) vehicles may exhibit a grease leak coming from the right side, inner CV axle boot area. This bulletin describes the procedure to replace the right side CV axle boot on the differential side (inner) on certain 202

Technical Service Bulletin #20-DS-001H(1)

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 354000 EQUIPMENT:MECHANICAL

NHTSA #10174802

Date Of Bulletin

20200409

Failing Component Name

354000 EQUIPMENT:MECHANICAL

Description

Certain 2020MY Sonata (DN8) vehicles may exhibit a grease leak coming from the right side, inner CV axle boot area. This bulletin describes the procedure to replace the right side CV axle boot on the differential side (inner) on certain 202

Technical Service Bulletin #20-DS-001H(1)

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 100000 POWER TRAIN

NHTSA #10174802

Date Of Bulletin

20200409

Failing Component Name

100000 POWER TRAIN

Description

Certain 2020MY Sonata (DN8) vehicles may exhibit a grease leak coming from the right side, inner CV axle boot area. This bulletin describes the procedure to replace the right side CV axle boot on the differential side (inner) on certain 202

Technical Service Bulletin #20-BD-013H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 130000 VISIBILITY

NHTSA #10174805

Date Of Bulletin

20200413

Failing Component Name

130000 VISIBILITY

Description

This bulletin describes the procedure to diagnose and repair a window exhibiting noise while lowering and raising.

Technical Service Bulletin #20-AT-019H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 100000 POWER TRAIN

NHTSA #10176196

Date Of Bulletin

20200521

Failing Component Name

100000 POWER TRAIN

Description

If you are servicing any of the vehicles listed below with a harsh and/or delayed shift, use the GDS as shown in the Service Procedure to measure shift engagement time.

Technical Service Bulletin #20-FL-004H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 100000 POWER TRAIN

NHTSA #10176198

Date Of Bulletin

20200529

Failing Component Name

100000 POWER TRAIN

Description

This bulletin describes the Idle Stop and Go (ISG) system operation, diagnostic and battery sensor recalibration procedure. Refer to applicable Shop Manual and Owner⿿s Manual for additional information.

Technical Service Bulletin #20-FL-004H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING

NHTSA #10176198

Date Of Bulletin

20200529

Failing Component Name

060000 ENGINE AND ENGINE COOLING

Description

This bulletin describes the Idle Stop and Go (ISG) system operation, diagnostic and battery sensor recalibration procedure. Refer to applicable Shop Manual and Owner⿿s Manual for additional information.

Technical Service Bulletin #20-FL-004H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 030000 SERVICE BRAKES, HYDRAULIC

NHTSA #10176198

Date Of Bulletin

20200529

Failing Component Name

030000 SERVICE BRAKES, HYDRAULIC

Description

This bulletin describes the Idle Stop and Go (ISG) system operation, diagnostic and battery sensor recalibration procedure. Refer to applicable Shop Manual and Owner⿿s Manual for additional information.

Technical Service Bulletin #20-SS-002H(1)

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 200000 WHEELS

NHTSA #10176182

Date Of Bulletin

20200506

Failing Component Name

200000 WHEELS

Description

This bulletin provides information on tire maintenance best practices and procedures for dealers and customers to maximize tire life and performance.

Technical Service Bulletin #20-SS-002H(1)

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 190000 TIRES

NHTSA #10176182

Date Of Bulletin

20200506

Failing Component Name

190000 TIRES

Description

This bulletin provides information on tire maintenance best practices and procedures for dealers and customers to maximize tire life and performance.

Technical Service Bulletin #20-EE-003H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 350000 EQUIPMENT

NHTSA #10174808

Date Of Bulletin

20200423

Failing Component Name

350000 EQUIPMENT

Description

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.

Technical Service Bulletin #20-EE-003H

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM

NHTSA #10174808

Date Of Bulletin

20200423

Failing Component Name

110000 ELECTRICAL SYSTEM

Description

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.

Technical Service Bulletin #20-BD-007H-1

This 2020 HYUNDAI SONATA Technical Service Bulletin affects the 350000 EQUIPMENT

NHTSA #10176178

Date Of Bulletin

20200501

Failing Component Name

350000 EQUIPMENT

Description

This bulletin describes the general guidelines to help disinfect and protect vehicle exterior/interior surfaces using recommended safe chemical products.

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