OBD Guide

P2CDA

Alternative Fuel Tank A Vacuum Insulation Deteriorated

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–556 (est.)

Symptoms

  • Increased fuel consumption
  • Reduced engine power
  • The smell of fuel in the cabin or around the car
  • Indication of low level of alternative fuel when the tank is actually full
  • Check Engine Light Intermittently Turning On

Causes

  • Mechanical damage to vacuum insulation
  • Corrosion of fuel tank elements
  • Natural wear and tear of insulating materials
  • Malfunction of pressure or temperature sensors
  • Depressurization of the alternative fuel system

How to Fix

  1. Visually inspect the alternative fuel tank for damage
  2. Checking pressure in the alternative fuel system
  3. Diagnostics of pressure and temperature sensors
  4. Replacement of damaged insulation elements or the entire tank
  5. Testing the system for leaks after repair

Related codes

Error P2CDA by Vehicle Brand