P0525

Cruise Control Servo Control Circuit Range/Performance

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

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
Test the operation of the cruise control servomotor
If necessary, replace the servo drive or repair the wiring harness
Check and clean connector contacts
Check the quality of the chain mass

Related codes

P0505 P0560 P0571