OBD Guide
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U1107

Invalid Or Missing Data For Legislated Diagnostics

U1107 is an OBD-II diagnostic trouble code meaning: Invalid Or Missing Data For Legislated Diagnostics. Common causes: can bus fault, problems with the module responsible for diagnostics. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Check Engine light comes on
  • Possible problems connecting diagnostic equipment
  • The car may go into emergency mode
  • Reduced engine power
  • Loss of data in the on-board computer

Causes

  • CAN bus fault
  • Problems with the module responsible for diagnostics
  • Open or short circuit in wiring harness
  • Software error in the ECU
  • Corrosion of contacts in the diagnostic connector

How to Fix

  1. Check CAN bus connections
  2. Scan all modules for errors
  3. Check the integrity of the wiring harnesses
  4. Update ECU software
  5. Check the diagnostic connector for corrosion

Related codes

U1108U1109U1110

FAQ

What does the U1107 code mean?

U1107 is an OBD-II diagnostic trouble code that indicates: Invalid Or Missing Data For Legislated Diagnostics

What causes a U1107 error code?

The most common causes of U1107 include: CAN bus fault; Problems with the module responsible for diagnostics; Open or short circuit in wiring harness; Software error in the ECU.

How do I fix a U1107 diagnostic trouble code?

To fix U1107: Check CAN bus connections. Scan all modules for errors. Check the integrity of the wiring harnesses. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1107?

Yes, but get it checked soon

How much does it cost to fix U1107?

The estimated repair cost for U1107 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat