OBD Guide

P1606

VVEL Control Module

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$89–500 (est.)

Symptoms

  • Reduced engine power
  • Rough idling
  • Increased fuel consumption
  • Check Engine Indication
  • Dips during acceleration

Causes

  • VVEL control module malfunction
  • Open or short circuit in wiring
  • Module power problems
  • Mechanical damage to the VVEL system
  • ECU software error

How to Fix

  1. Check the integrity of the wiring to the VVEL module
  2. Check the power supply and ground of the module
  3. Scan VVEL module for errors
  4. If necessary, replace the VVEL control module
  5. Update ECU software

Related codes

Error P1606 by Vehicle Brand