Service Stop/Start System After Amplifier Install

[zw470]

Installed all new speakers and a 4 channel amp using the PAC AmpPro last week. This morning when I left for work the service stop/start warning came on. I didn't have time to dig out my scanner but I was able to confirm that the amp is turning off with the Jeep. Main battery was replaced in late 2023/early 2024 and the aux battery was replaced last March. Start/Stop itself has been disabled via Tazer since 2022.

Could something from the install be causing it? Just a coincidence?

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[wanderer]

I have a similar issue with a portable plug in refrigerator

 

[Aonarch]

Did you disconnect the battery and the aux battery when installing?

 

[zw470]

Did you disconnect the battery and the aux battery when installing?

Main battery yes, aux battery no.

 

[zw470]

Got the scanner hooked up and got the P00FD "batt b state of charge performance" along with two seat sensor related codes and one code (B1BE7) it couldn't define. When I googled it a thread from here was one of the first results, and this was one of the replies.

Hi there, I had the same error U115F/B1BE7, together with the 'service stop/start' light and message.

Since I had just removed/ replaced the seats, I checked if the contacts were all securely fastened, and one of them was not. Once i plugged it back properly, the CELs and all messages disappeared.

Edit: this was on the driver side.

I had both seats out for the install, so I guess I need to go back and check all the connections again.

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