OBD Guide
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U1105

Invalid Or Missing Data For Chassis Status Request

U1105 is an OBD-II diagnostic trouble code meaning: Invalid Or Missing Data For Chassis Status Request. Common causes: damage to the can bus wiring harness, one of the chassis modules is faulty. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Check Engine light comes on
  • Possible malfunctions of chassis systems
  • Loss of data in the on-board computer
  • Unstable suspension operation
  • Errors in other related systems

Causes

  • Damage to the CAN bus wiring harness
  • One of the chassis modules is faulty
  • Poor contact in connectors
  • Problems with module power supply
  • Software failure in the ECU

How to Fix

  1. Check the integrity of the wiring harnesses
  2. Diagnose chassis modules
  3. Check CAN bus connections
  4. Scan all ECUs for errors
  5. Update ECU software if necessary

Related codes

U1100U1101U1106

FAQ

What does the U1105 code mean?

U1105 is an OBD-II diagnostic trouble code that indicates: Invalid Or Missing Data For Chassis Status Request

What causes a U1105 error code?

The most common causes of U1105 include: Damage to the CAN bus wiring harness; One of the chassis modules is faulty; Poor contact in connectors; Problems with module power supply.

How do I fix a U1105 diagnostic trouble code?

To fix U1105: Check the integrity of the wiring harnesses. Diagnose chassis modules. Check CAN bus connections. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1105?

Limited driving only, diagnose soon

How much does it cost to fix U1105?

The estimated repair cost for U1105 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat