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Home >> Hummer >> 2009 >> H3 Base, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - DTC P0218 To DTC P2771 >> DTC P0711 >> Component Testing

Component Testing

  1. Disconnect the AT 20-way inline connector and measure the resistance between the TFT sensor signal circuit and the low reference circuit. Refer to Temperature Versus Resistance for resistance values.
    • If the resistance is not within the specified range for the given temperature, replace the TFT sensor.
  2. Test the TCM for supplying the 5-volt reference circuit to the TFT sensor.
    • If the TCM is not supplying a 5-volt reference to the TFT sensor, replace the TCM.
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