ABS Hydraulic Pump Motor Circuit Short To Ground

Where it lives

For C1097, the circuit described runs through the pump. The description of C1097 reports the pump as shorted.

Check these first

• A short to ground in the ABS hydraulic pump motor circuit
• A failed ABS hydraulic pump motor
• A poor electrical connection at the pump motor connector
• Low brake fluid

What to do next

1. Check the brake fluid level
2. Read the ABS pump motor status on a scan tool
3. Inspect the pump motor wiring for chafing
4. Test the pump motor circuit for a short to ground
5. Replace the ABS hydraulic pump motor if the circuit tests good
6. Clear the code and retest

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