What does ODBII Code P30D5 Mean?
Powertrain Control Module(PCM), Engne Control Module(ECM) or Engine Control Unit (ECU) is receiving an incorrect NOx sensor signal.
Code P30D5 Possible Causes
- Faulty NOx Sensor 3
- NOx Sensor 3 circuit poor electrical connection
- NOx Sensor 3 harness is open or shorted
- Faulty Powertrain Control Module
- Low battery voltage
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