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Symptom: P1478-BATTERY TEMP SENSOR VOLTS OUT OF LIMIT When Monitored and Set Condition: P1478-BATTERY TEMP SENSOR VOLTS OUT OF LIMIT When Monitored: Ignition on. Set Condition: The Battery Temperature Sensor, internal to the PCM, goes above 4.9 volts or below 0.1 volt for more than 3.2 seconds. POSSIBLE CAUSES PCM TEST ACTION APPLICABILITY 1 The PCM has detected a fault with the Battery Temperature Sensor which is internal All Review Replace and program the Powertrain Control Module in accor- 175 DRIVEABILITY - SBEC |