C1003
Tire Pressure Monitoring Sensor Battery Low
C1003 is an OBD-II diagnostic trouble code meaning: Tire Pressure Monitoring Sensor Battery Low. Common causes: discharge of the built-in battery of the pressure sensor, malfunction of the pressure sensor itself. Estimated repair cost: $56–167.
Symptoms
- Tire pressure indicator on the dashboard
- Error C1003 in the diagnostic system
- Missing pressure data for one or more tires
- Unstable operation of the TPMS system
Causes
- Discharge of the built-in battery of the pressure sensor
- Malfunction of the pressure sensor itself
- Problems with the TPMS wiring harness or antenna
- Mechanical damage to the sensor (corrosion, shock)
How to Fix
- TPMS system diagnostics to determine the specific faulty sensor
- Replacing a damaged tire pressure sensor
- Programming a new sensor (if required)
- Checking the system for error codes
- Resetting error C1003 after repair
Related codes
FAQ
What does the C1003 code mean?
C1003 is an OBD-II diagnostic trouble code that indicates: Tire Pressure Monitoring Sensor Battery Low
What causes a C1003 error code?
The most common causes of C1003 include: Discharge of the built-in battery of the pressure sensor; Malfunction of the pressure sensor itself; Problems with the TPMS wiring harness or antenna; Mechanical damage to the sensor (corrosion, shock).
How do I fix a C1003 diagnostic trouble code?
To fix C1003: TPMS system diagnostics to determine the specific faulty sensor. Replacing a damaged tire pressure sensor. Programming a new sensor (if required). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1003?
Limited driving only, diagnose soon
How much does it cost to fix C1003?
The estimated repair cost for C1003 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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