What does code C0269 mean?

Q: What does code C0269 mean?

Brake Vacuum Sensor. C0269 indicates that the electronic brake control module has detected an implausible signal from the brake vacuum sensor, which monitors the vacuum level in the brake booster circuit. The computer compares this sensor's voltage to expected values under current engine load and braking conditions, and it sets the code when the reading falls outside the acceptable range.

DTC codes / C02xx · Brakes, steering and suspension / C0269

C0269Brake Vacuum Sensor

C0269 indicates that the electronic brake control module has detected an implausible signal from the brake vacuum sensor, which monitors the vacuum level in the brake booster circuit. The computer compares this sensor's voltage to expected values under current engine load and braking conditions, and it sets the code when the reading falls outside the acceptable range.

SystemChassis

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaBrakes, steering and suspension

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.