CHECK ENGINE ELECTRONIC THROTTLE CONTROL 2014 RAM 6.4L HEMI

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stihlyourface

Member
Joined
Apr 10, 2019
Posts
37
Reaction score
5
Location
Connecticut
Ram Year
2014
Engine
6.4L Hemi
Hey guys, I know this has been brought up before but I just had the check ETC message come up on my cluster with a lightning bolt and check engine symbol.
This is a 2014 RAM Tradesman 4X4 with 6.4L and 48k miles.
So far, no noticeable loss in performance.

I ran the codes with my scan tool and have the following active codes:
P1C4E - ABS DTC PRESENT
P2181 - COOLING SYSTEM PERFORMANCE
B16B715 - CENTER STOP LAMP OPEN CIRCUIT
B22A900 - ECU INTERNAL PERFORMANCE

I also have the following stored codes:
C007700 - LOW TIRE PRESSURE
B1A2500 - INVALID KEY
U014000 - LOST COMMUNICATION WITH BCM
U012600 - LOST COMMUNICATION WITH STEERING ANGLE SENSOR
U000288 - CAN C BUS OFF PERFORMANCE

The coolant temp never seems to reach operating temp so my hunch is that the thermostat is stuck open triggering the P2181 and the check ETC message.

I'm not sure what the ABS code could be, possibly something to do with that steering angle sensor?

and obviously, the brake light bulb was dead so I replaced it. It had water inside of the bulb because the foam gasket on my brake light was dried out and not sealing properly.

I have an appointment with the dealer tomorrow morning so I will post a follow up when it finished.
 

rubes7202

Senior Member
Joined
Aug 27, 2016
Posts
254
Reaction score
61
Location
PLEASANTON, CA
Ram Year
2015
Engine
Hemi 5.7
Hey guys, I know this has been brought up before but I just had the check ETC message come up on my cluster with a lightning bolt and check engine symbol.
This is a 2014 RAM Tradesman 4X4 with 6.4L and 48k miles.
So far, no noticeable loss in performance.

I ran the codes with my scan tool and have the following active codes:
P1C4E - ABS DTC PRESENT
P2181 - COOLING SYSTEM PERFORMANCE
B16B715 - CENTER STOP LAMP OPEN CIRCUIT
B22A900 - ECU INTERNAL PERFORMANCE

I also have the following stored codes:
C007700 - LOW TIRE PRESSURE
B1A2500 - INVALID KEY
U014000 - LOST COMMUNICATION WITH BCM
U012600 - LOST COMMUNICATION WITH STEERING ANGLE SENSOR
U000288 - CAN C BUS OFF PERFORMANCE

The coolant temp never seems to reach operating temp so my hunch is that the thermostat is stuck open triggering the P2181 and the check ETC message.

I'm not sure what the ABS code could be, possibly something to do with that steering angle sensor?

and obviously, the brake light bulb was dead so I replaced it. It had water inside of the bulb because the foam gasket on my brake light was dried out and not sealing properly.

I have an appointment with the dealer tomorrow morning so I will post a follow up when it finished.
What did the dealer say?

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stihlyourface

stihlyourface

Member
Joined
Apr 10, 2019
Posts
37
Reaction score
5
Location
Connecticut
Ram Year
2014
Engine
6.4L Hemi
Ok guys...

So dealer says there were some “erroneous codes” they checked the antifreeze with a refractometer, and verified that it was at the proper level.

Then cleared the codes HAHAHAHAH
they said if it comes back I will need a thermostat but they are backordered for months.

Basically they told me what I already know. I had to take it in for two recalls so they didn’t charge me anything. So far the light hasn’t returned and I have driven about 300 miles with the truck.

I’m confident that it will come back. They coolant temp never reaches the middle of the gauge and it takes the truck a while to warm up. I know that the tstat is stuck open. I think the dealer just wanted to buy themselves some time since the part is back ordered anyway.


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