OBD Guide
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U2113

Lost Communication With Sensing And Diagnostic Module

U2113 is an OBD-II diagnostic trouble code meaning: Lost Communication With Sensing And Diagnostic Module. Common causes: open or short circuit in the sdm power circuit, damage to module wiring harness. Estimated repair cost: $56–278.

Severity
🚨 Critical
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–278 (est.)

Symptoms

  • Airbag light is on
  • Passive safety systems do not work
  • Other related errors may appear
  • Possible problems starting the engine
  • A fault message appears on the dashboard

Causes

  • Open or short circuit in the SDM power circuit
  • Damage to module wiring harness
  • Malfunction of the SDM module itself
  • Body Control Module (BCM) Problems
  • Corrosion or poor contact in connectors

How to Fix

  1. Check fuses related to the security system
  2. Inspect the SDM wiring harness and connectors
  3. Check the power supply and ground of the module
  4. Scan the system for other errors
  5. Repair only from an authorized dealer

Related codes

U2100U2101U2105

FAQ

What does the U2113 code mean?

U2113 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Sensing And Diagnostic Module

What causes a U2113 error code?

The most common causes of U2113 include: Open or short circuit in the SDM power circuit; Damage to module wiring harness; Malfunction of the SDM module itself; Body Control Module (BCM) Problems.

How do I fix a U2113 diagnostic trouble code?

To fix U2113: Check fuses related to the security system. Inspect the SDM wiring harness and connectors. Check the power supply and ground of the module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U2113?

Do not drive — repair immediately

How much does it cost to fix U2113?

The estimated repair cost for U2113 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat