Discovery Energy, LLC (Rehlko)

P0698

WarningElectrical

What This Code Means

Voltage falls when defective sensor is plugged back in

Possible Causes

  • •Problem with 5 V sensor power supply.
  • •Defective sensor
  • •Sensor shorts for sensors using 5 V sensor power supply

Suggested Actions

  1. 1Check the ECM leads.
  2. 2Check for sensor shorts for sensors using 5 V sensor power supply by disconnecting all sensors and then connecting back one at a time.
  3. 3Isolate a defective sensor.
  4. 4While monitoring the sensor power supply with a scan tool or voltmeter, disconnect all sensors powered from the sensor reference voltage C power supply.
  5. 5Replace the ECM. Refer to the Electronic Control Module (ECM) section.

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