P CODE FAMILY
Powertrain code references — Page 94.
Engine, transmission and powertrain diagnostic references. Exact vehicle and module context still matters.
Generic OBD-II
P2D0A
Motor Electronics Coolant Pump C Stuck/Stalled
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Generic OBD-II
P2D0B
Motor Electronics Coolant Pump C Overspeed/Air in System
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Generic OBD-II
P2D0C
Motor Electronics Coolant Pump C Underspeed
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Generic OBD-II
P2D0D
Motor Electronics Coolant Pump C Supply Voltage Circuit
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Generic OBD-II
P2D0E
Motor Electronics Coolant Pump C Control Module Overtemperature
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Generic OBD-II
P2D0F
Engine Pre-Ignition Above Threshold
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Generic OBD-II
P2D10
Engine Pre-Ignition Above Threshold - Forced Limited Power
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Generic OBD-II
P2D11
Exhaust Flow Control Valve A Position Not Learned
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Generic OBD-II
P2D12
Exhaust Flow Control Valve B Position Not Learned
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Generic OBD-II
P2D13
Exhaust Flow Control Valve C Control Circuit/Open
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Generic OBD-II
P2D14
Exhaust Flow Control Valve C Control Circuit Low
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Generic OBD-II
P2D15
Exhaust Flow Control Valve C Control Circuit High
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Generic OBD-II
P2D16
Exhaust Flow Control Valve C Control Performance
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Generic OBD-II
P2D17
Exhaust Flow Control Valve C Position Circuit
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Generic OBD-II
P2D18
Exhaust Flow Control Valve C Position Circuit Range/Performance
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Generic OBD-II
P2D19
Exhaust Flow Control Valve C Position Circuit Low
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Generic OBD-II
P2D1A
Exhaust Flow Control Valve C Position Circuit High
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Generic OBD-II
P2D1B
Exhaust Flow Control Valve C Position Not Learned
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Generic OBD-II
P2D1C
Cold Start EGR A/B Ratio Performance
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Generic OBD-II
P2D1D
Reductant System Leak Detected – Small Leak
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Generic OBD-II
P2D1E
Reductant System Leak Detected – Large Leak
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Generic OBD-II
P2D1F
Reductant System Flow – Restricted
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Generic OBD-II
P2D20
Reductant System Flow – Blocked
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Generic OBD-II
P2D21
Turbocharger Interstage Pressure Sensor A Circuit
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Generic OBD-II
P2D22
Turbocharger Interstage Pressure Sensor A Circuit Range/Performance
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Generic OBD-II
P2D23
Turbocharger Interstage Pressure Sensor A Circuit Low
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Generic OBD-II
P2D24
Turbocharger Interstage Pressure Sensor A Circuit High
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Generic OBD-II
P2D25
Turbocharger Interstage Pressure Sensor A Circuit Intermittent/Erratic
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Generic OBD-II
P2D26
Coolant Pump E Control Circuit Performance/Stuck Off
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Generic OBD-II
P2D27
Coolant Pump F Control Circuit Performance/Stuck Off
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Generic OBD-II
P2D28
Cold Start Propulsion Torque Performance
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Generic OBD-II
P2D29
A/C Compressor Motor Stalled
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Generic OBD-II
P2D2A
Hybrid/EV Electronics Coolant Temperature Sensor A/B Correlation
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Generic OBD-II
P2D2B
Hybrid/EV Battery Pack Coolant Temperature Sensor A/B Correlation
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Generic OBD-II
P2D2C
Engine Coolant Temperature Measurement System - Multiple Sensor Correlation
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Generic OBD-II
P2D2D
Cold Start Intake Manifold Runner Performance Bank 1
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Generic OBD-II
P2D2E
Cold Start Intake Manifold Runner Performance Bank 2
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Generic OBD-II
P2D2F
Cold Start Turbocharger/Supercharger A Underboost
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Generic OBD-II
P2D30
Cold Start Turbocharger/Supercharger A Overboost
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Generic OBD-II
P2D31
Intake Manifold Tuning Valve Exceeded Learning Limit Bank 1
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Generic OBD-II
P2D32
