| P2000 | NOx Trap Efficiency Below Threshold | Medium |
| P2001 | NOx Trap Efficiency Below Threshold | Medium |
| P2002 | Diesel Particulate Filter Efficiency Below Threshold (Bank 1) | High |
| P2003 | Particulate Trap Efficiency Below Threshold | Medium |
| P2004 | Intake Manifold Runner Control Stuck Open | Medium |
| P2005 | Intake Manifold Runner Control Stuck Open | Medium |
| P2006 | Intake Manifold Runner Control Stuck Closed | Medium |
| P2007 | Intake Manifold Runner Control Stuck Closed | Medium |
| P2008 | Intake Manifold Runner Control Circuit/Open | Medium |
| P2009 | Intake Manifold Runner Control Circuit Low | Medium |
| P2010 | Intake Manifold Runner Control Circuit High | Medium |
| P2011 | Intake Manifold Runner Control Circuit/Open | Medium |
| P2012 | Intake Manifold Runner Control Circuit Low | Medium |
| P2013 | Intake Manifold Runner Control Circuit High | Medium |
| P2014 | Intake Manifold Runner Position Sensor/Switch Circuit | Medium |
| P2015 | Intake Manifold Runner Position Sensor/Switch Circuit Range/Performance | Medium |
| P2016 | Intake Manifold Runner Position Sensor/Switch Circuit Low | Medium |
| P2017 | Intake Manifold Runner Position Sensor/Switch Circuit High | Medium |
| P2018 | Intake Manifold Runner Position Sensor/Switch Circuit Intermittent | Medium |
| P2019 | Intake Manifold Runner Position Sensor/Switch Circuit | Medium |
| P2020 | Intake Manifold Runner Position Sensor/Switch Circuit Range/Performance | Medium |
| P2021 | Intake Manifold Runner Position Sensor/Switch Circuit Low | Medium |
| P2022 | Intake Manifold Runner Position Sensor/Switch Circuit High | Medium |
| P2023 | Intake Manifold Runner Position Sensor/Switch Circuit Intermittent | Medium |
| P2024 | Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor Circuit | Low |
| P2025 | Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor Performance | Low |
| P2026 | Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor Circuit Low Voltage | Low |
| P2027 | Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor Circuit High Voltage | High |
| P2028 | Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor Circuit Intermittent | Low |
| P2029 | Fuel Fired Heater Disabled | Medium |
| P2030 | Fuel Fired Heater Performance | Medium |
| P2031 | Exhaust Gas Temperature Sensor Circuit | Medium |
| P2032 | Exhaust Gas Temperature Sensor Circuit Low | Medium |
| P2033 | Exhaust Gas Temperature Sensor Circuit High | Medium |
| P2034 | Exhaust Gas Temperature Sensor Circuit | Medium |
| P2035 | Exhaust Gas Temperature Sensor Circuit Low | Medium |
| P2036 | Exhaust Gas Temperature Sensor Circuit High | Medium |
| P2037 | Reductant Injection Air Pressure Sensor Circuit | Medium |
| P2038 | Reductant Injection Air Pressure Sensor Circuit Range/Performance | Medium |
| P2039 | Reductant Injection Air Pressure Sensor Circuit Low Input | Medium |
| P2040 | Reductant Injection Air Pressure Sensor Circuit High Input | Medium |
| P2041 | Reductant Injection Air Pressure Sensor Circuit Intermittent | Medium |
| P2042 | Reductant Temperature Sensor Circuit | Medium |
| P2043 | Reductant Temperature Sensor Circuit Range/Performance | Medium |
| P2044 | Reductant Temperature Sensor Circuit Low Input | Medium |
| P2045 | Reductant Temperature Sensor Circuit High Input | Medium |
| P2046 | Reductant Temperature Sensor Circuit Intermittent | Medium |
| P2047 | Reductant Injector Circuit/Open | Medium |
