News Technical Service Bulletins

Issue With Ram ProMaster Turn Signal

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KEYWORDS Mitchell 1 Ram

Note the location of the two housing screws.

Customers with 2014-2017 Ram ProMaster vehicles built on or before May 24, 2017, and equipped with wide power heated mirrors, manual fold-away mirrors or power-folding/heated mirrors may experience external lighting failure indicator light(s) along with accelerated blinking during turn signal operation.

The inner turn signal amber lens may be distorted from excessive heat. DTCs B1008-18 (right turn lamp undercurrent) and/or B1007-18 (left turn lamp undercurrent) may be stored, as well. Using a scan tool, check for non-related DTCs and address as needed before proceeding.  

Remove both outside mirror turn signal bulbs. Remove the two screws that hold the turn signal housing/lens to the mirror assembly and discard the old housing. Note that the new bulbs will be an amber color and the new housing will not have an inner amber lens/filter. Install the new housings and bulbs.

The new parts are as follows:

Amber turn signal bulbs.......... 68374917AA

Right turn signal housing........ 68374918AA

Left turn signal housing...........6837491AA

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