P0699

2017-10-10

Description:

  • The fault code P0699 indicates that there is an issue with the sensor reference voltage C circuit. This may cause the engine to run poorly or not start at all.

Possible Symptoms:

  • Illuminated check engine light

  • Reduced engine power or acceleration

  • Poor running engine or difficulty starting the engine

Possible Causes:

  • One or more shorted sensor on 5

  • volt circuit.

  • Damaged or corroded circuit for ECM ground.

  • short circuit in wiring or connections in the ECM harness.

  • Faulty 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 failed sensor

  • Check and repair any damaged wiring or connections. Check for damage/corrosion in ground wires and the terminal.

  • Tighten or clean any loose or corroded electrical connections

  • Replace the ECM if necessary

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