General Motors Powertrain

136

UnclassifiedGeneral

What This Code Means

DST displays TIP voltage of 4.8 volts or greater; DST displays TIP voltage less than 0.2 volts; Intermittent Problem

Possible Causes

  • •Faulty Connection
  • •Faulty ECM
  • •Faulty TIP Sensor
  • •Open sensor ground circuit
  • •TIP signal circuit shorted to voltage

Suggested Actions

  1. 1Check Key On - Engine Running System Data Mode
  2. 2Disconnect TIP Connector
  3. 3Probe sensor ground circuit on harness (ECM) side (bk/lt grn) with test light connected to battery voltage
  4. 4Turn Ignition Off
  5. 5Turn Ignition On

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