C1098 Code: ABS Hydraulic Pump Motor Circuit Short to Battery
🟠 Moderate severity · drivable
Drivable — standard brakes still work — but ABS is disabled, so drive cautiously and fix it soon.
What C1098 means
The ABS hydraulic pump motor circuit is shorted to battery voltage, so the pump that builds brake pressure for the anti-lock system isn't working correctly. ABS is disabled; regular brakes still function.
Symptoms
- ABS warning light on
- ABS disabled (no pulsing during hard stops)
Common causes
- most common: Wiring shorted to battery voltage
- common: Faulty ABS pump motor
- less common: Faulty ABS control module
How to fix it
| Fix | DIY? | Typical cost |
|---|---|---|
| Repair wiring shorted to battery | Mechanic | $50–150 |
| Replace the ABS pump motor or hydraulic unit | Mechanic | $400–1200 |
Frequently asked questions
Can I drive with a C1098 code?
Yes, regular brakes still work, but ABS is disabled. Drive cautiously.
What is the most common cause of C1098?
Wiring shorted to battery voltage in the ABS pump circuit.
How much does it cost to fix a C1098?
$50–$150 for wiring, or $400–$1,200 for a pump motor.
Related codes
C1095
C1095 Code: ABS Hydraulic Pump Motor Circuit Failure
C1096C1096 Code: ABS Hydraulic Pump Motor Circuit Open
C1097C1097 Code: ABS Hydraulic Pump Motor Circuit Short to Ground
Updated 2026-08. This page is informational and not a substitute for professional diagnosis.