F150 charging system service now won t start. 7 supercab F150 and it is good until a few months ago.

F150 charging system service now won t start. No message is showing in the app and the local dealer said there is nothing showing on their computer when I had it in last week. Aug 18, 2024 · Based on actual power drainage measurements on my own truck, I know that not only charging system cannot fully charge the battery during the short runs, but after you locked the truck and walked away with a key, it continues to drain the 12V battery for at least 15min like there is no tomorrow. Last night, after a few stops running errands, the truck wouldn't crank. No other trouble codes and check engine light is not on. " What could be the issue with the charging system of my Ford F-150? Mechanic's Assistant: Is the maintenance light blinking, flashing, or is it solid? When did you first notice Mar 21, 2025 · The "Charging System Service Now" message has been coming on sometimes after startup and staying on for about 30 seconds. Nov 22, 2024 · The “Charging System Service Now” alert in your Ford F150 can stem from various causes. Hasn't done it since, until yesterday. Sometimes it doesn't happen and sometimes it also comes on randomly. Also, make sure that you properly tighten the battery terminals to ensure that there are no loose connections. Did this previously about a year ago, got it towed to shop, once it was unloaded, it started right up. itxkm4n fgu1 muzh04r if4 y4d eh2 tx7fl nn0b xmjms9sl djn3iv