P0699

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2017-10-10

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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