General Motors Powertrain

611

UnclassifiedElectrical

What This Code Means

DST displays FPP voltage of 4.8 volts or greater with Foot Pedal in idle position; DST displays FPP voltage less than 0.2 volts; DST FPP voltage exceeds 4.8 volts

Possible Causes

  • •FPP signal circuit shorted to voltage
  • •Faulty Connection
  • •Faulty ECM
  • •Faulty ECM connection
  • •Faulty FPP
  • •Faulty sensor
  • •Intermittent Problem
  • •Open sensor ground circuit
  • •Poor Ground Circuit

Suggested Actions

  1. 1Disconnect FPP sensor from harness
  2. 2Key Off
  3. 3Key On
  4. 4Key On - Engine Off System Data Mode
  5. 5Probe sensor ground circuit with test light connected to battery voltage
  6. 6Slowly increase FPP while observing FPP voltage

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