What is Hyundai TSB 23-EE-010H about?

Hyundai TSB 23-EE-010H provides an updated and extended procedure for diagnosing battery-related issues using the GDS-M diagnostic tool. It covers various faults like internal short circuits, battery deterioration, and charging defects for 2021-2024 Hyundai models.

What kind of battery problems does this TSB help diagnose?

This TSB helps diagnose several battery problems, including 'Internal short circuit', 'Battery deterioration', 'Malfunction of electronic parts', 'Insufficient battery charge', and 'Charging defect'. It also identifies issues like 'Excessive dark current draw' (D01) and 'Insufficient battery charge condition identified' (D04).

What should I do if my Hyundai's battery is completely dead?

If your 12V battery is significantly discharged (dead), the TSB instructs technicians to first connect a jumper/booster box to allow the GDS test to be performed with the ignition ON. The jumper box must be removed before starting the vehicle for the 'battery charge performance' test.

Are there any specific fault codes related to battery communication issues?

Yes, the TSB mentions DTC B163600, which indicates a 'LIN Communication Error'. This occurs if communication between the battery sensor and the ICU (Integrated Central Control Unit) is defective.

Bollettino di servizio

2021-2024 Hyundai Battery Diagnosis TSB 23-EE-010H

Hyundai Technical Service Bulletin 23-EE-010H introduces an updated GDS-M battery diagnosis procedure for 2021-2024 models. This bulletin helps technicians identify and address various battery-related issues, including internal defects, deterioration, and charging problems.

David Chen2023 Hyundai TucsonApril 24, 2026

2023 Hyundai Tucson — manufacturer_communication document image 1 — Source: NHTSA manufacturer_communication 10243340

23-EE-010H22-EE-001HGDS-M Battery Diagnosis Function37110R0037110A0137110A00R01R02R03D01

Hyundai Elantra: 2021–2023
Hyundai Ioniq 5: 2022–2023
Hyundai Ioniq 6: 2023
Hyundai Kona: 2024
Hyundai Sonata: 2021–2023
Hyundai Tucson: 2022

Hyundai has released Technical Service Bulletin (TSB) 23-EE-010H, which provides an updated and extended battery diagnosis procedure using the GDS-M diagnostic tool. This bulletin supersedes previous TSB 22-EE-001H, aiming to improve the accuracy of diagnosing various battery-related faults in several 2021-2024 Hyundai models, including the Hyundai Tucson battery diagnosis.

This updated procedure helps technicians identify the root cause of battery problems more effectively, ensuring proper repairs and preventing unnecessary battery replacements. The GDS-M system utilizes battery sensor history and Integrated Central Control Unit (ICU) diagnostic communication to track the battery's state of charge (SOC) and parasitic draw history.

Symptoms

This TSB addresses various battery-related faults that owners might experience. These issues can manifest as:

Internal short circuit: A defect within the battery itself.
Battery deterioration: The battery's capacity has degraded over time.
Malfunction of electronic parts: Issues with vehicle electronic components affecting battery performance.
Insufficient battery charge: The battery does not hold enough charge, potentially leading to starting problems.
Charging defect: The vehicle's charging system is not properly recharging the battery.
Excessive dark current draw: Components drawing power when the vehicle is off.
Over use of electrical components: Excessive use of accessories while the engine is not running.
Lack of driving: Infrequent vehicle use leading to insufficient battery charge.

Fault Codes / DTCs

The GDS-M battery diagnosis function will display specific codes indicating the type of battery fault. These codes help technicians pinpoint the exact problem:

Code	Description
R01	Battery internal fault condition identified
R02	Battery deterioration condition identified
R03	Abnormal charging current detected, replace battery
D01	Excessive dark current draw condition identified
D02	Current draw from aftermarket electronic component(s) detected
D03	Over use of electrical components detected while the engine is not running
D04	Insufficient battery charge condition identified
D00	Good battery condition identified (Not warrantable)
B163600	LIN Communication Error (If LIN communication between battery sensor and ICU is defective, corresponding DTC occurs)

Important Warnings for Owners

Owners should be aware of specific conditions and instructions related to this battery diagnosis procedure:

Dead Battery Procedure: If the 12V battery is significantly discharged (dead), a jumper/booster box must be connected to enable the GDS test at ignition ON. It is crucial that the jumper/booster box is removed immediately after starting the vehicle, and before the technician selects OK to begin the

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Frequently Asked Questions

What is Hyundai TSB 23-EE-010H about?: Hyundai TSB 23-EE-010H provides an updated and extended procedure for diagnosing battery-related issues using the GDS-M diagnostic tool. It covers various faults like internal short circuits, battery deterioration, and charging defects for 2021-2024 Hyundai models.
What kind of battery problems does this TSB help diagnose?: This TSB helps diagnose several battery problems, including 'Internal short circuit', 'Battery deterioration', 'Malfunction of electronic parts', 'Insufficient battery charge', and 'Charging defect'. It also identifies issues like 'Excessive dark current draw' (D01) and 'Insufficient battery charge condition identified' (D04).
What should I do if my Hyundai's battery is completely dead?: If your 12V battery is significantly discharged (dead), the TSB instructs technicians to first connect a jumper/booster box to allow the GDS test to be performed with the ignition ON. The jumper box must be removed before starting the vehicle for the 'battery charge performance' test.
Are there any specific fault codes related to battery communication issues?: Yes, the TSB mentions DTC B163600, which indicates a 'LIN Communication Error'. This occurs if communication between the battery sensor and the ICU (Integrated Central Control Unit) is defective.

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