OBD Guide
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P1639

Vehicle ID Block Corrupted Or Not Programmed

P1639 is an OBD-II diagnostic trouble code meaning: Vehicle ID Block Corrupted Or Not Programmed. Common causes: data corruption in the identification block, unprogrammed identification block. Estimated repair cost: $56–278.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–278 (est.)

Symptoms

  • Check Engine light comes on
  • Problems starting the engine
  • Limited vehicle functionality
  • Malfunctions of electronic systems

Causes

  • Data corruption in the identification block
  • Unprogrammed identification block
  • ECU software failure
  • Problems with ECU power supply
  • Physical damage to the ECU

How to Fix

  1. Check power supply and grounding of the ECU
  2. Read and analyze errors using a diagnostic scanner
  3. Reprogram the identification block
  4. If necessary, replace the ECU
  5. Contact an official dealer for reflashing

Related codes

P1635P1637P1640

Error P1639 by Vehicle Brand

BMWBuickCadillacChevroletFordGMGMCLincolnMercuryOldsmobileSaturnVolkswagen

FAQ

What does the P1639 code mean?

P1639 is an OBD-II diagnostic trouble code that indicates: Vehicle ID Block Corrupted Or Not Programmed

What causes a P1639 error code?

The most common causes of P1639 include: Data corruption in the identification block; Unprogrammed identification block; ECU software failure; Problems with ECU power supply.

How do I fix a P1639 diagnostic trouble code?

To fix P1639: Check power supply and grounding of the ECU. Read and analyze errors using a diagnostic scanner. Reprogram the identification block. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1639?

Do not drive — repair immediately

How much does it cost to fix P1639?

The estimated repair cost for P1639 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

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