Component
ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:MANAGEMENT SYSTEM/ENERGY CONTROL MODULE (BMS/BECM)
10 NHTSA complaints about electrical system:propulsion system:traction battery:management system/energy control module (bms/becm) issues across 3 makes and 6 models.
Data updated August 2026. Counts render from the NHTSA Office of Defects Investigation standardized component field; severity flags cross-reference NHTSA ODI complaint flags for owner-reported crash, fire, and injury markers. This page is for informational purposes and does not replace NHTSA recall notices or a vehicle-specific inspection. Methodology · Corrections.
NHTSA ODI component intake brief
ODI category ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:MANAGEMENT SYSTEM/ENERGY CONTROL MODULE (BMS/BECM)
10 filings · 6 models · 3 makes · vintage August 2026
- FILINGS SPARSE 10 ODI rows
- MODELS 6 nameplates citing this part
- MAKES 3 manufacturers in corpus
- CRASH 10.0% 1 crash-flagged
- RANK #456 of 696 categories
- SEV QUIET 0 deaths · 1 injuries
Filing-volume peers
ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:MANAGEMENT SYSTEM/ENERGY CONTROL MODULE (BMS/BECM) sits SPARSE on ODI intake volume (#456 of 696 standardized categories) with a QUIET severity stamp (0 reported fatalities across 6 models). Open Chevrolet Volt (category leader) →
ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:MANAGEMENT SYSTEM/ENERGY CONTROL MODULE (BMS/BECM) severity reading
The standout signal for electrical system:propulsion system:traction battery:management system/energy control module (bms/becm) is severity: 0 reported fatalities and 1 injuries (QUIET stamp) on 10 filings (SPARSE volume).
Sparse categories can swing on a single high-volume nameplate; treat the leader row as the actionable signal, not the category headline alone.
Next step: compare Chevrolet Volt against COMMUNICATION: AUTO CRASH NOTIFICATION on filing totals before treating electrical system:propulsion system:traction battery:management system/energy control module (bms/becm) volume as a purchase signal.
Most Affected Vehicles
| # | Vehicle | Complaints |
|---|---|---|
| 1 | Chevrolet Volt | |
| 2 | Ford Fusion Energi | |
| 3 | KIA Optima Hybrid | |
| 4 | KIA Optima | |
| 5 | Ford Mustang Mach E | |
| 6 | Ford Explorer |
Recent Complaints
The contact owns a 2016 Chevrolet Volt. The contact stated that while operating vehicle the "Propulsion Error” was displayed, and the message "Shift to Park" was displayed while driving. Additionally,
The contact owns a 2017 Chevrolet Volt. The contact stated while the vehicle was parked, the vehicle stalled; the contact stated that the vehicle was jumpstarted and the vehicle to returned to normal
The contact owns a 2017 Chevrolet Volt. The contact stated while driving at approximately 35 MPH, the “Propulsion Power Reduced” message in the driver information center was illuminated. The contact s
See attached document for complaint
See attached document for complaint
The contact owns a 2015 Kia Optima. The contact stated that while driving approximately 75 MPH, the vehicle lost power and the check engine light was illuminated. The vehicle was parked at the residen
The contact owns a 2017 Chevrolet Volt. The contact stated that while driving approximately 40 mph, another unknown vehicle crashed into his vehicle which went airborne and over the median. There wer
The contact owns a 2014 Kia Optima Hybrid. The contact stated while driving 40 MPH, the vehicle lost motive power with a battery management system (BMS) message displayed. The contact desperately depr
At around 600 miles my vehicle displayed "high voltage battery warning" and "powertrain malfunction" dashboard warning lights. Each light had an associated description that indicated the vehicle's pow
I am associated with the City of Brookings, SD Police Dept. We have two 2020 Ford Hybrid SUV patrol vehicles. Both vehicles since we obtained them in October of 2020 have experienced loss of power. Bo
Related Vehicle Components
Verify with NHTSA · consumer-reported counts are not verified defect findings.