CARWATCH
P0221 Error on Nissan
What it means and how to fix it
🚨 Fault Description (P0221)
The DTC code P0221 in a Nissan vehicle is a sign that the onboard computer has registered the following anomaly:
"Throttle/Petal Position Sensor/Switch B Circuit Malfunction"
Despite being a generic fault, how it affects performance and where the physical problem is located changes a lot depending on the specific Nissan model you drive.
Other frequent faults detected in Nissan:
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To clear the engine light and read the P0221 code from your phone, you need an OBD2 adapter compatible with the Nissan ECU.
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