C0269Medium urgency

Excessive Dump/Isolation Time

Chassis · ABS System

⚠️ Fix soon — ABS modulation timing is off.

What this means

The ABS system is taking too long to complete its brake pressure dump or isolation cycles. Indicates a slow-reacting or failing ABS solenoid valve or a restriction in the brake hydraulic system.

Likely causes

Failing ABS solenoid valveMost common
Air in brake linesCommon
Contaminated brake fluidCommon

Estimated repair cost

ABS solenoid valve replacement$100 – $400

Brake fluid flush$80 – $150

ABS HCU replacement$400 – $1,200

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Frequently asked questions

What does C0269 mean?

The ABS system is taking too long to complete its brake pressure dump or isolation cycles. Indicates a slow-reacting or failing ABS solenoid valve or a restriction in the brake hydraulic system.

Is C0269 serious?

Fix soon — ABS modulation timing is off.

How much does it cost to fix C0269?

Repair costs for C0269 range from $100 – $400 depending on the root cause and your vehicle.

Can I drive with C0269?

You can drive short distances but should have it repaired within 1-2 weeks to prevent further damage.