Back to 2016 GMC Sierra 1500

2016 GMC SIERRA 1500

5.3L V84WDAUTOMATICgas
7 active safety recalls on this vehicle — view recalls
Repairs0Labor520Torque5053Fluid9DTC960Battery0Maintenance0Recalls7
P2402moderate severityPowertrain

EVAP Leak Detection Pump Control Circuit High

on 2016 GMC Sierra 1500 5.3L V8 · 4WD

What this code means

High voltage on the EVAP leak detection pump circuit.

Symptoms

  • Check engine light

Common causes

  • Open ground circuit
  • Short to battery voltage
  • Failed pump

Diagnostic steps

  1. Check ground continuity
  2. Measure voltage with key off

Repair notes

Repair wiring or replace pump.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →