Getting multiple error codes P0420, C1422, C1542, B1500, B1650, B1501, U0140, B1760, C2021, C2022, C2023, C2121, C2122, C2123, C2124, C2424, and C2521?

2013 SUBARU CROSSTREK

165,000 MILES • 2.0L • 4 CYL • 4WD • MANUAL

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I recently bought a Subaru XV Crosstrek, and I'm getting multiple error codes, and I'm wondering if they all point to one specific problem. The car has burning oil/leaking oil issues. It lacks some power (comparing to a 2018 2.5 Forester), but accelerates ok, idles fine, so nothing really obvious. The codes are, P0420, C1422, C1542, B1500, B1650, B1501, U0140, B1760, C2021, C2022, C2023, C2121, C2122, C2123, C2124, C2424, C2521.

Dec 3, 2024 at 8:38 AM

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Not all of these can come up at once unless you have many fuses out so, please check those first. Also, has the wiring been messed with?

Here is a guide to help you check the fuses:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Here are the fuse locations. If the fuses are okay, clear all codes and then turn the key on without starting the engine and run the codes again, this will give you the hard codes only. Check out the images (below). Please upload pictures or videos in your response of any problems so we can see what to help you with.

Images (Click to enlarge)

Dec 3, 2024 at 11:19 AM