New Battery Connections

This blog post is part 2 of a  3 part series of completely unrelated incidents that just happened in quick succession.

About four miles away from home, my car issued the second warning message of 2017:

AccelerationReduced

Acceleration Reduced  Contact Tesla Service When Convenient

Fortunately, the issue did not require me to stop immediately, and I felt comfortable driving home.  When I contacted Tesla Roadside Assistance, I was transferred to Tesla Service.

When Tesla Service contacted me, a bit to my surprise I was told not to continue driving the car.  Instead of driving the relatively short distance to the closest service center, they wanted to tow my car.  Fortunately in my area, you can have your Tesla towed by appointment.  I decided to delay it a day to a more convenient time.

The local towing operation is now very familiar with Teslas and did the operation quickly and efficiently.  There are only two things unusual about towing a Tesla:  setting the tow mode on the car, and secondly using a two pronged vs one prong cable.

dualattachments

Two Points Required to Tow a Tesla

This problem with my car had to do with the connectors to the main battery.  Within two days, the service department replaced the power switches with the latest generation parts,  replaced the HV Blanket, and removed some corrosion.   The descriptions listed in the invoice are:

“Replaced power switches with latest generation parts as necessary”

“Replaced HV Blanket with updated part”

“Retrofit 2nd Generation Battery Blanket and Remove Corrosion From Battery Cover”

Here is the list of parts that were replaced:

1 BUSBAR,OUTPUT,POS,HVBAT,MDLS (1048113-00-A)

1 BUSBAR,OUTPUT,NEG,HVBAT,MDLS (1048111-00-A)

2 SCREW,M8-1.25X19,HEX,BARSS,PATCH WITH WASHERS (1004392-00-B)

1 FIELD KIT PYRO FUSE PACK 1.0 1.5 (1089619-00-B)

1 FIELD CONTRACTOR KIT W/O FUSE – PACK 1.0 1.5 (1084515-00-B)

1 BLANKET, CERAMIC,HV BATTERY,MDLS (1006466-00-F)

8 TALL HEAD HOLLOW FASTENER FOR BIW MOUNTING SLEEVES WITH VHB SEAL (1018552-00B)

2 SHORT HEAD PACK SPACER FASTENER ASSEMBLY (1018551-00-B)

1 BATTERY RECYCLING WARNING LABEL (1015713-00-B)

In general this issue was not particularly painful, I was unable to drive my car for four days (including over a weekend).  The problem could have been very inconvenient if I was away from home or on a road trip.

The cost was covered by my warranty coverage.  However, I am not sure if the cost was covered by my extended warranty or the battery warranty as the language on the Tesla website is not very detailed.

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