C0901
TPMS Sensor 1 Position Performance
The tire pressure monitoring receiver cannot reliably localize sensor 1 to a wheel position. Pressure values may be assigned to the wrong wheel until relearn is completed.
The tire pressure monitoring receiver cannot reliably localize sensor 1 to a wheel position. Pressure values may be assigned to the wrong wheel until relearn is completed.
Common causes
- high
Position relearn required after rotation
One of the most commonly reported causes for this code — check this first.
Typical part cost: $10-90
- medium
Weak sensor signal at receiver
A plausible cause — test and verify before replacing parts.
Typical part cost: $10-90
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does C0901 mean?
C0901 means "TPMS Sensor 1 Position Performance". It is a generic OBD-II code that points to a fault in the chassis.
What are the most common causes of C0901?
position relearn required after rotation; weak sensor signal at receiver — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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