C0221 Error on Subaru

Q: C0221 Error on Subaru

If the Check Engine light of your Subaru is on and the scanner shows the C0221 code, it means the ECU has detected the following problem: Right Front Wheel Speed Sensor Input = 0

What it means and how to fix it

🚨 Fault Description (C0221)

If the Check Engine light of your Subaru is on and the scanner shows the C0221 code, it means the ECU has detected the following problem:

"Right Front Wheel Speed Sensor Input = 0"

Despite being a generic fault, how it affects performance and where the physical problem is located changes a lot depending on the specific Subaru model you drive.

Other frequent faults detected in Subaru:

P0420 P0300 P0171 P0401 P0141 P0430 P0113 P0455 P0301 P0302 P0303 P0304 P0135 P0442 P0172

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Recommended OBD2 Scanner for Subaru

To clear the engine light and read the C0221 code from your phone, you need an OBD2 adapter compatible with the Subaru ECU.

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