
Basic checks
Veepeak OBDCheck BLE
A Bluetooth LE adapter for reading standard engine codes and supported live data.
View on AmazonPark Brake Apply Performance
The EPB module has detected that the apply operation took longer than expected or did not reach the target clamp force. Causes include corroded actuators, low battery voltage or worn brake pads.
The EPB module has detected that the apply operation took longer than expected or did not reach the target clamp force. Causes include corroded actuators, low battery voltage or worn brake pads.
One of the most commonly reported causes for this code — check this first.
Typical part cost: $170-990
A plausible cause — test and verify before replacing parts.
Typical part cost: $170-990
Create a free Wrenchify account to unlock the rest for C0581.
Unlock causesFree forever · No credit card
Create a free Wrenchify account to unlock the rest for C0581.
Unlock diagnosisFree forever · No credit card
Already have a compatible scanner? Use it. If not, a Bluetooth OBD2 adapter can help you confirm engine codes and check supported live sensor data before replacing parts.

Basic checks
A Bluetooth LE adapter for reading standard engine codes and supported live data.
View on Amazon
Regular diagnostics
A Bluetooth LE adapter with an automatic sleep feature for routine code and sensor checks.
View on Amazon
Another option
A Bluetooth LE adapter to consider when comparing supported vehicles and diagnostic apps.
View on AmazonIllustrations shown, not product photos. Check vehicle, phone and app compatibility before buying. These adapters do not guarantee access to ABS, airbags or manufacturer-specific systems. Clearing a code does not repair the fault and can reset emissions readiness monitors.
As an Amazon Associate, Wrenchify earns from qualifying purchases. This supports the app at no extra cost to you.
Create a free Wrenchify account to unlock the rest for C0581.
Unlock related codesFree forever · No credit card
C0581 means "Park Brake Apply Performance". It is a generic OBD-II code that points to a fault in the chassis.
actuator corroded or sluggish; brake pads worn beyond limit; low system voltage during apply — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
Year, make, model + step-by-step repair help — free plan included.