OBD Guide

P0525

Cruise Control Servo Control Circuit Range/Performance

P0525 is an OBD-II diagnostic trouble code meaning: Cruise Control Servo Control Circuit Range/Performance. Common causes: open or short circuit in servo control circuit, cruise control servomotor malfunction. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Disabling the cruise control system
  • Inability to activate cruise control
  • Cruise control indicator flashing
  • Unstable operation of cruise control when turned on

Causes

  • Open or short circuit in servo control circuit
  • Cruise control servomotor malfunction
  • Problems with wiring harness or contacts
  • Malfunction of the cruise control control unit
  • Corrosion or poor connection in connectors
  • Chain ground problems

How to Fix

  1. Carry out diagnostics with a scanner to clarify the circuit parameters
  2. Visually check the condition of the wiring harness and contacts
  3. Check the resistance and voltage in the servo control circuit
  4. Test the operation of the cruise control servomotor
  5. If necessary, replace the servo drive or repair the wiring harness
  6. Check and clean connector contacts
  7. Check the quality of the chain mass

Related codes

Error P0525 by Vehicle Brand

FAQ

What does the P0525 code mean?

P0525 is an OBD-II diagnostic trouble code that indicates: Cruise Control Servo Control Circuit Range/Performance

What causes a P0525 error code?

The most common causes of P0525 include: Open or short circuit in servo control circuit; Cruise control servomotor malfunction; Problems with wiring harness or contacts; Malfunction of the cruise control control unit.

How do I fix a P0525 diagnostic trouble code?

To fix P0525: Carry out diagnostics with a scanner to clarify the circuit parameters. Visually check the condition of the wiring harness and contacts. Check the resistance and voltage in the servo control circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0525?

Yes, but get it checked soon

How much does it cost to fix P0525?

The estimated repair cost for P0525 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat