OBD Guide
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P1606

VVEL Control Module

P1606 is an OBD-II diagnostic trouble code meaning: VVEL Control Module. Common causes: vvel control module malfunction, open or short circuit in wiring. Estimated repair cost: $89–500.

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

P0010P0011P0012P0013

Error P1606 by Vehicle Brand

BuickCadillacChevroletGMGMCJaguarKiaOldsmobileSaturnVolkswagen

FAQ

What does the P1606 code mean?

P1606 is an OBD-II diagnostic trouble code that indicates: VVEL Control Module

What causes a P1606 error code?

The most common causes of P1606 include: VVEL control module malfunction; Open or short circuit in wiring; Module power problems; Mechanical damage to the VVEL system.

How do I fix a P1606 diagnostic trouble code?

To fix P1606: Check the integrity of the wiring to the VVEL module. Check the power supply and ground of the module. Scan VVEL module for errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1606?

Limited driving only, diagnose soon

How much does it cost to fix P1606?

The estimated repair cost for P1606 is $89–500. Actual cost depends on your vehicle, location, and labor rates.

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