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ProMaster City Base
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2.4L - DTCS P0016 To P0501
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DTC Troubleshooting
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P0037-O2 Sensor 1/2 Heater Circuit Low
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Set Condition
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Set Condition
The Powertrain Control Module (PCM) detects that the Oxygen Sensor 1/2 Heater Control circuit is shorted low (heater resistance less than 2 ohms) for at least 2.16 seconds.