OBD Guide

P2C90

Crankcase Ventilation System - Hose A Disconnected

P2C90 is an OBD-II diagnostic trouble code meaning: Crankcase Ventilation System - Hose A Disconnected. Common causes: physical damage to the hose, loosening the fastening clamps. Estimated repair cost: $6–33.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–33 (est.)

Symptoms

  • Unstable engine idling
  • Increased oil consumption
  • Burning smell in the engine compartment
  • Loss of engine power
  • Check Engine indicator on the dashboard

Causes

  • Physical damage to the hose
  • Loosening the fastening clamps
  • Wear of rubber joints
  • Incorrect installation after service
  • Exposure to high temperatures on the hose

How to Fix

  1. Visual inspection of the crankcase ventilation system
  2. Checking the integrity of hose A
  3. Tightening or replacing clamps
  4. Replacing a damaged hose
  5. Checking the tightness of the system after repair

Related codes

Error P2C90 by Vehicle Brand

FAQ

What does the P2C90 code mean?

P2C90 is an OBD-II diagnostic trouble code that indicates: Crankcase Ventilation System - Hose A Disconnected

What causes a P2C90 error code?

The most common causes of P2C90 include: Physical damage to the hose; Loosening the fastening clamps; Wear of rubber joints; Incorrect installation after service.

How do I fix a P2C90 diagnostic trouble code?

To fix P2C90: Visual inspection of the crankcase ventilation system. Checking the integrity of hose A. Tightening or replacing clamps. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2C90?

Yes, but get it checked soon

How much does it cost to fix P2C90?

The estimated repair cost for P2C90 is $6–33. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat