Codes p06de and P0521?

Tiny
TJARTIST
  • MEMBER
  • 2020 GMC TERRAIN
  • 1.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 79,000 MILES
Hello, I have the vehicle listed above SLT model. I noticed the oil filter was leaking and then a day or so later check engine light came on with a message about reduced engine power and then codes p06de and code p0521. I did a full oil change on it and the check engine light and code are still there. Anything I can do other than taking it to a garage?
Monday, December 4th, 2023 AT 10:07 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,241 POSTS
You need to clear the codes before they will go away, if you have not already done so. It sounds like the oil is clean and full which is good, if the code repeats, I would change out the engine oil pressure sensor which I have included the location and instructions for in the images below, it looks like the sensor is above the starter, so I have included those instructions as well, start by disconnecting the battery.

P06DE - Engine Oil Pressure Control Circuit Stuck On:

P0521 - Engine Oil Pressure Sensor/Switch Range/Performance:

You can do a manual check of the oil pressure as well by following this guide:

https://www.2carpros.com/articles/how-to-manually-check-engine-oil-pressure-step-by-step-guide

Check out the images (below). Let us know how it goes.
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Monday, December 4th, 2023 AT 1:54 PM

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