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Hello Everyone,
Thank you for having me. I am from Ontario, Canada. Our company bought a 2014 Ram Promaster 2500 in July 2015, brand new. We have since put on 39,000kms(24,000mi). We do regular oil changes and maintanance as required on the vehicle. Since the beginning, about 5000kms(3,100mi) after an oil change, the vehicle suddenly goes into limp mode and the error "Service ESC System, Hill Holder" comes up. I put the vehicle in neutral(at speed) and restart the vehicle and the problem goes away. This always happens while accelerating or maintaining speed and always above 80kph(50mph). It typically happens on a grade, no matter how slight, but has happened while coasting on a flat surface. This happen on cruise or not on cruise. After 5000kms, it will happen once, then more frequently until about 7000kms(4300mi) where it happens all the time. Every hour, sometimes every 30 seconds. We have done 3 oil changes, and are due for the 4th. Each time the dealership investigates. First they replaced the camshaft sensor, next the hub that the camshaft sensor attaches to and over the holidays they replaced both the intake and exhaust camshafts. We are 5,500kms from our last oil change and it happened again the other day, once yesterday and again this morning. This problem happens at what seems to be complete random times. Every time I leave the dealership, I have 5000kms before the problem shows itself again. Has anyone experienced this or do they have any suggestions? Thanks. Jeff
 

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Mine had a bad rear wheel sensor which caused it but never went into limp mode. I would throw "service hill hold" "service abs system" and "service brake system" on the dash and light up all the associated indicator lights. It would only occur when below freezing and the rear tires would be locked/squeezing (depending upon traction) After they replaced the sensor I found out the parking brake cables freeze from the wheels to the "y" when cold and that could have over heated the sensor, I was able to determine by hitting the cables located on the rear box axle when barely below freezing and the van e-brakes let loose. still waiting (back ordered) for the dealer to get my e-brake cables and whatever else fixed. It's not fun chocking tires or parking into turns on mild hills.
 

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WHY IS THE DEALER MUCKING WITH THE CAMSHAFTS? Its related to the wheel sensor, or some part of the hill holder! I gotta go back in hibernation I'm yelling again. IT HAS NOTHING TO DO WITH THE OIL CHANGES. when this is solved if I am wrong post up and I'll apologize for yelling.
 

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All the error codes point to the camshaft. That's why. In my opinion, the hill holder is kicking in when it shouldn't and messing with everything else. I hate the function because it destroys the mileage and kicks in for no reason and I can't upshift to get out of it
 

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Any resolution to this? I think it just happened to my husband, but the van won't restart for him. He's getting it towed now.
 

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I've researched this "Service ABS, Service ESC, Service Hill Hold Assist" on this entire forum. One user "Dave06" wrote it was a "Steering Angle Sensor" and on the same tread a user "rocketfish" said they replaced the ECU and some part he didn't know the name of and it resolved his issue but no mention of the actual part. Neither users replied to my questions on the details of the repairs. We have this same problem and its a total nightmare! Taken the van to 2 RAM dealers and 3 highly qualified auto electronics specialists to no avail. Still searching for an answer.

https://www.promasterforum.com/forum/showthread.php?t=83679
 

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So do I have to apologize yet? Any one get new camshafts and find their problem is fixed? I didn’t think so. BCM replacement.
 

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Any resolution to this? I think it just happened to my husband, but the van won't restart for him. He's getting it towed now.
Hey Gunny what was the outcome of this ? My van is at the dealers it won't start with the key stuck . I had the service hill holder light up on my dashboard..
 

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I've researched this "Service ABS, Service ESC, Service Hill Hold Assist" on this entire forum. One user "Dave06" wrote it was a "Steering Angle Sensor" and on the same tread a user "rocketfish" said they replaced the ECU and some part he didn't know the name of and it resolved his issue but no mention of the actual part. Neither users replied to my questions on the details of the repairs. We have this same problem and its a total nightmare! Taken the van to 2 RAM dealers and 3 highly qualified auto electronics specialists to no avail. Still searching for an answer.

https://www.promasterforum.com/forum/showthread.php?t=83679
Hey CDX.what was the final solution to all this? The dealership where I am at seem to be cluless and are changing part that don't need to be changed. They still haven't found the root of the problem..a total nightmare I am dealing with.
 

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Hello Everyone,
Thank you for having me. I am from Ontario, Canada. Our company bought a 2014 Ram Promaster 2500 in July 2015, brand new. We have since put on 39,000kms(24,000mi). We do regular oil changes and maintanance as required on the vehicle. Since the beginning, about 5000kms(3,100mi) after an oil change, the vehicle suddenly goes into limp mode and the error "Service ESC System, Hill Holder" comes up. I put the vehicle in neutral(at speed) and restart the vehicle and the problem goes away. This always happens while accelerating or maintaining speed and always above 80kph(50mph). It typically happens on a grade, no matter how slight, but has happened while coasting on a flat surface. This happen on cruise or not on cruise. After 5000kms, it will happen once, then more frequently until about 7000kms(4300mi) where it happens all the time. Every hour, sometimes every 30 seconds. We have done 3 oil changes, and are due for the 4th. Eloads.me the dealership investigates. First they replaced the camshaft sensor, next the hub that the camshaft sensor attaches to and over the holidays they replaced both the intake and exhaust camshafts. We are 5,500kms from our last oil change and it happened again the other day, once yesterday and again this morning. This problem happens at what seems to be complete random times. Every time I leave the dealership, I have 5000kms before the problem shows itself again. Has anyone experienced this or do they have any suggestions? Thanks. Jeff
I'm having similar symptoms and to top it off the key is stuck and don't come out because there is no power to the vehicle.they are telling me some boloni story that now it has something to do with the key wich hcommunicates with the pc module and that is why I am having these symptoms to the van. I just think it's the tranny . at 85kmiles it's seems to young for it to be that especially when I don't tow or haul heavy loads
Hello Everyone,
Thank you for having me. I am from Ontario, Canada. Our company bought a 2014 Ram Promaster 2500 in July 2015, brand new. We have since put on 39,000kms(24,000mi). We do regular oil changes and maintanance as required on the vehicle. Since the beginning, about 5000kms(3,100mi) after an oil change, the vehicle suddenly goes into limp mode and the error "Service ESC System, Hill Holder" comes up. I put the vehicle in neutral(at speed) and restart the vehicle and the problem goes away. This always happens while accelerating or maintaining speed and always above 80kph(50mph). It typically happens on a grade, no matter how slight, but has happened while coasting on a flat surface. This happen on cruise or not on cruise. After 5000kms, it will happen once, then more frequently until about 7000kms(4300mi) where it happens all the time. Every hour, sometimes every 30 seconds. We have done 3 oil changes, and are due for the 4th. Each time the dealership investigates. First they replaced the camshaft sensor, next the hub that the camshaft sensor attaches to and over the holidays they replaced both the intake and exhaust camshafts. We are 5,500kms from our last oil change and it happened again the other day, once yesterday and again this morning. This problem happens at what seems to be complete random times. Every time I leave the dealership, I have 5000kms before the problem shows itself again. Has anyone experienced this or do they have any suggestions? Thanks. Jeff
I am going thru that right now and the dealers don't have a clue what to do. What was your solution did it get fixed?
 
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