PDM issue causing car to shut down while driving on highway with AC

[badscooter]

Hi forum,

Just a new poster who wanted to share my story. I have 2016 Leaf SV, and last year my car started having a major issue. When I drove on the highway and was using the AC, my car would power down and flash a warning sign with a 12-volt battery on it. When I turned the AC off, the sign would go away, and the car would power back on as normal.

I replaced the 12-volt battery, and after a few months, the issue started reoccurring.

I took it to my local Nissan dealer, and they diagnosed it as a PDM issue - when the car was under a heavy load, the PDM wasn't working right and power wasn't going where it needed to. The PDM was replaced under the 5/60k powertrain warranty.

I did some online research and never really found this specific issue, and I wanted to share. I will update this post if the issue reoccurs. Hopefully not. Thanks everyone!

 

[Learjet]

good to know...I'm sure this will help someone in the future.

 

[goldbrick]

Glad you got it sorted out and especially that it was covered by warranty. But....what's a PDM?

 

[jjeff]

PDM
https://www.littelfuse.com/products/dc-power-distribution-modules.aspx

 

[badscooter]

Sorry to necro this thread, but have an update to share with the forum.

The shutdown issue came back again recently, so I took it back to Nissan. They diagnosed codes #B26FC, P0A8F, and B29A0. They found big voltage drops between the body and battery, and fixed the body ground circuits. Voltage readings are now normal, and I will update to see if the issue reoccurs in the future.

The repairs were not covered by the 5/60 powertrain warranty, but Nissan tendered (without much difficulty) a significant good will contribution to the repairs. I'm extremely pleased with Nissan's customer service and the service at Sutherlin Nissan.