OBD Codes List

Diagnostic reference · C1096

C1096

ABS Hydraulic Pump Motor Circuit Open

System
Chassis control (C code)
Lamp
ABS Light
Category
Chassis

What it means

C1096 means ABS Hydraulic Pump Motor Circuit Open.

Where it lives

For C1096, the pump sits on the circuit this code reports. The description of C1096 reports the pump as open.

Check these first

  • An open 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 connector and wiring for breaks
  4. Test the pump motor circuit for an open
  5. Replace the ABS hydraulic pump motor if the circuit tests good
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.