MANUFACTURER REFERENCE
Generic OBD-II code references — Page 46.
Read the source definition and confirm the exact vehicle, reporting module and diagnostic procedure.
Generic OBD-II
P2081
Exhaust Gas Temperature Sensor Circuit Intermittent Bank 1 Sensor 1
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Generic OBD-II
P2082
Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 1
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Generic OBD-II
P2083
Exhaust Gas Temperature Sensor Circuit Intermittent Bank 2 Sensor 1
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Generic OBD-II
P2084
Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 2
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Generic OBD-II
P2085
Exhaust Gas Temperature Sensor Circuit Intermittent Bank 1 Sensor 2
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Generic OBD-II
P2086
Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 2
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Generic OBD-II
P2087
Exhaust Gas Temperature Sensor Circuit Intermittent Bank 2 Sensor 2
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Generic OBD-II
P2088
A Camshaft Position Actuator Control Circuit Low Bank 1
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Generic OBD-II
P2089
A Camshaft Position Actuator Control Circuit High Bank 1
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Generic OBD-II
P208A
Reductant Pump A Control Circuit/Open
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Generic OBD-II
P208B
Reductant Pump A Control Performance/Stuck Off
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Generic OBD-II
P208C
Reductant Pump A Control Circuit Low
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Generic OBD-II
P208D
Reductant Pump A Control Circuit High
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Generic OBD-II
P208E
Reductant Injection Valve Stuck Closed Bank 1 Unit 1
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Generic OBD-II
P208F
Reductant Injection Valve Stuck Closed Bank 2 Unit 1
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Generic OBD-II
P2090
B Camshaft Position Actuator Control Circuit Low Bank 1
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Generic OBD-II
P2091
B Camshaft Position Actuator Control Circuit High Bank 1
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Generic OBD-II
P2092
A Camshaft Position Actuator Control Circuit Low Bank 2
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Generic OBD-II
P2093
A Camshaft Position Actuator Control Circuit High Bank 2
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Generic OBD-II
P2094
B Camshaft Position Actuator Control Circuit Low Bank 2
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Generic OBD-II
P2095
B Camshaft Position Actuator Control Circuit High Bank 2
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Generic OBD-II
P2096
Post Catalyst Fuel Trim System Too Lean Bank 1
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Generic OBD-II
P2097
Post Catalyst Fuel Trim System Too Rich Bank 1
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Generic OBD-II
P2098
Post Catalyst Fuel Trim System Too Lean Bank 2
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Generic OBD-II
P2099
Post Catalyst Fuel Trim System Too Rich Bank 2
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Generic OBD-II
P209A
Reductant Injection Air Pressure Sensor B Circuit
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Generic OBD-II
P209B
Reductant Injection Air Pressure Sensor B Circuit Range/Performance
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Generic OBD-II
P209C
Reductant Injection Air Pressure Sensor B Circuit Low
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Generic OBD-II
P209D
Reductant Injection Air Pressure Sensor B Circuit High
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Generic OBD-II
P209E
Reductant Injection Air Pressure Sensor A/B Correlation
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Generic OBD-II
P209F
Reductant Tank Heater Control Circuit Performance
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Generic OBD-II
P20A0
Reductant Purge Control Valve A Circuit /Open
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Generic OBD-II
P20A1
Reductant Purge Control Valve A Performance
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Generic OBD-II
P20A2
Reductant Purge Control Valve A Circuit Low
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Generic OBD-II
P20A3
Reductant Purge Control Valve A Circuit High
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Generic OBD-II
P20A4
Reductant Purge Control Valve A Stuck Open
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Generic OBD-II
P20A5
Reductant Purge Control Valve A Stuck Closed
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Generic OBD-II
P20A6
Reductant Injection Air Pressure Control Valve Circuit/Open
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Generic OBD-II
P20A7
Reductant Injection Air Pressure Control Valve Performance
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Generic OBD-II
P20A8
Reductant Injection Air Pressure Control Valve Circuit Low
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Generic OBD-II
P20A9
Reductant Injection Air Pressure Control Valve Circuit High
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Generic OBD-II
P20AA
Reductant Injection Air Pressure Control Valve Stuck Open
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Generic OBD-II
P20AB
Reductant Injection Air Pressure Control Valve Stuck Closed
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Generic OBD-II
P20AC
Reductant Metering Unit Temperature Sensor Circuit
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Generic OBD-II
P20AD
Reductant Metering Unit Temperature Sensor Circuit Range/Performance
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Generic OBD-II
P20AE
Reductant Metering Unit Temperature Sensor Circuit Low
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Generic OBD-II
P20AF
Reductant Metering Unit Temperature Sensor Circuit High
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Generic OBD-II
P20B0
Reductant Metering Unit Temperature Sensor Circuit Intermittent/Erratic
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Generic OBD-II
P20B1
Reductant Heater Coolant Control Valve Circuit/Open
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Generic OBD-II
P20B2
Reductant Heater Coolant Control Valve Performance/Stuck Open
