![P0521 and P0523 error code during roadtrip | Chevy Tahoe Forum | GMC Yukon Forum | Tahoe Z71 | Cadillac Escalade - Tahoe Yukon Forum P0521 and P0523 error code during roadtrip | Chevy Tahoe Forum | GMC Yukon Forum | Tahoe Z71 | Cadillac Escalade - Tahoe Yukon Forum](https://www.tahoeyukonforum.com/data/attachments/379/379287-6ce2438acfb514f06466ef43355d1fb7.jpg)
P0521 and P0523 error code during roadtrip | Chevy Tahoe Forum | GMC Yukon Forum | Tahoe Z71 | Cadillac Escalade - Tahoe Yukon Forum
![Need help* p0521 keeps coming up. Replaced the oil pressure switched once. Screen was already removed. Why is it coming back and what else could cause this? : r/ChevyTrucks Need help* p0521 keeps coming up. Replaced the oil pressure switched once. Screen was already removed. Why is it coming back and what else could cause this? : r/ChevyTrucks](https://i.redd.it/1b2itcuypcj71.jpg)
Need help* p0521 keeps coming up. Replaced the oil pressure switched once. Screen was already removed. Why is it coming back and what else could cause this? : r/ChevyTrucks
![P0521 no oil pressure on gauge — Ricks Free Auto Repair Advice Ricks Free Auto Repair Advice | Automotive Repair Tips and How-To P0521 no oil pressure on gauge — Ricks Free Auto Repair Advice Ricks Free Auto Repair Advice | Automotive Repair Tips and How-To](https://ricksfreeautorepairadvice.com/wp-content/uploads/2019/12/5_3-oil-pressure-sensor.jpg)