OBD Guide
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U1006

Invalid Or Missing Data For Primary Id

U1006 is an OBD-II diagnostic trouble code meaning: Invalid Or Missing Data For Primary Id. Common causes: problems with the can bus (open or short circuit), main control unit (ecu) malfunction. Estimated repair cost: ~$167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
~$167 (est.)

Symptoms

  • Check Engine Light Is On
  • Incorrect operation of some vehicle systems
  • Floating engine speed
  • Power Loss
  • Errors in other systems

Causes

  • Problems with the CAN bus (open or short circuit)
  • Main control unit (ECU) malfunction
  • Problems with power supply of electronic modules
  • Corroded or damaged connectors
  • Software error in the module

How to Fix

  1. Check the integrity of the CAN bus and its connectors
  2. Scan all modules for errors
  3. Check power supply and ground of electronic modules
  4. Update module software
  5. Carry out diagnostics of the main control unit

Related codes

U1000U1010U0121

FAQ

What does the U1006 code mean?

U1006 is an OBD-II diagnostic trouble code that indicates: Invalid Or Missing Data For Primary Id

What causes a U1006 error code?

The most common causes of U1006 include: Problems with the CAN bus (open or short circuit); Main control unit (ECU) malfunction; Problems with power supply of electronic modules; Corroded or damaged connectors.

How do I fix a U1006 diagnostic trouble code?

To fix U1006: Check the integrity of the CAN bus and its connectors. Scan all modules for errors. Check power supply and ground of electronic modules. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1006?

Yes, but get it checked soon

How much does it cost to fix U1006?

The estimated repair cost for U1006 is ~$167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat