OBD Guide

U183E

Lost Communication With Telematics Communication Interface Control Module On Low Speed CAN Bus

U183E is an OBD-II diagnostic trouble code meaning: Lost Communication With Telematics Communication Interface Control Module On Low Speed CAN Bus. Common causes: open or short circuit in the can bus wiring, telematics module malfunction. Estimated repair cost: $56–222.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Telematics functions do not work (e.g. emergency call)
  • Error message on the dashboard
  • Problems connecting to car mobile services
  • Lack of remote access to vehicle data

Causes

  • Open or short circuit in the CAN bus wiring
  • Telematics module malfunction
  • Telematics module power supply problems
  • Corrosion of contacts in connectors
  • Problems with the main ECU

How to Fix

  1. Check the integrity of the CAN bus wiring
  2. Check the power supply and grounding of the telematics module
  3. Inspect connectors for corrosion or damage
  4. Scan the telematics module for errors
  5. If necessary, replace the telematics module
  6. Repair only from an authorized dealer

Related codes

FAQ

What does the U183E code mean?

U183E is an OBD-II diagnostic trouble code that indicates: Lost Communication With Telematics Communication Interface Control Module On Low Speed CAN Bus

What causes a U183E error code?

The most common causes of U183E include: Open or short circuit in the CAN bus wiring; Telematics module malfunction; Telematics module power supply problems; Corrosion of contacts in connectors.

How do I fix a U183E diagnostic trouble code?

To fix U183E: Check the integrity of the CAN bus wiring. Check the power supply and grounding of the telematics module. Inspect connectors for corrosion or damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U183E?

Yes, but get it checked soon

How much does it cost to fix U183E?

The estimated repair cost for U183E is $56–222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat