P2203
NOx Sensor Circuit High Bank 1
2000-2006 Lincoln LS 3.9L V8
Moderate SeverityPowertrainGeneric (SAE)
Description
NOx sensor bank 1 signal is above maximum expected voltage.
Symptoms
- Check engine light
- Over-dosing DEF
Common Causes
- Open circuit
- Short to voltage
- Failed sensor module
Diagnostic Steps
- Measure signal voltage
- Check for open circuits
Repair Notes
Repair wiring or replace NOx sensor.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P2203 on Other Vehicles
Lincoln Aviator
2003-2005 4.6L V8
Lincoln Aviator
2003-2005 4.6L V8 DOHC
Lincoln Aviator
2020-2024 3.0L Twin-Turbo V6
Lincoln Aviator
2020-2024 3.0L V6 Twin Turbo
Lincoln Blackwood
2002-2002 5.4L V8
Lincoln Continental
1995-2002 4.6L V8
Lincoln Continental
1995-2002 4.6L V8 DOHC
Lincoln Continental
2017-2020 2.7L EcoBoost V6
Common Questions
What does code P2203 mean on a 2000-2006 Lincoln LS?
P2203 stands for "NOx Sensor Circuit High Bank 1". NOx sensor bank 1 signal is above maximum expected voltage.
What are the symptoms of P2203 on a Lincoln LS?
Common symptoms of P2203 include: Check engine light, Over-dosing DEF.
What causes P2203 on a 2000-2006 Lincoln LS?
Common causes of P2203 include: Open circuit, Short to voltage, Failed sensor module.