OBD Guide
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U1214

Invalid Or Missing Data For Primary Id

U1214 is an OBD-II diagnostic trouble code meaning: Invalid Or Missing Data For Primary Id. Common causes: problems with can bus wiring, malfunction of one of the ecus. 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
  • Errors in the infotainment system
  • Reduced engine performance
  • Problems with diagnostics via OBD-II

Causes

  • Problems with CAN bus wiring
  • Malfunction of one of the ECUs
  • Corrosion or poor contact in connectors
  • Problems with module power supply
  • Software error in one of the ECUs

How to Fix

  1. Check the integrity of the CAN bus and connection
  2. Inspect connectors and contacts for corrosion
  3. Check power supply of all connected modules
  4. Scan all modules for additional errors
  5. If necessary, reflash or replace the faulty ECU

Related codes

U1213U1215U1216

FAQ

What does the U1214 code mean?

U1214 is an OBD-II diagnostic trouble code that indicates: Invalid Or Missing Data For Primary Id

What causes a U1214 error code?

The most common causes of U1214 include: Problems with CAN bus wiring; Malfunction of one of the ECUs; Corrosion or poor contact in connectors; Problems with module power supply.

How do I fix a U1214 diagnostic trouble code?

To fix U1214: Check the integrity of the CAN bus and connection. Inspect connectors and contacts for corrosion. Check power supply of all connected modules. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1214?

Yes, but get it checked soon

How much does it cost to fix U1214?

The estimated repair cost for U1214 is ~$167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat