2021-2022 Tesla Model 3 Braking and Stability Control Alerts
Some 2021-2022 Tesla Model 3 vehicles equipped with a heat pump may display "braking and stability control related alerts" on the instrument cluster and touchscreen. This issue, identified by NHTSA ID 10234999, is linked to a missing hydraulic control unit (HCU) wake-up wire and can often be…
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- Tesla Model 3
- 2022
Owners of certain 2021-2022 Tesla Model 3 vehicles equipped with a heat pump may encounter unexpected "braking and stability control related alerts" appearing on their instrument cluster and touchscreen. This issue, documented under NHTSA ID 10234999, indicates a potential problem with the vehicle's braking and stability systems. These Tesla Model 3 braking alerts can be concerning, but a temporary solution is available.
Symptoms
Owners may observe the following symptoms:
- "Braking and stability control related alerts" displayed on the vehicle's instrument cluster.
- "Braking and stability control related alerts" appearing on the touchscreen.
- These alerts typically occur during the vehicle power-on process.
Diagnosis / Trigger Conditions
The root cause of these Tesla Model 3 braking alerts is identified as some Heat Pump Model 3 vehicles being built without a hydraulic control unit (HCU) wake-up wire. This omission can, in rare circumstances, lead to the braking and stability control systems not initializing correctly when the vehicle powers on.
Important Warnings
If you experience these alerts, it's important to know that the manufacturer communication states that such faults can typically be corrected and the affected functionality restored with a vehicle power cycle. This suggests a temporary fix that owners can perform.
Repair Procedure Summary
While a permanent fix for the missing HCU wake-up wire is implied to be necessary, the immediate, temporary solution for these alerts is to perform a vehicle power cycle. This action can often clear the "braking and stability control related alerts" and restore normal braking and stability control functionality. For a permanent resolution, it is recommended to contact Tesla service.
Owner Action
If your 2021-2022 Tesla Model 3 displays "braking and stability control related alerts", first attempt a vehicle power cycle to see if the functionality is restored. If the issue persists or recurs, it is advisable to contact Tesla service to schedule an inspection and potential repair related to the missing HCU wake-up wire, referencing manufacturer communication NHTSA ID 10234999.
Source: NHTSA ID 10234999
Frequently Asked Questions
- What causes the 'braking and stability control related alerts' in my Tesla Model 3?
- These alerts in certain 2021-2022 Tesla Model 3 vehicles are caused by a missing hydraulic control unit (HCU) wake-up wire, which can prevent the braking and stability systems from initializing correctly during vehicle power-on.
- How can I temporarily fix the Tesla Model 3 braking alerts?
- You can typically resolve the 'braking and stability control related alerts' by performing a vehicle power cycle. This action often restores the affected functionality.
- Which Tesla Model 3 vehicles are affected by this issue?
- This issue primarily affects some 2021-2022 Tesla Model 3 vehicles equipped with a heat pump, as detailed in NHTSA ID 10234999.
- Should I be concerned about the 'braking and stability control related alerts'?
- While the alerts can be temporarily cleared with a power cycle, they indicate an underlying hardware issue (missing HCU wake-up wire). It's recommended to contact Tesla service for a permanent solution to ensure long-term safety and functionality.
What Tesla Model 3 owners report
Counted from the records in our database across 10 model years.
- 4,387
- Owner complaints
- 36
- Recalls
- 249
- Service bulletins
- 459
- Crashes reported
- 22
- Fires reported
- 256
- Injuries reported
The 2021 model year
674 complaints, the 3rd most of 10 model years on file. Owners reported 46 crashes, 5 fires and 19 injuries for this year, which also has 22 recalls on file.
Fuel System and Gasoline and Electronic Stability Control and Power Train, the system this article covers, accounts for 93 of 4,387 complaints (2%), including 17 for 2021.
Complaints by model year
| 2017 | 27 | |
|---|---|---|
| 2018 | 1,036 | |
| 2019 | 620 | |
| 2020 | 453 | |
| 2021 | 674 | |
| 2022 | 773 | |
| 2023 | 429 | |
| 2024 | 222 | |
| 2025 | 123 | |
| 2026 | 30 |
Most-reported systems
- Forward Collision Avoidance — 1,751
- Vehicle Speed Control — 635
- Service Brakes — 571
- Electrical System — 566
- Steering — 414
Latest recalls for the 2021 model year
- 26V507000 — Exterior Lighting (Aug 2026)
- 26V283000 — Back Over Prevention (May 2026)
- 24V935000 — Tires (Dec 2024)
Recent owner reports about fuel system and gasoline and electronic stability control and power train
My RWD motor completely went out and lost power on the highway off ramp. Could have turned into a dangerous situation. Not sure why these motors seem to be very unreliable. Tesla has not given me an explanation as to what is exactly causing this.
Read owner complaints →HVAC system which provides cooling/heating for all the systems including the powertrain, battery, inverters, Full-Self Driving computer malfunctions randomly shutting itself off due to a known issue of failing pressure and temperature sensors.
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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