2021-2022 Tesla Model Y Braking & Stability Alerts
Some 2021-2022 Tesla Model Y vehicles may display "braking and stability control related alerts" on the instrument cluster and touchscreen during power-on. This issue stems from a missing hydraulic control unit (HCU) wake-up wire. A vehicle power cycle can typically restore functionality.
También aplica a
- Tesla Model Y
- 2021
Some 2021-2022 Tesla Model Y vehicles may experience unexpected warnings related to their braking and stability control systems. This issue, documented in NHTSA Manufacturer Communication 10235002, points to a specific manufacturing detail that can trigger these alerts.
Symptoms
Owners of affected 2021-2022 Tesla Model Y vehicles may observe "braking and stability control related alerts" appearing on both the instrument cluster and the touchscreen. These warnings typically manifest during the vehicle's power-on sequence.
Diagnosis / Trigger Conditions
The root cause of these alerts is attributed to some Model Y vehicles being built without a crucial "hydraulic control unit (HCU) wake-up wire". This missing wire can lead to the system not initializing correctly, resulting in the display of error messages. The issue specifically occurs during the vehicle power-on process.
Temporary Correction
According to the manufacturer communication, if you encounter these "braking and stability control related alerts" in your 2022 TESLA Model Y manufacturer_communication, the affected functionality can often be restored by performing a vehicle power cycle. This suggests that while the underlying wiring issue exists, a simple restart can temporarily clear the fault and regain normal operation.
Owner Action
If your 2021-2022 Tesla Model Y displays "braking and stability control related alerts" during startup, first attempt a vehicle power cycle. If the issue persists or recurs frequently, it is recommended to contact Tesla service for further diagnosis and a potential permanent resolution related to the missing hydraulic control unit (HCU) wake-up wire.
Source: NHTSA ID 10235002
Frequently Asked Questions
- What are the common symptoms of this Tesla Model Y issue?
- Owners may see "braking and stability control related alerts" displayed on their instrument cluster and touchscreen, particularly when the vehicle is powering on.
- What causes the braking and stability control alerts in some 2021-2022 Tesla Model Y vehicles?
- The alerts are caused by some Model Y vehicles being manufactured without a hydraulic control unit (HCU) wake-up wire, which can lead to system initialization errors.
- How can I temporarily fix the 'braking and stability control related alerts' on my Tesla Model Y?
- According to NHTSA Manufacturer Communication 10235002, these faults can typically be corrected and functionality restored by performing a vehicle power cycle.
- Does the 2022 TESLA Model Y manufacturer_communication indicate a permanent repair for the missing HCU wake-up wire?
- The communication primarily describes a temporary correction via a vehicle power cycle. For a permanent fix addressing the missing hydraulic control unit (HCU) wake-up wire, owners should contact Tesla service directly.
What Tesla Model Y owners report
Counted from the records in our database across 7 model years.
- 4,325
- Owner complaints
- 43
- Recalls
- 146
- Service bulletins
- 588
- Crashes reported
- 26
- Fires reported
- 403
- Injuries reported
The 2022 model year
874 complaints, the 3rd most of 7 model years on file. Owners reported 91 crashes, 8 fires and 152 injuries for this year, which also has 20 recalls on file.
Power Train and Electronic Stability Control, the system this article covers, accounts for 102 of 4,325 complaints (2%), including 17 for 2022.
Complaints by model year
| 2020 | 283 | |
|---|---|---|
| 2021 | 1,096 | |
| 2022 | 874 | |
| 2023 | 1,194 | |
| 2024 | 335 | |
| 2025 | 109 | |
| 2026 | 434 |
Most-reported systems
- Forward Collision Avoidance — 1,975
- Vehicle Speed Control — 589
- Service Brakes — 576
- Electrical System — 571
- Steering — 490
Latest recalls for the 2022 model year
- 26V507000 — Exterior Lighting (Aug 2026)
- 26V283000 — Back Over Prevention (May 2026)
- 24V935000 — Tires (Dec 2024)
Recent owner reports about power train and electronic stability control
Tesla manual States that to shift from drive to reverse all you have to do is press the stop all the way up. However while driving if you had used autopilot which is the adas system and disengaged it without hitting the brakes then the car will refuse to go…
Read owner complaints →The contact owns a 2022 Tesla Model Y. The contact stated that while stopped at a red light and attempting to accelerate, the vehicle failed to accelerate as intended and jerked.
Complaints are owner reports filed with NHTSA. They are unverified, and counts depend on how many vehicles were sold, so they are not a failure rate.
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