rainerlorenz1
Titan AC Issues
Summary of the thread
A 2017 Nissan Titan with a diesel engine experienced a sudden failure of the air conditioning system, which stopped cooling and wouldn't switch on. A diagnostic scan revealed an error related to low voltage. The issue was resolved by replacing a faulty relay switch, which was causing undervoltage in the vehicle. The solution involved visiting a workshop for professional assistance, leading to a successful repair.
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4 comment(s)
rainerlorenz1 (community.author)
Thanks for the quick reply! It's completely dead, not intermittent at all. Where is the AC relay switch located? I'm assuming it's under the hood somewhere?
ralf_dark1
Yeah, mine was completely dead too. I was hoping yours was just intermittent. The relay switch is in the fuse box under the hood. Honestly, I'd suggest getting it checked out by a workshop. Turned out to be undervoltage in the vehicle on mine and they were able to track it down. Saved me a ton of time.
rainerlorenz1 (community.author)
Appreciate the advice! I took it to my local shop, and you were spot on. It was undervoltage and they replaced a faulty relay switch. Cost me 240€, but at least it's fixed. Thanks again!
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NISSAN
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TITAN
ralf_dark1
Dude, that sounds familiar! I had a similar problem with my Titan’s A/C. Does it happen intermittently, or is it just completely dead now? Have you checked the AC relay switch?