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2017 CHEVROLET IMPALA

2.5L I4 EcotecAWDAUTOMATICgas
Repairs0Labor990Torque7715Fluid15DTC1938Battery2Maintenance0Recalls0
P2420low severityPowertrain

EVAP Switching Valve Control Circuit High

on 2017 Chevrolet Impala 2.5L I4 Ecotec · AWD

What this code means

High signal on the EVAP switching valve circuit.

Symptoms

  • Check engine light

Common causes

  • Open circuit
  • Short to power
  • Failed solenoid

Diagnostic steps

  1. Measure circuit voltage
  2. Check for opens

Repair notes

Replace valve or repair wiring.

Other Powertrain codes on this vehicle

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