OBD Guide

U1051

Local Interconnect Network Communication

U1051 is an OBD-II diagnostic trouble code meaning: Local Interconnect Network Communication. Common causes: broken or damaged lin bus wires, short circuit in the circuit. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • Some electronic components do not work
  • Check Engine Light Is On
  • Errors in the operation of comfort systems
  • Sensor malfunctions

Causes

  • Broken or damaged LIN bus wires
  • Short circuit in the circuit
  • Fault in one of the connected modules
  • Problems with module power supply
  • Contact corrosion

How to Fix

  1. Check the integrity of the LIN bus wiring harness
  2. Check connections and contacts
  3. Diagnose connected modules
  4. Check power supply of modules
  5. Replace damaged components

Related codes

FAQ

What does the U1051 code mean?

U1051 is an OBD-II diagnostic trouble code that indicates: Local Interconnect Network Communication

What causes a U1051 error code?

The most common causes of U1051 include: Broken or damaged LIN bus wires; Short circuit in the circuit; Fault in one of the connected modules; Problems with module power supply.

How do I fix a U1051 diagnostic trouble code?

To fix U1051: Check the integrity of the LIN bus wiring harness. Check connections and contacts. Diagnose connected modules. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1051?

Yes, but get it checked soon

How much does it cost to fix U1051?

The estimated repair cost for U1051 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat