Five problems related to electrical system have been reported for the 2009 Ford Mustang. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 Ford Mustang based on all problems reported for the 2009 Mustang.
When it rains, water is leaking under the windshield into the duct work and onto the passenger side floor. Heavy rains have caused as much as 5 inches of water to lay on passenger floor. This problem has caused the Smart junction box to malfunction and car is not drivable. I now have to purchase a new box and have it programmed, which is very expensive. I have read articles about this happening to other 2009 Mustangs. Ford has no recall on this issue. Not only is it expensive to fix, it also is a safety concern because it can cause an electrical fire to ignite within the car. This issue happens when the car is in motion and stationary.
Takata recall my 2009 Mustang has a defective passenger seat occupancy sensor. When no one is seated the airbag flashes code 16. When I fasten the belt on that side still unoccupied, the fault code stops, but the center dash lights up indicating passenger airbag is off. My research shows the problem is not unique to my car, and that it has and is an ongoing issue with many cars not just Ford. This vehicle is on the takata recall for drivers airbag replacement since March of 2015. As yet Ford does not have replacement parts. I believe the passenger seat cushion assembly which includes the bladder, sensor, and ecm should also be recalled. I live in hawaii (high humidity) and research has shown this to be the root cause of the failures. At this point the vehicle is completely unsafe for the driver and passenger in the event of an accident, the drivers airbag has the potential to cause serious injury or death, and the passenger airbag may or may not deploy or effectively prevent injury or death. Please respond with any direction.
The complaint filed by phone on 9/15/21 id #10763956 included important facts that are not showing on your web page. The damage to the electronic module was caused by the water leak as referenced in Ford's TSB 08-26-7 and I also filed complaint with Ford consumer relation since they offered no relief. I was unaware of this issue and consequence but, I'm now finding it's nothing new for owners as well as the auto industry that this is a problem with Mustangs '05-'09 and the resulting damage to the generic electronic module happens often.
Tl-the contact owns a 2009 Ford Mustang . The contact stated that while in park, the contact noticed water dripping from the front passenger's side glove box. In addition, the head lamps, interior lights, left turn signal and hazard lights illuminated independently. The vehicle was taken to an independent mechanic who diagnosed that generic electronic module needed to be replaced. The vehicle was not repaired due to parts being unavailable. The manufacturer was not notified do the failure. The failure mileage was 40,000. Oo.
The check engine light. My vehicle (which I purchased new in June 2010) has been to the Ford dealer seven time in an attempt to repair an on-going problem with the check engine light. The Ford techs have determined that there is a problem with the fuel recovery system however they are unable to repair. I have not driven my vehicle since I picked it up the end of Jan. 2011 and the check engine light came on 100 miles from the dealership. I have determined that there is either a problem with the fuel recovery system as the Ford techs. Say the light indicates or there is a electrical problem with the indicator light. Either or of which could cause a fire in my vehicle. I'm a fire investigator and it has been my experience that most accidental vehicle fires are caused by fuel or electrical problems.
| Electrical System problems | |
| Horn Assembly problems | |
| Wiring problems |