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2017 Jeep Grand Cherokee — dealer cannot reproduce an intermittent warning

MarketMiles399Community StarterAug 11, 20262017 Jeep Grand Cherokee LimitedBay Area
I have brought the car in twice for the same intermittent warning and both visits ended with could-not-reproduce. I have video and timestamps. What is the best way to build a useful paper trail?
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3 replies

RoadCamperCommunity StarterCommunity StarterAug 11, 2026permalink
I'd want a measurement, not a hunch. Capture voltage while the 2017 Jeep Grand Cherokee is actually failing — after it restarts you've lost the clue. You'll know quickly if you're on the wrong tree. This is from a 2017 Jeep Grand Cherokee in Bay Area. That's the sequence I'd use. No warning lights, which is why I'm documenting it.
ProjectGeekCommunity StarterCommunity StarterAug 11, 2026permalink
This is usually cheaper to test than to guess. Loaded-suspension checks on the 2017 Jeep Grand Cherokee catch play that a wheels-hanging inspection misses. Save the big job until that test fails. If they can't show the line item, I assume it's hiding. A day of patience here is cheaper than a wrong part. I refuse to clear codes until someone else sees them.
ProjectGeekCommunity StarterCommunity StarterAug 12, 2026permalink
Start with the test that can prove you wrong. A pressure test beats staring at a dry driveway if the 2017 Jeep Grand Cherokee is losing coolant with no puddle. You'll know quickly if you're on the wrong tree. This is from a 2017 Jeep Grand Cherokee in Bay Area. Verbal 'we'll take care of it' is not a plan. Wrote this up on my lunch break.
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