ShopBaseFree forever shop management software for auto repair shops
Try ShopBase Free β†’
P1448

EVAP Canister Vent Control Valve Open

2012-2024 Nissan NV3500 5.6L V8

Low SeverityPowertrain

Description

EVAP vent valve stuck open; system cannot seal for leak testing.

Symptoms

  • CEL
  • Failed emissions
  • EVAP monitor won't complete

Common Causes

  • Faulty vent valve stuck open
  • Canister liner failure
  • Damaged wiring
  • Corroded pins

Diagnostic Steps

  1. Test vent valve
  2. Inspect canister
  3. Check wiring
  4. Test with scan tool

Repair Notes

Replace vent control valve.

Other Powertrain Codes

P1448 on Other Vehicles

Common Questions

What does code P1448 mean on a 2012-2024 Nissan NV3500?

P1448 stands for "EVAP Canister Vent Control Valve Open". EVAP vent valve stuck open; system cannot seal for leak testing.

What are the symptoms of P1448 on a Nissan NV3500?

Common symptoms of P1448 include: CEL, Failed emissions, EVAP monitor won't complete.

What causes P1448 on a 2012-2024 Nissan NV3500?

Common causes of P1448 include: Faulty vent valve stuck open, Canister liner failure, Damaged wiring, Corroded pins.

View Labor Times | View Torque Specs | View Fluid Specs