I have a 2016 Jeep Grand Cherokee 2.4L. I have the P0520 oil pressure sensor fault. I replaced the sensor with two different sensors and still same result. I checked with scanner and it reads 0 oil pressure. I checked voltage on sensor plug and read 5 volts on 2 pins and ground on 3rd. I confirmed oil level and also changed oil and still same results. Is there anything else to do that I'm missing?
How long has your 2016 Jeep Grand Cherokee had this problem?
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Hi this is Dusty, I'm one of the auto experts on RepairPal's Car Genius team!
Having trouble with a fault in the oil pressure sensor can be really frustrating, especially if you've replaced the sensor multiple times.
If you those readings were taken via backprobe while the engine was running, if not that's when they should be performed.
The next thing would be to test the oil pressure manually with a mechanical oil pressure gauge.
This will give you he the engine's actual oil pressure and will help determine whether the issue is with the oil pressure or purely an electrical issue.
If the there's little no output mechanically, then we'll need to evaluate the oil flow; there could be an issue with the oil pump/pickup tube or a blockage in the oil passages.
If everything else checks out, the problem might be with the (ECM/PCM) Powertrain Control Module, a software issue could be at play here causing incorrect oil pressure readings.
If that's beyond your comfort level a trusted professional can perform a thorough diagnostic to pinpoint the exact cause of the problem.
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