THE CODE DIRECTORY
Diagnostic code references — Page 71.
Browse canonical reference entries. Each definition keeps its own source and vehicle-applicability limits.
Generic OBD-II
P205C
Reductant Tank Temperature Sensor A Circuit Low
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Generic OBD-II
P205D
Reductant Tank Temperature Sensor A Circuit High
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Generic OBD-II
P205E
Reductant Tank Temperature Sensor A Circuit Intermittent/Erratic
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Generic OBD-II
P205F
Reductant System Performance Bank 2
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Generic OBD-II
P2060
Reductant Injection Air Pump Control Circuit Low
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Generic OBD-II
P2061
Reductant Injection Air Pump Control Circuit High
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Generic OBD-II
P2062
Reductant/Regeneration Supply Control Circuit/Open
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Generic OBD-II
P2063
Reductant/Regeneration Supply Control Circuit Low
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Generic OBD-II
P2064
Reductant/Regeneration Supply Control Circuit High
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Generic OBD-II
P2065
Fuel Level Sensor B Circuit
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Generic OBD-II
P2066
Fuel Level Sensor B Performance
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Generic OBD-II
P2067
Fuel Level Sensor B Circuit Low
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Generic OBD-II
P2068
Fuel Level Sensor B Circuit High
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Generic OBD-II
P2069
Fuel Level Sensor B Circuit Intermittent
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Generic OBD-II
P206A
Reductant Quality Sensor Circuit
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Generic OBD-II
P206B
Reductant Quality Sensor Circuit Range/Performance
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Generic OBD-II
P206C
Reductant Quality Sensor Circuit Low
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Generic OBD-II
P206D
Reductant Quality Sensor Circuit High
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Generic OBD-II
P206E
Intake Manifold Tuning (IMT) Valve Stuck Open Bank 2
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Generic OBD-II
P206F
Intake Manifold Tuning (IMT) Valve Stuck Closed Bank 2
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Generic OBD-II
P2070
Intake Manifold Tuning (IMT) Valve Stuck Open Bank 1
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Generic OBD-II
P2071
Intake Manifold Tuning (IMT) Valve Stuck Closed Bank 1
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Generic OBD-II
P2072
Throttle Actuator Control System - Ice Blockage Bank 1
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Generic OBD-II
P2073
Manifold Absolute Pressure/Mass Air Flow - Throttle Position Correlation at Idle
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Generic OBD-II
P2074
Manifold Absolute Pressure/Mass Air Flow - Throttle Position Correlation at Higher Load
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Generic OBD-II
P2075
Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Bank 1
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Generic OBD-II
P2076
Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Range/Performance Bank 1
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Generic OBD-II
P2077
Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Low Bank 1
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Generic OBD-II
P2078
Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit High Bank 1
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Generic OBD-II
P2079
Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Intermittent Bank 1
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Generic OBD-II
P207A
Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Bank 2
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Generic OBD-II
P207B
Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Range/Performance Bank 2
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Generic OBD-II
P207C
Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Low Bank 2
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Generic OBD-II
P207D
Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit High Bank 2
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Generic OBD-II
P207E
Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Intermittent Bank 2
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Generic OBD-II
P207F
Reductant Quality Performance
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Generic OBD-II
P2080
Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 1
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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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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.