What causes a Porsche Cayenne Battery to go flat?
On the Porsche Cayenne, a flat battery can cause a multitude of electrical glitches, Check Engine Lights (CELs) and slow starter operation. I’ve also noticed that a persistent PSM Failure message on the dash may also a symptom of a dying battery.
What causes a Porsche Cayenne to start slow?
The electrical system on the Porsche Cayenne is rather complex and can cause a variety of problems when a battery has a low charge. On the Porsche Cayenne, a flat battery can cause a multitude of electrical glitches, Check Engine Lights (CELs) and slow starter operation.
How old is the battery on a Porsche Cayenne?
Check the freshness date on the battery that you are purchasing and avoid any batteries that are more than six months old. Note that after you disconnect your battery, the DME computer will lose some of its history memory used for adapting the fuel injection system.
When to hook up power supply to Porsche Cayenne?
Keep in mind that Porsche recommends hooking up a vehicle power supply (and NOT a battery charger) to the car if you will be working on the vehicle for more than 15 minutes for procedures such as: using a diagnostic scanner, adjusting the headlights and any time the doors, hood and rear hatch will be open for an extended period of time.
On the Porsche Cayenne, a flat battery can cause a multitude of electrical glitches, Check Engine Lights (CELs) and slow starter operation. I’ve also noticed that a persistent PSM Failure message on the dash may also a symptom of a dying battery.
The electrical system on the Porsche Cayenne is rather complex and can cause a variety of problems when a battery has a low charge. On the Porsche Cayenne, a flat battery can cause a multitude of electrical glitches, Check Engine Lights (CELs) and slow starter operation.
Check the freshness date on the battery that you are purchasing and avoid any batteries that are more than six months old. Note that after you disconnect your battery, the DME computer will lose some of its history memory used for adapting the fuel injection system.
Keep in mind that Porsche recommends hooking up a vehicle power supply (and NOT a battery charger) to the car if you will be working on the vehicle for more than 15 minutes for procedures such as: using a diagnostic scanner, adjusting the headlights and any time the doors, hood and rear hatch will be open for an extended period of time.