OBD2 code C0904: Manufacturer-specific code
C codes cover chassis systems (ABS, steering, suspension); the precise meaning is manufacturer-specific.
Detected Root Component
Chassis Component
Observed Symptoms
- Warning lights on instrument cluster
- ABS or ESP/ESC light on
Possible Causes
- Faulty sensor or actuator in the affected circut
- Damaged wiring or connector
- Corroded connector
- Faulty control module
Tools Required
Interactive Diagnostic
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Diagnostic Result
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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 C0904
What does code C0904 mean? ▾
OBD2 code C0904: Manufacturer-specific code. C codes cover chassis systems (ABS, steering, suspension); the precise meaning is manufacturer-specific.
What are the symptoms of code C0904? ▾
Code C0904 may cause: Warning lights on instrument cluster, ABS or ESP/ESC light on. The intensity of these symptoms varies depending on the vehicle and driving conditions.
What causes code C0904? ▾
The most common causes of code C0904 are: Faulty sensor or actuator in the affected circuit, Damaged wiring or connector, Corroded connector, Faulty control module. A proper OBD2 diagnostic will pinpoint the exact cause.
Is it serious to drive with code C0904? ▾
Code C0904 has moderate severity (Warning). Short-term driving remains possible, but a prompt check is recommended to prevent worsening.
How do I fix code C0904? ▾
Start by reading the code with an OBD2 scanner, then follow the interactive decision tree on this page. Priority causes to check: Faulty sensor or actuator in the affected circuit, Damaged wiring or connector, Corroded connector, Faulty control module. Difficulty: Medium · Estimated time: 30-60min.