C0900
TPMS Sensor 1 Battery
TPMS Sensor 1 Battery: the control module has detected this fault condition.
TPMS Sensor 1 Battery: the control module has detected this fault condition.
Common causes
- high
TPMS sensor battery depleted (end of life)
One of the most commonly reported causes for this code — check this first.
Typical part cost: $70-280
- low
Sensor electronics failed
Less common, but worth ruling out after the more likely causes.
Typical part cost: $70-280
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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 C0900 mean?
C0900 means "TPMS Sensor 1 Battery". It is a generic OBD-II code that points to a fault in the chassis.
What are the most common causes of C0900?
tpms sensor battery depleted (end of life); sensor electronics failed — 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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