OBD Guide

C0602

Active Air Dam Control Circuit Low

C0602 is an OBD-II diagnostic trouble code meaning: Active Air Dam Control Circuit Low. Common causes: open or short circuit in wiring harness, malfunction of the spoiler solenoid valve (solenoid). Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Active spoiler not working
  • Reduced aerodynamic efficiency
  • Check Engine Light Illuminates

Causes

  • Open or short circuit in wiring harness
  • Malfunction of the spoiler solenoid valve (solenoid)
  • Corrosion of connectors
  • Problems with the control module

How to Fix

  1. Checking the integrity of the wiring harness
  2. Solenoid Resistance Diagnosis
  3. Cleaning connector contacts
  4. Checking the voltage in the circuit
  5. Replacing faulty components

Related codes

Error C0602 by Vehicle Brand

FAQ

What does the C0602 code mean?

C0602 is an OBD-II diagnostic trouble code that indicates: Active Air Dam Control Circuit Low

What causes a C0602 error code?

The most common causes of C0602 include: Open or short circuit in wiring harness; Malfunction of the spoiler solenoid valve (solenoid); Corrosion of connectors; Problems with the control module.

How do I fix a C0602 diagnostic trouble code?

To fix C0602: Checking the integrity of the wiring harness. Solenoid Resistance Diagnosis. Cleaning connector contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0602?

Limited driving only, diagnose soon

How much does it cost to fix C0602?

The estimated repair cost for C0602 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat