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2021 BMW 330i Parking Assistance System Failed TSB

BMW has issued a manufacturer communication (NHTSA ID 10184593) regarding a "PARKING ASSISTANCE SYSTEM FAILED" message and other check control messages appearing in 2021 BMW 330i, M340i, and 330e vehicles during parking maneuvers.

ByAhmet Topcu — Founder & Editor-in-ChiefAutomated summary2021 BMW 330i
2021 BMW 330i — BMW 330i parking assistance
Editorial illustration generated for this article.
BMW 330i parking assistancePARKING ASSISTANCE SYSTEM FAILEDParking Maneuvering Assistance (PMA) systemvarious check control messages (CCM)2021 BMW 330i2021 BMW M340i2021 BMW 330eNHTSA ID 10184593BMW TSBELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS
BMW 330e
2021
BMW M340i
2021

Symptoms of Parking Assistance System Failure

Owners of certain 2021 BMW models may experience a "PARKING ASSISTANCE SYSTEM FAILED" message displayed in the vehicle's check control messages (CCM) system. This issue specifically occurs when utilizing the Parking Maneuvering Assistance (PMA) system or during any parking maneuver. The appearance of these messages indicates a problem with the vehicle's parking assistance functionality.

Diagnosis and Trigger Conditions

The primary trigger for the "PARKING ASSISTANCE SYSTEM FAILED" message and other related check control messages is the active use of the Parking Maneuvering Assistance (PMA) system or general parking maneuvers. This suggests the fault is directly related to the sensors and software involved in these operations. If your BMW 330i parking assistance system is exhibiting these symptoms, it's likely occurring under these specific conditions.

Manufacturer Communication Details

This issue is addressed in a manufacturer communication, NHTSA ID 10184593. This document highlights the problem of the BMW 330i parking assistance system failing and displaying various check control messages. While the summary provided does not detail specific repair steps, it acknowledges the existence of the problem within the electrical system's ADAS parking assist sensors.

What Owners Should Do

If you own a 2021 BMW 330i, M340i, or 330e and are experiencing "PARKING ASSISTANCE SYSTEM FAILED" messages or other check control messages during parking, it is recommended to contact your authorized BMW dealership. They can diagnose the specific cause of the parking assistance system malfunction and perform any necessary repairs or software updates as outlined in the manufacturer's communication.


Source: NHTSA ID 10184593

What BMW 330i owners report

Counted from the records in our database across 16 model years.

818
Owner complaints
39
Recalls
863
Service bulletins
30
Crashes reported
38
Fires reported
36
Injuries reported

The 2021 model year

29 complaints, the 10th most of 16 model years on file. Owners reported 1 crash, 3 fires and 1 injury for this year, which also has 7 recalls on file.

Electrical System, the system this article covers, accounts for 132 of 818 complaints (16%), including 13 for 2021.

Complaints by model year

Model years with the most complaints for the BMW 330i
2001116
200245
200377
2004113
2006219
201742
201832
201941
202053
202129

Most-reported systems

  1. Air Bags — 246
  2. Exterior Lighting — 153
  3. Electrical System — 132
  4. Engine — 89
  5. Power Train — 44

Latest recalls for the 2021 model year

  • 26V056000 — Electrical System (Jan 2026)
  • 25V636000 — Electrical System (Sep 2025) — Park outside
  • 23V584000 — Electrical System (Aug 2023)
All 2021 recalls →

Recent owner reports about electrical system

The contact owned a 2021 BMW 330i. The contact received notification of NHTSA Campaign Number: 26V056000 (Electrical System); however, the part to do the recall repair was unavailable.

2021 BMW 330i owner, Apr 2026

I phoned BMW today for an update on this recall. After 6 months, Manufacturer still does not have a fix or repair for your recall 25V636000 and no solution date. This is completely unacceptable.

2021 BMW 330i owner, Apr 2026
Read owner complaints →

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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