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Generic OBD-II
P20B3
Reductant Heater Coolant Control Valve Circuit Low
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Generic OBD-II
P20B4
Reductant Heater Coolant Control Valve Circuit High
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Generic OBD-II
P20B5
Reductant Metering Unit Heater Control Circuit/Open
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Generic OBD-II
P20B6
Reductant Metering Unit Heater Control Circuit Performance
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Generic OBD-II
P20B7
Reductant Metering Unit Heater Control Circuit Low
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Generic OBD-II
P20B8
Reductant Metering Unit Heater Control Circuit High
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Generic OBD-II
P20B9
Reductant Heater A Control Circuit/Open
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Generic OBD-II
P20BA
Reductant Heater A Control Circuit Performance
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Generic OBD-II
P20BB
Reductant Heater A Control Circuit Low
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Generic OBD-II
P20BC
Reductant Heater A Control Circuit High
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Generic OBD-II
P20BD
Reductant Heater B Control Circuit/Open
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Generic OBD-II
P20BE
Reductant Heater B Control Circuit Performance
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Generic OBD-II
P20BF
Reductant Heater B Control Circuit Low
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Generic OBD-II
P20C0
Reductant Heater B Control Circuit High
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Generic OBD-II
P20C1
Reductant Heater C Control Circuit/Open
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Generic OBD-II
P20C2
Reductant Heater C Control Circuit Performance
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Generic OBD-II
P20C3
Reductant Heater C Control Circuit Low
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Generic OBD-II
P20C4
Reductant Heater C Control Circuit High
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Generic OBD-II
P20C5
Reductant Heater D Control Circuit/Open
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Generic OBD-II
P20C6
Reductant Heater D Control Circuit Performance
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Generic OBD-II
P20C7
Reductant Heater D Control Circuit Low
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Generic OBD-II
P20C8
Reductant Heater D Control Circuit High
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Generic OBD-II
P20C9
Reductant Control Module Requested MIL Illumination
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Generic OBD-II
P20CA
Reductant Injection Air Pressure Leakage
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Generic OBD-II
P20CB
Exhaust Aftertreatment Fuel Injector A Control Circuit/Open
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Generic OBD-II
P20CC
Exhaust Aftertreatment Fuel Injector A Control Performance
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Generic OBD-II
P20CD
Exhaust Aftertreatment Fuel Injector A Control Circuit Low
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Generic OBD-II
P20CE
Exhaust Aftertreatment Fuel Injector A Control Circuit High
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Generic OBD-II
P20CF
Exhaust Aftertreatment Fuel Injector A Stuck Open
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Generic OBD-II
P20D0
Exhaust Aftertreatment Fuel Injector A Stuck Closed
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Generic OBD-II
P20D1
Exhaust Aftertreatment Fuel Injector B Control Circuit/Open
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Generic OBD-II
P20D2
Exhaust Aftertreatment Fuel Injector B Control Performance
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Generic OBD-II
P20D3
Exhaust Aftertreatment Fuel Injector B Control Circuit Low
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Generic OBD-II
P20D4
Exhaust Aftertreatment Fuel Injector B Control Circuit High
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Generic OBD-II
P20D5
Exhaust Aftertreatment Fuel Injector B Stuck Open
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Generic OBD-II
P20D6
Exhaust Aftertreatment Fuel Injector B Stuck Closed
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Generic OBD-II
P20D7
Exhaust Aftertreatment Fuel Supply Control Circuit/Open
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Generic OBD-II
P20D8
Exhaust Aftertreatment Fuel Supply Control Performance
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Generic OBD-II
P20D9
Exhaust Aftertreatment Fuel Supply Control Circuit Low
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Generic OBD-II
P20DA
Exhaust Aftertreatment Fuel Supply Control Circuit High
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Generic OBD-II
P20DB
Exhaust Aftertreatment Fuel Supply Control Stuck Open
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Generic OBD-II
P20DC
Exhaust Aftertreatment Fuel Supply Control Stuck Closed
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Generic OBD-II
P20DD
Exhaust Aftertreatment Fuel Pressure Sensor Circuit
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Generic OBD-II
P20DE
Exhaust Aftertreatment Fuel Pressure Sensor Circuit Range/Performance
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Generic OBD-II
P20DF
Exhaust Aftertreatment Fuel Pressure Sensor Circuit Low
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Generic OBD-II
P20E0
Exhaust Aftertreatment Fuel Pressure Sensor Circuit High
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Generic OBD-II
P20E1
Exhaust Aftertreatment Fuel Pressure Sensor Circuit Intermittent/Erratic
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Generic OBD-II
P20E2
Exhaust Gas Temperature Sensor 1/2 Correlation Bank 1
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Generic OBD-II
P20E3
Exhaust Gas Temperature Sensor 1/3 Correlation Bank 1
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Generic OBD-II
P20E4
Exhaust Gas Temperature Sensor 2/3 Correlation Bank 1
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These are code references, not a list of confirmed faults on every vehicle. Read the source and applicability notes, then match the exact vehicle, year, engine and scan report.