Cayenne E-Hybrid Water Ingress Hybrid Battery Failure - Porsche Cayenne Forums : Porsche Cayenne Forum
 
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post #1 of 2 Old 06-29-2020, 09:57 AM Thread Starter
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Cayenne E-Hybrid Water Ingress Hybrid Battery Failure

Hi All, having an absolute nightmare with my 2015 Cayenne E-Hybrid and really would like some advice. At the moment it looks like Porsche are refusing to pay anything towards replacing my hybrid battery even though itís still under warranty Ė I could be paying over £10,000 myself to fix it! Brief summary of the situation:

- 1st Feb car would not open. Recovery jump-started it but died again after 24 hours. Specialist then replaced the battery, but it died again 2 weeks later
- Been with OPC since 5th March. Itís now almost July and the car still wonít start. They recommended replacing the control unit as it was emitting high voltage (charging me £2,700). This hasnít fixed the problem.
- Now Porsche GB want to get a hybrid battery specialist to examine the battery and there's only one in the UK. They think heís going to conclude that the problem is water damage which will exclude a warranty claim.
- They think cause is water coming in from the sunroof and are blaming me for not getting drains cleared at the last service. There's no mention of drains in service video.
How can an SUV be designed to accept moisture through the sunroof into the hybrid battery?
- I believe the battery was always faulty - from the time I bought it in Nov 2018 it never held charge fully.
- Porsche GB have shown little empathy. Said theyíll 'review the goodwill situation at the end', but OPC telling me itís unlikely theyíll show any goodwill at all. No courtesy car either so Iíve been without a car for 6 months basically and no end in sight
- It was clear the start that the battery was at fault Ė they shouldíve brought the hybrid specialist in at the beginning. This fanfare with the control unit has just wasted a lot of time and money.

Anyone with a similar experience and any advice? Feel pretty stuck and disillusioned. Loved my Cayenne but the way Iím being treated here Iíd never buy a Porsche again.
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post #2 of 2 Old 07-01-2020, 10:56 PM
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Join Date: Sep 2019
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We had water inside our 2019 e-hybrid. There are two small hoses one on each side where the sunroof channels drain down into the wheel wells. One of ours was pinched during assembly and it leaked every time it rained, only way we noticed was someone was in the back seat and told my wife water was dripping from the rear pillar. All sorted now and luckily have a record.
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