OBD Guide

U3002

Vehicle Identification Number

U3002 is an OBD-II diagnostic trouble code meaning: Vehicle Identification Number. Common causes: ecu software failure, corrupt vin data in memory. Estimated repair cost: $56โ€“278.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$56โ€“278 (est.)

Symptoms

  • Check Engine light comes on
  • Problems with vehicle recognition by diagnostic equipment
  • Inability to activate some functions
  • Immobilizer activation

Causes

  • ECU software failure
  • Corrupt VIN data in memory
  • Problems with communication between modules
  • Malfunction of the module storing VIN
  • Attempting to change VIN

How to Fix

  1. Check connections and wiring harnesses
  2. Read and check the correctness of VIN using diagnostic equipment
  3. Reflash the ECU with VIN restoration
  4. Replace the module storing VIN if necessary
  5. Repair only from an authorized dealer

Related codes

Error U3002 by Vehicle Brand

FAQ

What does the U3002 code mean?

U3002 is an OBD-II diagnostic trouble code that indicates: Vehicle Identification Number

What causes a U3002 error code?

The most common causes of U3002 include: ECU software failure; Corrupt VIN data in memory; Problems with communication between modules; Malfunction of the module storing VIN.

How do I fix a U3002 diagnostic trouble code?

To fix U3002: Check connections and wiring harnesses. Read and check the correctness of VIN using diagnostic equipment. Reflash the ECU with VIN restoration. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U3002?

Do not drive โ€” repair immediately

How much does it cost to fix U3002?

The estimated repair cost for U3002 is $56โ€“278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat