Brake Pressure Sensor J Range/Performance

Where it lives

For C0640, start at the sensor the description names.

Check these first

• A brake pressure sensor J that reads out of range
• A failed brake pressure sensor J
• An open or short in the brake pressure sensor J circuit
• A failed electronic brake control module

What to do next

1. Read brake pressure sensor J on a scan tool
2. Inspect the brake pressure sensor J connector and wiring
3. Test the sensor J circuit under pressure
4. Compare the sensor J reading against a known value
5. Replace brake pressure sensor J if it stays out of range
6. Clear the code and retest

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