OBD Guide
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U2112

Lost Communication With Electronic Suspension Control Module

U2112 is an OBD-II diagnostic trouble code meaning: Lost Communication With Electronic Suspension Control Module. Common causes: broken or damaged wires in the communication circuit, poor contact in suspension module connectors. Estimated repair cost: $56–278.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Check Engine Light Is On
  • Suspension operates in emergency mode (harder than usual)
  • There is no adaptation of the suspension to road conditions
  • Error message on the dashboard
  • Body height adjustment does not work (if provided)

Causes

  • Broken or damaged wires in the communication circuit
  • Poor contact in suspension module connectors
  • Electronic suspension module malfunction
  • Problems with module power supply (blown fuse)
  • Vehicle CAN bus malfunction

How to Fix

  1. Check fuses associated with the suspension system
  2. Inspect the connectors and wiring harness to the suspension module
  3. Check the integrity of the CAN bus with a multimeter
  4. Scan the suspension module for internal errors
  5. If necessary, replace the electronic suspension module

Related codes

U2100U2101U2111

FAQ

What does the U2112 code mean?

U2112 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Electronic Suspension Control Module

What causes a U2112 error code?

The most common causes of U2112 include: Broken or damaged wires in the communication circuit; Poor contact in suspension module connectors; Electronic suspension module malfunction; Problems with module power supply (blown fuse).

How do I fix a U2112 diagnostic trouble code?

To fix U2112: Check fuses associated with the suspension system. Inspect the connectors and wiring harness to the suspension module. Check the integrity of the CAN bus with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U2112?

Limited driving only, diagnose soon

How much does it cost to fix U2112?

The estimated repair cost for U2112 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat