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Hi guys ram eco diesel 14s start goods but glow light flash the dtc code p052f
Glow module.any experience with
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Did you ended up figuring out the issue with the Trouble code P052F Glow Plug control module 1 voltage.


Experiencing the same issue on a 2015 ecodiesel. Glow plug light flashing with CEL.


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I’m taken that this issue hasn’t been solved yet?

Only info I have found, code is for glow plug control module 1 system voltage. Only module/relay I can locate is on the passenger side in front of the ECM.

Vehicle info
2015 ecodiesel
117,000 miles
Fresh off the EGT recall repair
No other know major mechanical issues have been reported

Guessing my choices are.....

1) buy the module/relay at $70(basically just start throwin money at parts)

2) head to dealer to let them diagnose the issue and most likely pay them for the repair


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did you look into the box where the relay is , Between the battery and firewall , not main fuse box .
Yellow one , position F2 , in this long shape box .
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Yes I did check the yellow fuse it appeared to be good.

Just For info


The fix I found was by replacing glow plug control module/over sized relay. Which is located in front of the ECM on passenger side firewall. With the red and green connector.


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Thanks Rhino , I tought the was just a connector in front of the ECM .
now with your info I'll know it can cause problems .
In the old GDE instructions , they call it " Glow Plug Control Module "
so defenitely not just a connector .
 
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