Recent content by MYPHW4

I believe you are correct. The new hitch receiver Rev G has a new controller unit that enables the trailer lights. I installed the Rev G hitch receiver myself and my trailer lights would not operate. I found the only way to enable the trailer lights with this module installed is to update the...

I completed my service appointment today with Tesla to enable Trailer Mode. This confirmed my worst scenario. Tesla Techs at the service center I visited had zero knowledge on the proper procedure to fully enable trailer mode with working trailer lights. I'm assuming this is the case only for...

Currently, trailer mode isn’t enabled and I have a service appointment to get it updated this weekend.

That’s great to hear! Im just waiting for my service appointment since it was cheaper than the Toolbox subscription. I’ll provide an update after the service has been completed. Did you end up replacing the left hand low voltage controller prior to the update? If so, which version did you install?

Hi Mloecher, my hitch is Part # 1514757-00-G which has both the new updated connector and ECU/Heatsink. Honestly, I never looked at the number of wires for the connectors.

I was looking into the Toolbox option but paying the $169 for the 1 day subscription and not knowing exactly how to do it deterred me from choosing this option. I didn't see any resources covering this topic using Toolbox. Plus the service estimate is only $125 for me. I don't know how...

Thanks for the offer. I decided to submit a service request. I did get a confirmation that Tesla will enable the trailer mode and configure the trailer lights. The service advisor stated that there is no information about changing any hardware and quoted me a 1/2 hours worth of labor to...

This is meant for US owners since there are different versions of the Left Hand Low Voltage Body Controller for non-US models.

Calling out to all Model Y owners with HW4 that have the OEM hitch installed and the trailer lights that properly operate when connecting an accessory to the trailer electrical connector. There doesn't seem to be a comprehensive thread existing that clearly identifies the Left Hand Low Voltage...