Service Bulletin

2023 Tesla Model 3/Y HV Battery Range Reduction

Owners of certain 2023 Tesla Model 3 and Model Y vehicles might notice a reduction in their vehicle's driving range. This issue stems from a manufacturing defect in the High Voltage (HV) battery's wire bonds, potentially requiring battery replacement.

ByAhmet Topcu — Founder & Editor-in-Chief2023 Tesla Model 3
2023 TESLA Model 3 — Tesla Model 3 range reduction
Editorial illustration generated for this article.
Tesla Model 3 range reductionTesla Model Y range reductionHV battery replacement TeslaTesla wire bonds issueTesla battery degradationNHTSA ID 102340542023 Tesla Model 3 electrical system2023 Tesla Model Y electrical systemTesla Model 3 battery defectTesla Model Y battery defect
Tesla Model Y
2023

Symptoms

Owners of certain 2023 Tesla Model 3 and Model Y vehicles may observe a noticeable reduction in their vehicle's driving range. This means the car cannot travel as far on a full charge as expected or as it previously could. The primary symptom is a diminished capacity of the High Voltage (HV) battery.

Diagnosis / Trigger Conditions

The root cause of the reduced range in affected vehicles is a manufacturing defect within the HV battery itself. Specifically, the wire bonds inside the HV battery may not have been constructed according to Tesla's internal specifications. This internal defect directly impacts the battery's overall performance and capacity, leading to the observed Tesla Model 3 range reduction.

Repair Procedure Summary

For vehicles identified with this issue, the manufacturer's recommended remedy is the replacement of the affected High Voltage (HV) battery. This ensures that the vehicle receives a battery unit that meets all internal specifications, restoring the expected driving range and performance. Owners experiencing a Tesla Model 3 range reduction should contact Tesla service to have their vehicle inspected.

What Owners Should Know

This issue, documented under NHTSA ID 10234054, specifically affects certain 2023 Tesla Model 3 and Model Y vehicles. If you own one of these models and have noticed a significant Tesla Model 3 range reduction, it is advisable to schedule a service appointment with Tesla. The manufacturer will assess the HV battery and perform a replacement if the wire bond manufacturing defect is confirmed.


NHTSA Source: Manufacturer Communication NHTSA ID 10234054

Frequently Asked Questions

What is causing the range reduction in my 2023 Tesla Model 3?
The reduced driving range in your 2023 Tesla Model 3 is likely due to a manufacturing defect in the High Voltage (HV) battery. The wire bonds within the battery may not meet Tesla's internal specifications, affecting its capacity.
Which Tesla models are affected by this HV battery issue?
This issue primarily affects certain 2023 Tesla Model 3 and Model Y vehicles, as detailed in manufacturer communication NHTSA ID 10234054.
What is the fix for the Tesla Model 3 range reduction problem?
The recommended fix for the reduced range caused by this HV battery defect is the replacement of the entire High Voltage (HV) battery unit.
How can I get my Tesla Model 3's battery checked or replaced?
If you are experiencing a significant Tesla Model 3 range reduction, you should contact Tesla service directly to schedule an inspection and potential HV battery replacement.

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