Chronic electrical issues on late 2024 build I4 First edition

[mzobian]

I'm having the turn signal faults, as well as rear trunk (not closed) faults. They're intermittent, and go away on their own, sometimes in seconds. To this admittedly untrained eye, I'd swear they're caused by a loose electrical connection somewhere; I doubt this is a software issue.

 

[NE12SD8]

On my same model year I have the same issue that happened prior to me keeping the battery on the trickle charge. If you don't drive car for several days it's best to keep it plugged in to avoid voltage drops from what I was told. Now I rarely get any tail light malfunction alerts.

 

[mzobian]

On my same model year I have the same issue that happened prior to me keeping the battery on the trickle charge. If you don't drive car for several days it's best to keep it plugged in to avoid voltage drops from what I was told. Now I rarely get any tail light malfunction alerts.

Thank you; low-voltage circuits from partially-drained batteries certainly do cause weird faults in cars. I will install the battery tender and see if that eliminates the problem.

 

[Dean76]

Same here. From the day I got it, random intermittent momentary warning with either left or right indicator light malfunction. Almost always goes away within seconds. Seems to happen under brisk acceleration, making me think a wire might be loose somewhere but so sporadic. Once I had to turn the car on and off to get the warning to disappear, only one time.

 

[MattG]

I'm having the turn signal faults, as well as rear trunk (not closed) faults. They're intermittent, and go away on their own, sometimes in seconds. To this admittedly untrained eye, I'd swear they're caused by a loose electrical connection somewhere; I doubt this is a software issue.

My dealer told me a new harness is the fix for the turn signal fault. I'm not able to take my car in until springtime to confirm this though.