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2016 CHEVROLET IMPALA

3.6L V6 LFXAWDAUTOMATICgas
Repairs0Labor990Torque9854Fluid15DTC1920Battery2Maintenance0Recalls0
P2401moderate severityPowertrain

EVAP Leak Detection Pump Control Circuit Low

on 2016 Chevrolet Impala 3.6L V6 LFX · AWD

What this code means

Low voltage on the EVAP leak detection pump control circuit.

Symptoms

  • Check engine light
  • Failed EVAP test

Common causes

  • Short to ground
  • Damaged harness
  • Pump motor failure

Diagnostic steps

  1. Measure circuit voltage
  2. Check for shorts to ground
  3. Test pump

Repair notes

Repair short or replace pump.

Other Powertrain codes on this vehicle

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