P0697

2017-10-10

Description:

  • The fault code P0697 indicates that there is an issue with the circuit that controls the reference voltage “C” signal sent to various sensors of the vehicle. This can cause several issues with the engine.

Possible Symptoms:

  • Illuminated check engine light

  • Issues with engine performance

  • Reduced power or acceleration

  • Rough idle or stalling

  • Poor fuel economy

Possible Causes:

  • Failed or malfunctioning sensor

  • Bad wiring or connections in the circuit

  • Corroded or loose electrical connections

  • Faulty engine control module (ECM)

Related Parts:

  • Engine Control Module (ECM): ECM is the part of the car computer that controls the engine system and performance. Problems lead to poor fuel economy, engine stalling & unwanted engine vibrations

Possible Solutions:

  • Replace the faulty sensor

  • Check and repair any damaged wiring or connections in the circuit

  • Clean or tighten any loose or corroded electrical connections

  • Replace the engine control module (ECM) if necessary

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