First off, a little background information: I have a 2013 Ford C-max SE and have had three dead battery events. They have always occurred when the car sat overnight. We make a point of making sure that nothing is left on or plugged in. We even make sure the keys are taken out of the ignition swit If the vehicle battery is replaced, carry out the Battery Monitoring System Reset using the scan tool. If the Battery Monitoring System Reset is not carried out, measurement data collected for the old battery is not deleted and future state of charge measurements will be inaccurate. For example, if an old battery has a state of charge of 60% There was a problem with water ingress in the glow plug relay that is fitted very low down in the front bumper. This causes a battery drain. Ford are aware of this fault. Andy. www.trimwizard.co.uk. 54 C-Max 1.6 109 TDCI LX. 57 VW Caddy Van 1.9 TDI. Save. House wiring/circuit/outlet is bad or failing. Something going on with the onboard charger in the vehicle. EVSE/Charge cord itself going bad. If you have the option, also try a public charger or another 120V EVSE if you know anyone else with an EV/PHEV you can borrow and see what happens with those. 2. Call us at 8174207990 and let our experts find the right battery for your 2015 Ford C-Max. The larger the battery the larger the Amp Hour rating of your battery, meaning it will provide more amps of electrical current per hour. The most directly correlated aspect of a battery's price is its size. Get 2015 Ford C-Max battery cost, size If you decide on one or the other C-Max, the first thing I would suggest is to change trans fluid if it hasn't been done before. A lot of owners of the Ford C-Max have had issues with the 12v battery. It seems to cause a different effect when it fails for every single owner, making it hard to pinpoint. Problems mentioning the Battery on the Ford C-MAX. 2. responses. Central Locking. My 2005 Ranger central locking has developed a fault where it continually locks and unlocks itself causing the alarm to activate.As I need the vehicle for the next couple of days until I can access a 2005 ranger. It is a 2013 Ford C-Max Energi. Is there a battery for the fob? I can't see where you can open it. Mechanic's Assistant: Have you double-checked to make sure the positive and negative signs are lined up correctly? What positive and negative signs? On the car or on the key fob? Mechanic's Assistant: What is the model of your '13 Ford? CMax Energi If your battery does not have this function, you should keep on reading to see in what other way you can check its status. B. How to use a multimeter to check the status of your C-Max‘s battery. Get the car ready: To check the voltage of the battery, the engine of your C-Maxmust always be turned off. If the engine is on, you should turn it The message "System turning off to save battery" is generally an indication that the battery is low however, you should be able to jump start the vehicle. But, if the key fob is not working due to a dead battery the vehicle likely wouldn't start. Wade. 2013 Escape SEL - 4WD - 2.0 l - Tuxedo Black - Panoramic Sunroof - Build Date May 2013. 56Lgd.