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Electrical systemPart report

2015 Ford C-MAX Energi Electrical system Problems

Complaints
4about this part
Share
27%of 15 total for the year
Median mileage
19,450miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the electrical system of the 2015 Ford C-MAX Energi, 27% of the 15 complaints for this model year. Where a mileage was given, the median is 19,450 miles. 1 of these say a crash was involved, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“1. Rear windows open 6 to 8 inches upon returning to car from store- happened 4 times. (sitting in parking lots) 2. Car on overnight in garage. Garage has the gas furnace and heater 3. Does not steer when you want it to./ just takes off on its own/ caused wreck. Slow left turn. Went all by itself into the sidewalk. 4. Does not turn off or on when told to do so/ moves after parked, even if fully belted in 5. The sync does not work and navigation got me lost twice in la 6. Humming noises and vibration below my feet at speed (65 to 70)”

NHTSA complaint #10836817, filed 2016-02, 6,000 miles

“For the 5th time my vehicle has died due to a voltage draw on the 12v battery. The vehicle has been to the Ford service center 5 times the most recent for 3 weeks and it still fails due to a power issue. The vehicle is unreliable due to frequent electrical system failures. The electrical system failures started on 2/2/2017, and continued through 3/12/2017, 3/22/2017, 4/3/2017 and 4/26/2017”

NHTSA complaint #10980962, filed 2017-04, 18,899 miles

“The contact owns a 2015 Ford C-Max Energi. The contact stated that the manufacturer label indicated that the vehicle was drivable for 22 miles when fully charged; however, the vehicle was only drivable for approximately 14 miles. Additionally, the contact stated that occasionally, the vehicle was only drivable for 8 miles. The dealer was notified of the failure and advised the contact that the failure was related to the tires. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure and a case was opened. The manufacturer referred the contact to the NHTSA. …”

NHTSA complaint #11469819, filed 2022-06, 20,000 miles

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2017220%
20161341%
2015427%
20141653%
20131938%

Other parts of the 2015 Ford C-MAX Energi

Back-over prevention (rear camera)
5 complaintsSteering
3 complaintsAir bags
1 complaintsBrakes
1 complaintsEngine
1 complaintsLatches, locks and linkages
1 complaintsOther or unknown
1 complaintsBody and structure
1 complaintsTransmission and drivetrain
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints

← All problems reported for the 2015 Ford C-MAX Energi

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology