OBD Guide

U0058

Vehicle Communication Bus D (+) Low

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • Unstable operation of electronic systems
  • The indicator light on the dashboard comes on
  • Lost connection with some modules
  • Problems starting the engine
  • Infotainment system malfunctions

Causes

  • Open or short circuit in the positive line of the CAN D bus
  • Oxidation of contacts in connectors
  • Fault in one of the modules connected to the bus
  • Wiring harness damage
  • Problems with module power supply

How to Fix

  1. Check the integrity of the CAN D bus wiring
  2. Inspect and clean the contacts in the connectors
  3. Check fuses associated with modules
  4. Diagnose modules connected to the bus
  5. Check resistance and voltage in the bus

Related codes

Error U0058 by Vehicle Brand