| P2048 | Reductant Injector Circuit Low | Medium |
| P2049 | Reductant Injector Circuit High | Medium |
| P2050 | Reductant Injector Circuit/Open | Medium |
| P2051 | Reductant Injector Circuit Low | Medium |
| P2052 | Reductant Injector Circuit High | Medium |
| P2053 | Reductant Injector Circuit/Open | Medium |
| P2054 | Reductant Injector Circuit Low | Medium |
| P2055 | Reductant Injector Circuit High | Medium |
| P2056 | Reductant Injector Circuit/Open | Medium |
| P2057 | Reductant Injector Circuit Low | Medium |
| P2058 | Reductant Injector Circuit High | Medium |
| P2059 | Reductant Injection Air Pump Control Circuit/Open | Medium |
| P2060 | Reductant Injection Air Pump Control Circuit Low | Medium |
| P2061 | Reductant Injection Air Pump Control Circuit High | Medium |
| P2062 | Reductant Supply Control Circuit/Open | Medium |
| P2063 | Reductant Supply Control Circuit Low | Medium |
| P2064 | Reductant Supply Control Circuit High | Medium |
| P2065 | Fuel Level Sensor 'B' Circuit | Medium |
| P2066 | Fuel Level Sensor 'B' Performance | Medium |
| P2067 | Fuel Level Sensor 'B' Circuit Low | Medium |
| P2068 | Fuel Level Sensor 'B' Circuit High | Medium |
| P2069 | Fuel Level Sensor 'B' Circuit Intermittent | Medium |
| P2070 | Intake Manifold Tuning (IMT) Valve Stuck Open | Medium |
| P2071 | Intake Manifold Tuning (IMT) Valve Stuck Closed | Medium |
| P2075 | Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit | Medium |
| P2076 | Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Range/Performance | Medium |
| P2077 | Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Low | Medium |
| P2078 | Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit High | Medium |
| P2079 | Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Intermittent | Medium |
| P2080 | Exhaust Gas Temperature Sensor Circuit Range/Performance | Medium |
| P2081 | Exhaust Gas Temperature Sensor Circuit Intermittent | Medium |
| P2082 | Exhaust Gas Temperature Sensor Circuit Range/Performance | Medium |
| P2083 | Exhaust Gas Temperature Sensor Circuit Intermittent | Medium |
| P2084 | Exhaust Gas Temperature Sensor Circuit Range/Performance | Medium |
| P2085 | Exhaust Gas Temperature Sensor Circuit Intermittent | Medium |
| P2086 | Exhaust Gas Temperature Sensor Circuit Range/Performance | Medium |
| P2087 | Exhaust Gas Temperature Sensor Circuit Intermittent | Medium |
| P2088 | 'A' Camshaft Position Actuator Control Circuit Low | Medium |
| P2089 | 'A' Camshaft Position Actuator Control Circuit High | Medium |
| P2090 | 'B' Camshaft Position Actuator Control Circuit Low | Medium |
| P2091 | 'B' Camshaft Position Actuator Control Circuit High | Medium |
| P2092 | 'A' Camshaft Position Actuator Control Circuit Low | Medium |
| P2093 | 'A' Camshaft Position Actuator Control Circuit High | Medium |
| P2094 | 'B' Camshaft Position Actuator Control Circuit Low | Medium |
| P2095 | 'B' Camshaft Position Actuator Control Circuit High | Medium |
| P2096 | Post Catalyst Fuel Trim System Too Lean | Medium |
| P2097 | Post Catalyst Fuel Trim System Too Rich | Medium |
| P2098 | Post Catalyst Fuel Trim System Too Lean | Medium |
| P2099 | Post Catalyst Fuel Trim System Too Rich | Medium |
| P2100 | Throttle Actuator Control Motor Circuit/Open | Medium |
| P2101 | Throttle Actuator Control Motor Circuit Range/Performance | Medium |
| P2102 | Throttle Actuator Control Motor Circuit Low | Medium |