DBats
New member
Hello everyone! (if this is a double post please delete, my internet hiccup'd as I posted this)
I'm chasing down a gremlin in a bad way and I need some advice on what to do.
Jeep is a 2012 JK 3.6 with 82K
Here's what happened: Was driving to work at highway speeds when my battery light illuminated and stayed on. Pulled over and used my flashpaq to scan the computer, pulled code P2504- Charging system output high. Figured my alternator was on it's way out, started the Jeep back up to make it into work and park it. Battery light did not come back on, jeep drove fine on the highway. As I got closer to work I hit traffic that brought me to a stop, after ilding in traffic for 5 minutes the battery light came back on followed shortly after by the temperature warning light. I looked at my temperature gauge and saw that it had pegged all the way over to hot. I immediately navigated out of traffic and shut the jeep off, I could hear the coolant boiling from inside the cab and sure enough there was coolant splashed all over the engine bay. Without wanting to do any more damage to the engine I had it towed back to my house.
First thing I did was to pull the battery and alternator out and have them tested, they tested fine at two different shops. I then set out to try and find something, anything that might be obviously wrong. I spun the water pump to see if it's seized, it spins freely, I pullled the serpentine belt to see if there was any idication of slipping or scuffing, the belt is a few months old and looks fine. I checked the tensioner, which is also fine. The thing I really don't know is if the overcharging issue and the overheating issue are related or two completely separate issues that just happened to pop off at the same time. I was looking to check the battery/engine grounds but I don't know where to look (if anyone has any pictures that'd be awesome).
Could these two problems be related? Could an overcharging issue fry or stop something like my radiator fan to stop working and cause the overheat? I'm open to any and all suggestions! Thanks!
I'm chasing down a gremlin in a bad way and I need some advice on what to do.
Jeep is a 2012 JK 3.6 with 82K
Here's what happened: Was driving to work at highway speeds when my battery light illuminated and stayed on. Pulled over and used my flashpaq to scan the computer, pulled code P2504- Charging system output high. Figured my alternator was on it's way out, started the Jeep back up to make it into work and park it. Battery light did not come back on, jeep drove fine on the highway. As I got closer to work I hit traffic that brought me to a stop, after ilding in traffic for 5 minutes the battery light came back on followed shortly after by the temperature warning light. I looked at my temperature gauge and saw that it had pegged all the way over to hot. I immediately navigated out of traffic and shut the jeep off, I could hear the coolant boiling from inside the cab and sure enough there was coolant splashed all over the engine bay. Without wanting to do any more damage to the engine I had it towed back to my house.
First thing I did was to pull the battery and alternator out and have them tested, they tested fine at two different shops. I then set out to try and find something, anything that might be obviously wrong. I spun the water pump to see if it's seized, it spins freely, I pullled the serpentine belt to see if there was any idication of slipping or scuffing, the belt is a few months old and looks fine. I checked the tensioner, which is also fine. The thing I really don't know is if the overcharging issue and the overheating issue are related or two completely separate issues that just happened to pop off at the same time. I was looking to check the battery/engine grounds but I don't know where to look (if anyone has any pictures that'd be awesome).
Could these two problems be related? Could an overcharging issue fry or stop something like my radiator fan to stop working and cause the overheat? I'm open to any and all suggestions! Thanks!
