OBD2 code C0900: TPMS Sensor 1 Battery
TPMS Sensor 1 Battery: the control module has detected this fault condition.
Detected Root Component
Chassis Component
Observed Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Possible Causes
- TPMS sensor battery depleted (end of life)
- Sensor electronics failed
Tools Required
Interactive Diagnostic
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Parts likely to be the cause (Capteur ABS)
Capteur ABS
Photo d'illustration : Capteur ABS
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Frequently asked questions about code C0900
What does code C0900 mean? ▾
OBD2 code C0900: TPMS Sensor 1 Battery. TPMS Sensor 1 Battery: the control module has detected this fault condition.
What are the symptoms of code C0900? ▾
Code C0900 may cause: ABS warning light on, ESC/stability control deactivated, Possible reduced brake assist, Speedometer may behave erratically. The intensity of these symptoms varies depending on the vehicle and driving conditions.
What causes code C0900? ▾
The most common causes of code C0900 are: TPMS sensor battery depleted (end of life), Sensor electronics failed. A proper OBD2 diagnostic will pinpoint the exact cause.
Is it serious to drive with code C0900? ▾
Code C0900 has moderate severity (Warning). Short-term driving remains possible, but a prompt check is recommended to prevent worsening.
How do I fix code C0900? ▾
Start by reading the code with an OBD2 scanner, then follow the interactive decision tree on this page. Priority causes to check: TPMS sensor battery depleted (end of life), Sensor electronics failed. Difficulty: Medium · Estimated time: 30-60min.