C0637
Brake Pressure Sensor G Circuit Low
C0637 is an OBD-II diagnostic trouble code meaning: Brake Pressure Sensor G Circuit Low. Common causes: open or short circuit in the sensor wiring harness, brake pressure sensor fault g. Estimated repair cost: $56–167.
Symptoms
- ABS or ESP indicator is on
- Reduced braking performance
- Activating the emergency brake system
Causes
- Open or short circuit in the sensor wiring harness
- Brake pressure sensor fault G
- Poor contact in the sensor connector
- Problems with power or grounding of the sensor
How to Fix
- Check the integrity of the sensor wiring harness
- Check sensor connectors for corrosion or damage.
- Measure resistance and voltage at the sensor
- If necessary, replace brake pressure sensor G
Related codes
Error C0637 by Vehicle Brand
FAQ
What does the C0637 code mean?
C0637 is an OBD-II diagnostic trouble code that indicates: Brake Pressure Sensor G Circuit Low
What causes a C0637 error code?
The most common causes of C0637 include: Open or short circuit in the sensor wiring harness; Brake pressure sensor fault G; Poor contact in the sensor connector; Problems with power or grounding of the sensor.
How do I fix a C0637 diagnostic trouble code?
To fix C0637: Check the integrity of the sensor wiring harness. Check sensor connectors for corrosion or damage.. Measure resistance and voltage at the sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C0637?
Limited driving only, diagnose soon
How much does it cost to fix C0637?
The estimated repair cost for C0637 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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