OBD Guide

P2680

Coolant Degassing Valve Control Circuit High

P2680 is an OBD-II diagnostic trouble code meaning: Coolant Degassing Valve Control Circuit High. Common causes: coolant degassing valve malfunction, open or short circuit in control circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Engine overheating
  • Unstable engine operation
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Reduced engine power

Causes

  • Coolant degassing valve malfunction
  • Open or short circuit in control circuit
  • Poor contact in circuit connectors
  • Engine control unit (ECU) malfunction
  • Corroded or damaged wires

How to Fix

  1. Check valve control circuit integrity
  2. Inspect connectors and contacts for corrosion or damage
  3. Check the resistance and operation of the degassing valve
  4. If necessary, replace the degassing valve
  5. Check and, if necessary, replace damaged wires or connectors

Related codes

Error P2680 by Vehicle Brand

FAQ

What does the P2680 code mean?

P2680 is an OBD-II diagnostic trouble code that indicates: Coolant Degassing Valve Control Circuit High

What causes a P2680 error code?

The most common causes of P2680 include: Coolant degassing valve malfunction; Open or short circuit in control circuit; Poor contact in circuit connectors; Engine control unit (ECU) malfunction.

How do I fix a P2680 diagnostic trouble code?

To fix P2680: Check valve control circuit integrity. Inspect connectors and contacts for corrosion or damage. Check the resistance and operation of the degassing valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2680?

Limited driving only, diagnose soon

How much does it cost to fix P2680?

The estimated repair cost for P2680 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat