OBD Guide
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U1181

Invalid Or Missing Data For Personalization Features

U1181 is an OBD-II diagnostic trouble code meaning: Invalid Or Missing Data For Personalization Features. Common causes: memory module failure, problems with the can bus. Estimated repair cost: ~$56.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
~$56 (est.)

Symptoms

  • Resetting personalized settings when turning off the ignition
  • Inability to save new settings
  • Error message on display
  • Lack of access to some comfort features

Causes

  • Memory module failure
  • Problems with the CAN bus
  • Software failure
  • Corrupt configuration data
  • Module power problems

How to Fix

  1. Check fault codes in other modules
  2. Scan the CAN bus for communication errors
  3. Update module software
  4. Check power supply and grounding of the memory module
  5. Reset and reconfigure personalized features

Related codes

U1180U1182U1183

FAQ

What does the U1181 code mean?

U1181 is an OBD-II diagnostic trouble code that indicates: Invalid Or Missing Data For Personalization Features

What causes a U1181 error code?

The most common causes of U1181 include: Memory module failure; Problems with the CAN bus; Software failure; Corrupt configuration data.

How do I fix a U1181 diagnostic trouble code?

To fix U1181: Check fault codes in other modules. Scan the CAN bus for communication errors. Update module software. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1181?

Yes, but get it checked soon

How much does it cost to fix U1181?

The estimated repair cost for U1181 is ~$56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat