OBD Guide
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U1090

Invalid Or Missing Data For Non-Legislated Diagnostics

U1090 is an OBD-II diagnostic trouble code meaning: Invalid Or Missing Data For Non-Legislated Diagnostics. Common causes: problems with the can bus, malfunction of one of the electronic modules. Estimated repair cost: $17–111.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–111 (est.)

Symptoms

  • Check Engine light comes on
  • Problems with the operation of some car systems
  • Unstable engine operation
  • Errors in other modules

Causes

  • Problems with the CAN bus
  • Malfunction of one of the electronic modules
  • Wiring harness damage
  • Software failures in the control unit
  • Poor contact in connectors

How to Fix

  1. Check CAN bus connections
  2. Scan all modules for errors
  3. Check the integrity of the wiring harness
  4. Update module software
  5. Replace the faulty module if necessary

Related codes

U1088U1091U1092

FAQ

What does the U1090 code mean?

U1090 is an OBD-II diagnostic trouble code that indicates: Invalid Or Missing Data For Non-Legislated Diagnostics

What causes a U1090 error code?

The most common causes of U1090 include: Problems with the CAN bus; Malfunction of one of the electronic modules; Wiring harness damage; Software failures in the control unit.

How do I fix a U1090 diagnostic trouble code?

To fix U1090: Check CAN bus connections. Scan all modules for errors. Check the integrity of the wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1090?

Yes, but get it checked soon

How much does it cost to fix U1090?

The estimated repair cost for U1090 is $17–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat