This eliminates any PWM issues from the BCM since the power is being supplied directly by the battery. Essentially, the old halogen power signal goes to the control side of a relay, while the power side comes directly from the battery. It uses the stock connector and all the wiring is done with an aftermarket harness that I modified. There's no modifying or drilling the dust covers to wire up the HID bulb directly. OEM HIDs are lighting up! This is with OEM headlamp assemblies, so OEM ballasts are used. Their initial response was that it could not be done, even though I provided them the documentation direct from Ram. My guess is this is not something they get requests for too often. To have the RPO for DRL added to my 2016 Ram's VIN, I had to literally walk the dealership through the service bulletin. IF an option RPO is added in DealerConnect, it does indeed look like (from the documentation at least) that a "restore vehicle configuration" routine followed by a hard BCM reset would put the updated configuration in place. Now, which RPOs are available to add for the Pacifica would be an interesting list to see. I am pretty confident that comprehensive module flashing is available with any J2534 device that claims FCA compatibility, but to change an option code would require a dealer to add the RPO to the VIN as a dealer installed option in DealerConnect. There is a ton of documentation on Tech Authority for independent shops using both J2534 pass thru devices as well as WiTech 2. With the "New J2534 Application" (quite literally the name FCA gave it) ALL J2534 compliant ECU modules can be flashed on 2010+ vehicles. If I don't wire up the lin bus, I'm assuming I just won't have load leveling adjustment which none of the aftermarket HID kits do anyway?įrom what I can tell, 1996-2009 vehicles are only capable of emissions based J2534 ECU access using the (now) legacy "Chrysler J2534 Flash Application". The headlamp leveling module does connect to the can bus, so I'm wondering if it will requiring coding or if the lin bus is outputting all the time and is just not used in the halogen application. It looks like it takes in readings from the front/rear leveling sensors, and provides an offset adjustment to the HID assemblies, while the halogen assemblies aren't connected to the lin bus at all, and seems to be driven directly by the headlamp switch. The only open issue I have is the lin bus output from the headlamp leveling module. I am avoiding any dealer coding and trying to take an "aftermarket" approach with the OEM HID assemblies. I think I can make this work as the pin out is similar at the assemblies thanks to the diagrams provided by stop-eject. I sourced the OEM HID assemblies already and am modifying an aftermarket harness to use the relays (bypassing the BCM). I decided to go for this (glutton for punishment).
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