THE CODE DIRECTORY
Diagnostic code references — Page 99.
Browse canonical reference entries. Each definition keeps its own source and vehicle-applicability limits.
Generic OBD-II
P2C63
O2 Sensor Pumping Current Trim Circuit Low Bank 1 Sensor 3
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Generic OBD-II
P2C64
O2 Sensor Pumping Current Trim Circuit High Bank 1 Sensor 3
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Generic OBD-II
P2C65
O2 Sensor Out of Range During Deceleration Bank 1 Sensor 3
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Generic OBD-II
P2C66
Hybrid/EV Electronics Coolant Pump A Underspeed
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Generic OBD-II
P2C67
Hybrid/EV Electronics Coolant Pump A Overspeed
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Generic OBD-II
P2C68
Hybrid/EV Electronics Coolant Pump A Stuck/Stalled
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Generic OBD-II
P2C69
Drive Motor “A” Phase X Current
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Generic OBD-II
P2C6A
Drive Motor “A” Phase X Current Low
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Generic OBD-II
P2C6B
Drive Motor “A” Phase X Current High
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Generic OBD-II
P2C6C
Drive Motor “A” Phase Y Current
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Generic OBD-II
P2C6D
Drive Motor “A” Phase Y Current Low
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Generic OBD-II
P2C6E
Drive Motor “A” Phase Y Current High
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Generic OBD-II
P2C6F
Drive Motor “A” Phase Z Current
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Generic OBD-II
P2C70
Drive Motor “A” Phase Z Current Low
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Generic OBD-II
P2C71
Drive Motor “A” Phase Z Current High
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Generic OBD-II
P2C72
Hybrid/EV Electronics Cooling System Performance
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Generic OBD-II
P2C73
Active Grille Air Shutter C Stuck On
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Generic OBD-II
P2C74
Active Grille Air Shutter C Control Circuit Range/Performance
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Generic OBD-II
P2C75
Active Grille Air Shutter Module C Over Temperature
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Generic OBD-II
P2C76
Active Grille Air Shutter D Stuck On
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Generic OBD-II
P2C77
Active Grille Air Shutter D Control Circuit Range/Performance
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Generic OBD-II
P2C78
Active Grille Air Shutter Module D Over Temperature
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Generic OBD-II
P2C79
NOx Adsorber - Sulfur Limit Exceeded
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Generic OBD-II
P2C7A
SCR NOx Catalyst Efficiency Below Threshold Bank 1 Catalyst 2
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Generic OBD-II
P2C7B
Turbocharger Turbine Inlet Valve Control Performance
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Generic OBD-II
P2C7C
Turbocharger Turbine Inlet Valve Supply Circuit Low
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Generic OBD-II
P2C7D
Turbocharger Turbine Inlet Valve Motor Driver High Current
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Generic OBD-II
P2C7E
Turbocharger Turbine Inlet Valve Motor Driver Overtemperature
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Generic OBD-II
P2C7F
Turbocharger Turbine Inlet Valve Position Sensor Exceeded Learning Limit
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Generic OBD-II
P2C80
AIR System Pump Overspeed Bank 1
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Generic OBD-II
P2C81
AIR System Pump Overtemperature Bank 1
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Generic OBD-II
P2C82
AIR System Pump Supply Voltage Circuit Bank 1
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Generic OBD-II
P2C83
Cold Start Shift Time Too Short
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Generic OBD-II
P2C84
Cold Start Shift Time Too Long
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Generic OBD-II
P2C85
Hybrid/EV Battery Voltage External Isolation Fault
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Generic OBD-II
P2C86
Hybrid/EV Battery Voltage Internal Isolation Warning
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Generic OBD-II
P2C87
Hybrid/EV Battery Voltage External Isolation Warning
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Generic OBD-II
P2C88
Hybrid/EV Battery Voltage System Isolation Warning
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Generic OBD-II
P2C89
Hybrid/EV Battery System Precharge Current Too High
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Generic OBD-II
P2C8A
Hybrid/EV Battery Interface Control Module A Performance
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Generic OBD-II
P2C8B
Hybrid/EV Battery Interface Control Module B Performance
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Generic OBD-II
P2C8C
DC/DC Converter Temperature Sensor D Circuit
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Generic OBD-II
P2C8D
DC/DC Converter Temperature Sensor D Circuit Range/Performance
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Generic OBD-II
P2C8E
DC/DC Converter Temperature Sensor D Circuit Low
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Generic OBD-II
P2C8F
DC/DC Converter Temperature Sensor D Circuit High
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Generic OBD-II
P2C90
Crankcase Ventilation System - Hose A Disconnected
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Generic OBD-II
P2C91
Crankcase Ventilation System - Hose B Disconnected
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Generic OBD-II
P2C92
Hybrid/EV Battery Contactor Control Supply Circuit/Open
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Generic OBD-II
P2C93
Hybrid/EV Battery Contactor Control Supply Circuit Range/Performance
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Generic OBD-II
P2C94
Hybrid/EV Battery Contactor Control Supply Circuit Low
