OBD Guide

C0890

Device Voltage Reference Output 3 Circuit Voltage

C0890 is an OBD-II diagnostic trouble code meaning: Device Voltage Reference Output 3 Circuit Voltage. Common causes: open or short circuit in wiring harness, poor contact in connectors. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Incorrect operation of systems related to the reference voltage (for example, ABS, ESP)
  • Reduced efficiency of vehicle electronic systems

Causes

  • Open or short circuit in wiring harness
  • Poor contact in connectors
  • Contact corrosion
  • Control module malfunction (e.g. ABS, ESP)
  • Problems with power or circuit ground

How to Fix

  1. Check the wiring harness for breaks and short circuits
  2. Inspect connectors for corrosion or damage
  3. Check the voltage in the reference circuit
  4. Scan other modules for related errors
  5. If necessary, replace the faulty module or wiring harness

Related codes

Error C0890 by Vehicle Brand

FAQ

What does the C0890 code mean?

C0890 is an OBD-II diagnostic trouble code that indicates: Device Voltage Reference Output 3 Circuit Voltage

What causes a C0890 error code?

The most common causes of C0890 include: Open or short circuit in wiring harness; Poor contact in connectors; Contact corrosion; Control module malfunction (e.g. ABS, ESP).

How do I fix a C0890 diagnostic trouble code?

To fix C0890: Check the wiring harness for breaks and short circuits. Inspect connectors for corrosion or damage. Check the voltage in the reference circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0890?

Do not drive — repair immediately

How much does it cost to fix C0890?

The estimated repair cost for C0890 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat