Technical Definition:
Nitrogen Oxides (NOx) Trap Efficiency Below Threshold (Bank 1)
Trouble Code: P2000
Address: 0x2000
System: Powertrain
Subsystem: Fuel & Air metering, Auxiliary emission controls
Address: 0x2000
System: Powertrain
Subsystem: Fuel & Air metering, Auxiliary emission controls
Technical Description:
Possible Causes:
Possible Symptoms:
Oxides of Nitrogen Trap Efficiency Below Threshold Bank 1
Possible Solutions:
OBD-II Trouble Code Type:
Diagnostic Step:
Tech Notes:
– Sensor or solenoid faulty
– Connector terminal contact is damaged or corroded
– Wire harness – Check harness for correct voltage, open, short to ground or short to voltage
– Update control unit software – Check for the latest control unit update
– Powertrain or Engine Control Module faulty
– Catalytic converter damage
– Catalytic converter improper operation