P031B

2017-10-10

Description:

  • Ignition C Control Signal Circuit Low

Possible Symptoms:

  • Check for loose or damaged ignition control module connections.

  • Inspect and replace ignition control module if necessary.

  • Test and replace ignition coil, if found to be faulty.

  • Check and replace spark plugs, if worn out or damaged.

  • Verify and repair any wiring issues in the ignition control signal circuit.

Possible Causes:

  • Malfunctioning ignition control module or ignition coil

  • Faulty ignition switch or key cylinder

  • Defective ignition control unit or PCM

  • Loose or damaged wiring in the ignition control circuit

  • Faulty engine control module (ECM)

Related Parts:

Possible Solutions:

  • Engine misfire or rough idle

  • Difficulty starting the vehicle

  • Decreased fuel efficiency

  • Engine stalls or shuts off while driving

  • Increased emissions levels

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