OBD Guide

U0061

Vehicle Communication Bus D (-) Low

U0061 is an OBD-II diagnostic trouble code meaning: Vehicle Communication Bus D (-) Low. Common causes: open or short circuit in can bus wiring, damaged connectors or corroded contacts. Estimated repair cost: $6–56.

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

Symptoms

  • Unstable engine operation
  • Problems with data transfer between control units
  • Check Engine light comes on
  • Lost connection with diagnostic equipment

Causes

  • Open or short circuit in CAN bus wiring
  • Damaged connectors or corroded contacts
  • Malfunction of one of the electronic control units
  • Problems with CAN bus power supply

How to Fix

  1. Check the integrity of the CAN bus wiring
  2. Inspect and clean CAN bus connectors
  3. Check CAN bus power supply
  4. Diagnose the operation of related ECUs

Related codes

Error U0061 by Vehicle Brand

FAQ

What does the U0061 code mean?

U0061 is an OBD-II diagnostic trouble code that indicates: Vehicle Communication Bus D (-) Low

What causes a U0061 error code?

The most common causes of U0061 include: Open or short circuit in CAN bus wiring; Damaged connectors or corroded contacts; Malfunction of one of the electronic control units; Problems with CAN bus power supply.

How do I fix a U0061 diagnostic trouble code?

To fix U0061: Check the integrity of the CAN bus wiring. Inspect and clean CAN bus connectors. Check CAN bus power supply. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0061?

Yes, but get it checked soon

How much does it cost to fix U0061?

The estimated repair cost for U0061 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat