P0525
Cruise Control Servo Control Circuit Range or Performance
The control circuit to the cruise control servo (vacuum or electric actuator that holds throttle position) shows feedback in plausible range yet inconsistent with the commanded action - servo slow, sticking, or supply weak.
The control circuit to the cruise control servo (vacuum or electric actuator that holds throttle position) shows feedback in plausible range yet inconsistent with the commanded action - servo slow, sticking, or supply weak.
Common causes
- high
Servo response slow due to wear
One of the most commonly reported causes for this code — check this first.
Typical part cost: $130-550
- medium
Vacuum supply low (vacuum servo)
A plausible cause — test and verify before replacing parts.
Typical part cost: $130-550
See all causes + fix costs
Create a free Wrenchify account to unlock the rest for P0525.
Unlock causesFree forever · No credit card
First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
Get the full step-by-step diagnosis
Create a free Wrenchify account to unlock the rest for P0525.
Unlock diagnosisFree forever · No credit card
Related codes
See related trouble codes
Create a free Wrenchify account to unlock the rest for P0525.
Unlock related codesFree forever · No credit card
Frequently asked questions
What does P0525 mean?
P0525 means "Cruise Control Servo Control Circuit Range or Performance". It is a generic OBD-II code that points to a fault in the vehicle speed, idle control, auxiliary inputs.
What are the most common causes of P0525?
servo response slow due to wear; vacuum supply low (vacuum servo) — 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.
Can I keep driving with this code?
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.
Get the full P0525 diagnosis for your vehicle
Year, make, model + step-by-step repair help — free plan included.