Adblue Reset on a 2015 Diesel - Porsche Cayenne Forums : Porsche Cayenne Forum
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post #1 of 4 Old 09-05-2019, 07:38 AM Thread Starter
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Adblue Reset on a 2015 Diesel

I have topped off the tank and left the ignition on for 30 seconds without starting. The AdBlue fault indication will not clear. Do I have to have a Porsche dealer reset it or is there a possible issue with the system? My warranty is active until October if that makes a difference.
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post #2 of 4 Old 09-11-2019, 10:00 PM
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Had the same issue. Warning came on, I filled the blu def and light remained on even doing reset.Dealer could not get the car in for a week so I drove it. When the mileage count went to zero the car would not restart. Had to have it towed then they said it started but I wasn't there to see it happen. While there I had the warranty work / recall done and has been fine since but I was pissed to say the least.
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post #3 of 4 Old 10-16-2019, 11:24 AM
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In late Sept 2019 My AdBlue Light came on 2015 Diesel Cayenne and I topped off the Adblue when the monitor dropped to around 500 miles. The system reset and was fine for a couple of days until I took a trip on October 6, 2019 out of town. About 100 miles out of town the AdBlue light came on and the system showed that I had 200 miles to refill or no start. I pulled over several times shutting down the engine and I tried to reset the system without success. The adblue system counter went to zero and I drove to my destination without stopping the engine. Once to my destination, I had to have the car towed to the nearest Porsche dealer. They said that the adblue system was full but charged me over $400 to reset the computer. They said that without proof of refilling the system that the reset would not be covered under warranty. They said in the future that when I refilled the system that I would need to go to a dealer to have the adblue computer system reset. The adblue system countdown did not reset properly and Porsche would not cover it under warranty. This is very concerning. Anyone else with this issue? It's was over $400 and a tow just to get the system reset and it should have reset automatically once filled.
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post #4 of 4 Old 07-01-2020, 07:57 PM
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What's the procedure for resetting the AdBlue warning light? Where would I find information about this?

I recently purchased our Cayenne and when I drove it home a warning light came on informing me the oil was overfull. We purchased it from a Toyota dealership that new nothing about Porsches and sent me to the Porsche dealer that did the service. The service manager was an ass and told me they wouldn't fix it unless they changed the oil. I guess they didn't want my business so I started to leave then he reconsidered and said they would fix it for free. Then, about half a block from the dealership after getting my Cayenne back the warning light for an opil change came on.

I really like this car, and I might be willing to deal with a little attitude if they weren't such a screw up. The AdBlue light is on, 800 miles to go, and I think I'd like to fill it myself but not if I have to go the the same dealership to reset it. I'm hoping I can find a local Porsche mechanic that I can build a relationship with that I can trust.

If anyone knows of someone in Thousand Oaks/Westlake CA I'd appreciate a referral.

2015 Cayenne
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