P CODE FAMILY
Powertrain code references — Page 93.
Engine, transmission and powertrain diagnostic references. Exact vehicle and module context still matters.
Generic OBD-II
P2CA6
DC/DC Converter Temperature Sensor E Circuit Low
PowertrainRead the code
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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Generic OBD-II
P2CC7
Generator Inverter Power Supply B Circuit High
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Generic OBD-II
P2CC8
Coolant Pump Speed Sensor Circuit
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Generic OBD-II
P2CC9
Coolant Pump Speed Sensor Range/Performance
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Generic OBD-II
P2CCA
Coolant Pump Speed Sensor Circuit Low
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Generic OBD-II
P2CCB
Coolant Pump Speed Sensor Circuit High
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Generic OBD-II
P2CCC
Hybrid/EV Battery Pack G Deterioration
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Generic OBD-II
P2CCD
Hybrid/EV Battery Pack H Deterioration
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Generic OBD-II
P2CCE
Hybrid/EV Battery Pack I Deterioration
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Generic OBD-II
P2CCF
Hybrid/EV Battery Pack J Deterioration
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Generic OBD-II
P2CD0
Hybrid/EV Battery Pack K Deterioration
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Generic OBD-II
P2CD1
Hybrid/EV Battery Pack L Deterioration
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Generic OBD-II
P2CD2
Hybrid/EV Battery Pack M Deterioration
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Generic OBD-II
P2CD3
Hybrid/EV Battery Pack N Deterioration
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Generic OBD-II
P2CD4
A/C Refrigerant Pressure Sensor A/B Correlation
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Generic OBD-II
P2CD5
Turbocharger/Supercharger Bypass Valve C Stuck
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Generic OBD-II
P2CD6
Turbocharger/Supercharger Boost Sensor D Circuit
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Generic OBD-II
P2CD7
Turbocharger/Supercharger Boost Sensor D Circuit Range/Performance
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Generic OBD-II
P2CD8
Turbocharger/Supercharger Boost Sensor D Circuit Low
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Generic OBD-II
P2CD9
Turbocharger/Supercharger Boost Sensor D Circuit High
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Generic OBD-II
P2CDA
Alternative Fuel Tank A Vacuum Insulation Deteriorated
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Generic OBD-II
P2CDB
Cold Start Cylinder 1 Deactivation/Intake Valve Control Performance
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Generic OBD-II
P2CDC
Cold Start Cylinder 2 Deactivation/Intake Valve Control Performance
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Generic OBD-II
P2CDD
Cold Start Cylinder 3 Deactivation/Intake Valve Control Performance
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Generic OBD-II
P2CDE
Cold Start Cylinder 4 Deactivation/Intake Valve Control Performance
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Generic OBD-II
P2CDF
Cold Start Cylinder 5 Deactivation/Intake Valve Control Performance
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Generic OBD-II
P2CE0
Cold Start Cylinder 6 Deactivation/Intake Valve Control Performance
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Generic OBD-II
P2CE1
Intake Air Heater C Circuit/Open
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Generic OBD-II
P2CE2
Intake Air Heater C Circuit Range/Performance
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Generic OBD-II
P2CE3
Intake Air Heater C Circuit Low
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Generic OBD-II
P2CE4
Intake Air Heater C Circuit High
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Generic OBD-II
P2CE5
Particulate Filter Pressure Sensor C Circuit
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Generic OBD-II
P2CE6
Particulate Filter Pressure Sensor C Circuit Range/Performance
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Generic OBD-II
P2CE7
Particulate Filter Pressure Sensor C Circuit Low
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Generic OBD-II
P2CE8
Particulate Filter Pressure Sensor C Circuit High
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Generic OBD-II
P2CE9
Particulate Filter Pressure Sensor C Circuit Intermittent/Erratic
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Generic OBD-II
P2CEA
Particulate Filter Pressure Sensor D Circuit
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Generic OBD-II
P2CEB
Particulate Filter Pressure Sensor D Circuit Range/Performance
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Generic OBD-II
P2CEC
Particulate Filter Pressure Sensor D Circuit Low
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Generic OBD-II
P2CED
Particulate Filter Pressure Sensor D Circuit High
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Generic OBD-II
P2CEE
Particulate Filter Pressure Sensor D Circuit Intermittent/Erratic
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Generic OBD-II
P2CEF
Auxiliary Thermostat A Stuck Open
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Generic OBD-II
P2CF0
Auxiliary Thermostat A Stuck Closed
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Generic OBD-II
P2CF1
Auxiliary Thermostat B Stuck Open
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Generic OBD-II
P2CF2
Auxiliary Thermostat B Stuck Closed
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Generic OBD-II
P2CF3
Hybrid/EV Battery Pack Coolant Pump A Underspeed
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Generic OBD-II
P2CF4
Hybrid/EV Battery Pack Coolant Pump B Supply Voltage Circuit
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Generic OBD-II
P2CF5
Hybrid/EV Battery Pack Coolant Pump B Stuck/Stalled
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Generic OBD-II
P2CF6
Hybrid/EV Battery Pack Coolant Pump B Overspeed /Air in System
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Generic OBD-II
P2CF7
Hybrid/EV Battery Pack Coolant Pump B Underspeed
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Generic OBD-II
P2CF8
Engine Coolant Bypass Valve D Control Circuit Driver Current/Temperature Too High
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Generic OBD-II
P2CF9
Belt Integrated Starter Generator Belt Tensioner Control Circuit/Open
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Generic OBD-II
P2CFA
Belt Integrated Starter Generator Belt Tensioner Control Circuit Low
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Generic OBD-II
P2CFB
Belt Integrated Starter Generator Belt Tensioner Control Circuit High
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Generic OBD-II
P2CFC
A/C Clutch Control Circuit
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Generic OBD-II
P2CFD
A/C Clutch Control Circuit Low
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Generic OBD-II
P2CFE
A/C Clutch Control Circuit High
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Generic OBD-II
P2CFF
A/C Clutch Control Circuit Driver Current/Temperature Too High
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Generic OBD-II
P2D00
Motor Electronics Coolant Pump A Stuck/Stalled
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Generic OBD-II
P2D01
Motor Electronics Coolant Pump A Overspeed/Air in System
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Generic OBD-II
P2D02
Motor Electronics Coolant Pump A Underspeed
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Generic OBD-II
P2D03
Motor Electronics Coolant Pump A Supply Voltage Circuit
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Generic OBD-II
P2D04
Motor Electronics Coolant Pump A Control Module Overtemperature
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Generic OBD-II
P2D05
Motor Electronics Coolant Pump B Stuck/Stalled
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Generic OBD-II
P2D06
Motor Electronics Coolant Pump B Overspeed/Air in System
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Generic OBD-II
P2D07
Motor Electronics Coolant Pump B Underspeed
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Generic OBD-II
P2D08
Motor Electronics Coolant Pump B Supply Voltage Circuit
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Generic OBD-II
P2D09
Motor Electronics Coolant Pump B Control Module Overtemperature
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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.