OBD Guide

C0880

Control Module Voltage Reference

C0880 is an OBD-II diagnostic trouble code meaning: Control Module Voltage Reference. Common causes: open or short circuit in wiring harness, malfunction of the control module (ecu, bcm). Estimated repair cost: $56–222.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–222 (est.)

Symptoms

  • Check Engine Light Is On
  • Unstable engine operation
  • Power dips
  • Problems with security systems

Causes

  • Open or short circuit in wiring harness
  • Malfunction of the control module (ECU, BCM)
  • Poor contact in connectors
  • Contact corrosion
  • Power problems (dead battery, faulty generator)

How to Fix

  1. Check the voltage at the control module connectors
  2. Inspect the wiring harness for damage
  3. Check contacts in connectors for oxidation
  4. Test the control module
  5. Replace module or wiring harness if necessary

Related codes

Error C0880 by Vehicle Brand

FAQ

What does the C0880 code mean?

C0880 is an OBD-II diagnostic trouble code that indicates: Control Module Voltage Reference

What causes a C0880 error code?

The most common causes of C0880 include: Open or short circuit in wiring harness; Malfunction of the control module (ECU, BCM); Poor contact in connectors; Contact corrosion.

How do I fix a C0880 diagnostic trouble code?

To fix C0880: Check the voltage at the control module connectors. Inspect the wiring harness for damage. Check contacts in connectors for oxidation. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0880?

Do not drive — repair immediately

How much does it cost to fix C0880?

The estimated repair cost for C0880 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat