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DTC P0517: Battery Temperature Sensor High: Testing

  1. Ignition on, engine not running. With the DRBIII® scan tool, read the battery temp sensor voltage. Is the voltage above 4.9 volts? If yes, go to next step. If no, see INTERMITTENT CONDITION  under SELF-DIAGNOSTIC SYSTEM.
  2. Turn the ignition off. Disconnect the battery temp sensor harness connector. Ignition on, engine not running. Measure the voltage of the (K118) battery temp signal circuit in the battery temp sensor harness connector. Is the voltage above 5.2 volts? If yes, repair the short to battery voltage in the (K118) battery temp signal circuit. If no, go to next step.
  3. Turn the ignition off. Disconnect the battery temp harness connector. Connect a jumper wire between the battery temp signal circuit and the sensor ground circuit in the battery temp harness connector. Ignition on, engine not running. With the DRBIII® scan tool, read the battery temp sensor voltage. Is the voltage below 1.0 volt? If yes, replace the battery temp sensor. If no, go to next step.
    4. CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install Miller Special Tool (8815) to perform diagnosis.
  4. Turn the ignition off. Disconnect the battery temp sensor harness connector. Disconnect the PCM harness connectors. Measure the resistance of the (K118) battery temp signal circuit from the battery temp sensor harness connector to the appropriate terminal of Miller Special Tool (8815). Is the resistance below 5.0 ohms? If yes, go to next step. If no, repair the open in the (K118) battery temp signal circuit.
    5. CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install Miller Special Tool (8815) to perform diagnosis.
  5. Turn the ignition off. Disconnect the battery sensor harness connector. Disconnect the PCM harness connectors. Measure the resistance of the (K167) sensor ground circuit from the battery temp sensor harness connector to the appropriate terminal of Miller Special Tool (8815). Is the resistance below 5.0 ohms? If yes, go to next step. If no, repair the open in the (K167) sensor ground circuit.
  6. Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary. If there are no possible causes remaining, replace and program the PCM. See PROGRAMMING .
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