C0269Brake Vacuum Sensor
The brake control module has detected an implausible signal from the vacuum sensor on the brake booster. Modern systems monitor booster vacuum to ensure brake assist is available, especially with stop-start engines and electric vacuum pumps.
Can I keep driving? Yes
You can keep driving normally. Schedule a check soon so emissions and performance are not affected.
Sistema Afectado
Chasis · ABS, frenos y suspensión
Afecta el chasis: sensores ABS, control de tracción, frenos o suspensión.
Espacio para vendedores de repuestos
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Symptoms You Will Notice
What you may observe when this code appears
- ABS warning light on ESC/stability control deactivated Possible reduced brake assist Speedometer may behave erratically
Possible Causes
The components or conditions that trigger this code
- 1Vacuum sensor failed Leak in vacuum supply line Vacuum pump weak
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Difficulty: medium. Estimated time: 0.5-3 hours. Estimated cost: €100-€
- 2Professional repair recommended
Note: This information is for general reference. For precise diagnostics and safety repairs, always consult a certified mechanic.
Estimated Cost
Approximate range in USD (varies by region and shop)
ABS / brake sensors
* Diagnosis only: $50–$150
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