P2203
NOx Sensor Circuit High Bank 1
2000-2012 Mitsubishi Eclipse 2.4L I4 🇩🇪
Moderate SeverityPowertrain
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
Mitsubishi 3000GT
1991-1999 3.0L V6
Mitsubishi 3000GT VR-4
1991-1999 3.0L Twin Turbo V6
Mitsubishi 3000GT VR-4
1991-1999 3.0L V6 Twin Turbo
Mitsubishi Colt JP
2002-2012 1.3L I4 4A90
Mitsubishi Colt JP
2002-2012 1.5L I4 4A91
Mitsubishi Delica D:5
2019-2025 2.2L I4 Turbo Diesel 4N14
Mitsubishi Diamante
1992-1996 3.0L V6
Mitsubishi Diamante
1997-2004 3.5L V6
Common Questions
What does code P2203 mean on a 2000-2012 Mitsubishi Eclipse?
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 Mitsubishi Eclipse?
Common symptoms of P2203 include: Check engine light, Over-dosing DEF.
What causes P2203 on a 2000-2012 Mitsubishi Eclipse?
Common causes of P2203 include: Open circuit, Short to voltage, Failed sensor module.