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Generic OBD-II
P2C95
Hybrid/EV Battery Contactor Control Supply Circuit High
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Generic OBD-II
P2C96
Hybrid/EV Battery Disable Circuit/Open
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Generic OBD-II
P2C97
Hybrid/EV Battery Disable Circuit Low
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Generic OBD-II
P2C98
Hybrid/EV Battery Disable Circuit High
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Generic OBD-II
P2C99
Throttle Actuator A Control Exceeded Learning Limit
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Generic OBD-II
P2C9A
Throttle Actuator B Control Exceeded Learning Limit
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Generic OBD-II
P2C9B
Cold Start Turbocharger/Supercharger Wastegate Actuator A Range/Performance
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Generic OBD-II
P2C9C
Cold Start Turbocharger/Supercharger Wastegate Actuator B Range/Performance
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Generic OBD-II
P2C9D
Fuel Pressure Regulator C Exceeded Control Limits - Pressure Too High
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Generic OBD-II
P2C9E
Fuel Pressure Regulator C Exceeded Control Limits - Pressure Too Low
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Generic OBD-II
P2C9F
Fuel Pressure Regulator D Exceeded Control Limits - Pressure Too High
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Generic OBD-II
P2CA0
Fuel Pressure Regulator D Exceeded Control Limits - Pressure Too Low
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Generic OBD-II
P2CA1
Charge Air Cooler Coolant Pump Sense Circuit High
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Generic OBD-II
P2CA2
Charge Air Cooler Coolant Pump Sense Circuit Low
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Generic OBD-II
P2CA3
Charge Air Cooler Coolant Pump Sense Circuit Performance
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Generic OBD-II
P2CA4
Particulate Filter Pressure Sensor Signals Swapped A/B
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Generic OBD-II
P2CA5
DC/DC Converter Temperature Sensor E Circuit
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Generic OBD-II
P2CA6
DC/DC Converter Temperature Sensor E Circuit Low
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Generic OBD-II
P2CA7
DC/DC Converter Temperature Sensor E Circuit High
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Generic OBD-II
P2CA8
DC/DC Converter Temperature Sensor E Circuit Range/Performance
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Generic OBD-II
P2CA9
DC/DC Converter Temperature Sensor F Circuit
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Generic OBD-II
P2CAA
DC/DC Converter Temperature Sensor F Circuit Low
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Generic OBD-II
P2CAB
DC/DC Converter Temperature Sensor F Circuit High
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Generic OBD-II
P2CAC
DC/DC Converter Temperature Sensor F Circuit Range/Performance
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Generic OBD-II
P2CAD
Charge Air Cooler Coolant Pump B Control Circuit/Open
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Generic OBD-II
P2CAE
Charge Air Cooler Coolant Pump B Control Circuit Low
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Generic OBD-II
P2CAF
Charge Air Cooler Coolant Pump B Control Circuit High
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Generic OBD-II
P2CB0
Charge Air Cooler Coolant Pump B Performance
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Generic OBD-II
P2CB1
Charge Air Cooler Coolant Pump B Overspeed/Air In System
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Generic OBD-II
P2CB2
Charge Air Cooler Coolant Pump B Underspeed
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Generic OBD-II
P2CB3
Charge Air Cooler Coolant Pump B Stuck/Stalled
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Generic OBD-II
P2CB4
Charge Air Cooler Coolant Pump B Supply Voltage Circuit
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Generic OBD-II
P2CB5
Charge Air Cooler Coolant Pump B Control Module Overtemperature
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Generic OBD-II
P2CB6
Turbocharger/Supercharger B Boost System Performance
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Generic OBD-II
P2CB7
Turbocharger/Supercharger Boost Pressure B Not Detected – Mechanical
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Generic OBD-II
P2CB8
Turbocharger/Supercharger Boost Pressure B Too High – Mechanical
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Generic OBD-II
P2CB9
Fan 2 Underspeed
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Generic OBD-II
P2CBA
Fan 2 Overspeed
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Generic OBD-II
P2CBB
Fan 3 Underspeed
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Generic OBD-II
P2CBC
Fan 3 Overspeed
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Generic OBD-II
P2CBD
PCV Heater “B” Control Circuit /Open
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Generic OBD-II
P2CBE
PCV Heater “B” Control Circuit High
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Generic OBD-II
P2CBF
PCV Heater “B” Control Circuit Low
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Generic OBD-II
P2CC0
PCV Heater “B” Performance
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Generic OBD-II
P2CC1
Generator Voltage Sense Circuit B
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Generic OBD-II
P2CC2
Generator Voltage Sense Circuit B Range/Performance
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Generic OBD-II
P2CC3
Generator Voltage Sense Circuit B Low
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Generic OBD-II
P2CC4
Generator Voltage Sense Circuit B High
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Generic OBD-II
P2CC5
Generator Inverter Power Supply B Circuit/Open
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Generic OBD-II
P2CC6
Generator Inverter Power Supply B 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.