Discovery Energy, LLC (Rehlko)

P0652

WarningElectrical

What This Code Means

Power supply is less than 4.6 V; Sensor power supply voltage falls when a sensor is added

Possible Causes

  • •Problem with 5 V sensor power supply circuit
  • •Sensor power supply circuit shorts to ground

Suggested Actions

  1. 1Check electrical connection at ECM for sensor power supply circuit
  2. 2Check for sensor power supply circuit shorts to ground
  3. 3Check for shorts by disconnecting the TMAP and TP sensors
  4. 4Monitor the sensor power supply while reconnecting the sensors one at a time
  5. 5If the voltage falls when a sensor is added, replace that sensor
  6. 6Refer to the Installation and Removal Procedures section

Related Discovery Energy, LLC (Rehlko) Fault Codes

P0698P0699P0562P0561P0132P0131P0653P0657P0643P0658P0642P0659
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