OBD Guide

P0576

Cruise Control Input Circuit Low

P0576 is an OBD-II diagnostic trouble code meaning: Cruise Control Input Circuit Low. Common causes: open or short circuit in the cruise control wiring harness, oxidized or damaged connector contacts. Estimated repair cost: $22–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–167 (est.)

Symptoms

  • Cruise control doesn't work
  • Cruise control turns off spontaneously
  • Check Engine light comes on
  • Floating idle speed (in rare cases)

Causes

  • Open or short circuit in the cruise control wiring harness
  • Oxidized or damaged connector contacts
  • Faulty cruise control switches on the steering wheel
  • Problems with the cruise control module
  • Malfunction of the brake pedal (brake light switch)
  • Problems with the ECU

How to Fix

  1. Visual inspection of the wiring harness and contacts for damage
  2. Checking the cruise control switches with a multimeter
  3. Control Circuit Voltage Testing
  4. Diagnostics of the cruise control module
  5. Checking and replacing (if necessary) the brake light switch
  6. Resetting the error and checking the system functionality
  7. Flashing the ECU (in extreme cases)

Related codes

Error P0576 by Vehicle Brand

FAQ

What does the P0576 code mean?

P0576 is an OBD-II diagnostic trouble code that indicates: Cruise Control Input Circuit Low

What causes a P0576 error code?

The most common causes of P0576 include: Open or short circuit in the cruise control wiring harness; Oxidized or damaged connector contacts; Faulty cruise control switches on the steering wheel; Problems with the cruise control module.

How do I fix a P0576 diagnostic trouble code?

To fix P0576: Visual inspection of the wiring harness and contacts for damage. Checking the cruise control switches with a multimeter. Control Circuit Voltage Testing. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0576?

Limited driving only, diagnose soon

How much does it cost to fix P0576?

The estimated repair cost for P0576 is $22–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat