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2017 CHEVROLET IMPALA

2.5L I4 EcotecAWDAUTOMATICgas
Repairs0Labor990Torque7715Fluid15DTC1938Battery2Maintenance0Recalls0
P2602high severityPowertrain

Coolant Pump A Control Circuit Low

on 2017 Chevrolet Impala 2.5L I4 Ecotec · AWD

What this code means

Low voltage on auxiliary coolant pump circuit.

Symptoms

  • Check engine light
  • Possible overheating

Common causes

  • Short to ground
  • Failed pump
  • Wiring damage

Diagnostic steps

  1. Measure circuit voltage
  2. Check for shorts

Repair notes

Repair wiring or replace pump.

Other Powertrain codes on this vehicle

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