OBD Guide

U1024

VVEL Control Module CAN Communication

U1024 is an OBD-II diagnostic trouble code meaning: VVEL Control Module CAN Communication. Common causes: vvel control module malfunction, open or short circuit in the can bus circuit. Estimated repair cost: $56–167.

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

Symptoms

  • Check Engine light comes on
  • Deterioration of vehicle dynamics
  • Increased fuel consumption
  • Unstable engine operation at idle
  • Engine power limitation

Causes

  • VVEL control module malfunction
  • Open or short circuit in the CAN bus circuit
  • Damage to the VVEL module wiring harness
  • Corrosion of connector contacts
  • VVEL module power supply problems

How to Fix

  1. Check the integrity of the wiring and connectors of the VVEL module
  2. Check the supply voltage and ground of the VVEL module
  3. Scan the CAN bus for communication errors
  4. Check or replace VVEL control module
  5. Update VVEL module software

Related codes

FAQ

What does the U1024 code mean?

U1024 is an OBD-II diagnostic trouble code that indicates: VVEL Control Module CAN Communication

What causes a U1024 error code?

The most common causes of U1024 include: VVEL control module malfunction; Open or short circuit in the CAN bus circuit; Damage to the VVEL module wiring harness; Corrosion of connector contacts.

How do I fix a U1024 diagnostic trouble code?

To fix U1024: Check the integrity of the wiring and connectors of the VVEL module. Check the supply voltage and ground of the VVEL module. Scan the CAN bus for communication errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1024?

Limited driving only, diagnose soon

How much does it cost to fix U1024?

The estimated repair cost for U1024 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat