P05C7

2017-10-10

Description:

  • Economy Mode Switch Circuit/Open

Possible Symptoms:

  • Inspect the economy mode switch circuit for any visible damage or loose connections

  • Check and replace any faulty wiring or connectors in the economy mode switch circuit

  • Test the economy mode switch for proper functionality and replace if necessary

  • Perform a diagnostic scan using an OBD 2 scanner to further pinpoint the exact issue within the economy mode switch circuit

Possible Causes:

  • Malfunctioning economy mode switch

  • Faulty wiring or connection in the economy mode switch circuit

  • Defective economy mode switch sensor

  • Damage or corrosion in the economy mode switch circuit

  • Issues with the electronic control module (ECM) controlling the economy mode switch

Related Parts:

Possible Solutions:

  • Engine may run in a reduced power mode

  • Vehicle may experience difficulty starting

  • Fuel efficiency may decrease

  • Malfunction indicator lamp (MIL) may illuminate

  • Vehicle may fail an emissions test

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