Intake Manifold Tuning Valve Control Circuit Driver Current/Temperature Too High Bank 1
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Generic OBD-II
P2D33
Hybrid/EV Battery Inductive Charger Control Module Processor Performance
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Generic OBD-II
P2D34
Hybrid/EV Battery Inductive Charger Control Circuit Range/Performance
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Generic OBD-II
P2D35
Hybrid/EV Battery Inductive Charging System High Voltage Interlock Circuit Performance
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Generic OBD-II
P2D36
Hybrid/EV Battery Inductive Charger Output Voltage Performance
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Generic OBD-II
P2D37
Hybrid/EV Battery Inductive Charger Input Circuit Range/Performance
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Generic OBD-II
P2D38
Hybrid/EV Battery Pack Heater Performance
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Generic OBD-II
P2D39
Forced Hybrid/EV Battery Disconnect
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Generic OBD-II
P2D3A
Forced Hybrid/EV System Shutdown
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Generic OBD-II
P2D3B
Hybrid/EV Discharge System Fault
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Generic OBD-II
P2D3C
Cold Start Hybrid/EV Drive Motor Performance
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Generic OBD-II
P2D3D
Cold Start Hybrid/EV Drive Motor Inverter Torque Performance
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Generic OBD-II
P2D3E
Cold Start Hybrid/EV Battery Performance
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Generic OBD-II
P2D3F
Hybrid/EV Battery Cooling System B Performance
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Generic OBD-II
P2D40
Hybrid/EV Battery Cooling System C Performance
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Generic OBD-II
P2D41
A/C Compressor Motor Voltage B Performance
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Generic OBD-II
P2D42
A/C Compressor Motor Voltage B Low
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Generic OBD-II
P2D43
A/C Compressor Motor Voltage B High
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Generic OBD-II
P2D44
A/C Compressor Motor Performance
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Generic OBD-II
P2D45
Reductant Temperature Too Low
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Generic OBD-II
P2D46
Hybrid/EV Battery Pack B Over Temperature
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Generic OBD-II
P2D47
Hybrid/EV Battery Pack C Over Temperature
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Generic OBD-II
P2D48
Hybrid/EV Battery Pack D Over Temperature
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Generic OBD-II
P2D49
Hybrid/EV Battery Pack E Over Temperature
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Generic OBD-II
P2D4A
Hybrid/EV Battery Pack F Over Temperature
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Generic OBD-II
P2D4B
Hybrid/EV Battery Pack G Over Temperature
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Generic OBD-II
P2D4C
Hybrid/EV Battery Pack H Over Temperature
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Generic OBD-II
P2D4D
Hybrid/EV Battery Pack I Over Temperature
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Generic OBD-II
P2D4E
Hybrid/EV Battery Pack J Over Temperature
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Generic OBD-II
P2D4F
Hybrid/EV Battery Pack K Over Temperature
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Generic OBD-II
P2D50
Hybrid/EV Battery Pack L Over Temperature
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Generic OBD-II
P2D51
Air Assisted Injector Control Circuit
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Generic OBD-II
P2D52
Hybrid/EV Battery Pack Coolant Temperature Sensor C Circuit
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Generic OBD-II
P2D53
Hybrid/EV Battery Pack Coolant Temperature Sensor C Circuit Range/Performance
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Generic OBD-II
P2D54
Hybrid/EV Battery Pack Coolant Temperature Sensor C Circuit Low
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Generic OBD-II
P2D55
Hybrid/EV Battery Pack Coolant Temperature Sensor C Circuit High
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Generic OBD-II
P2D56
Hybrid/EV Battery Pack Coolant Temperature Sensor C Circuit Intermittent/Erratic
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Generic OBD-II
P2D57
Generator B Control Circuit Range/Performance
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Generic OBD-II
P2D58
Generator B Mechanical Performance
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Generic OBD-II
P2D59
Generator B Over Temperature
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Generic OBD-II
P2D5A
Reductant Level Sensor A/B Correlation
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Generic OBD-II
P2D5B
Battery Charging System Positive Contactor C Circuit
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Generic OBD-II
P2D5C
Battery Charging System Positive Contactor C Stuck Closed
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Generic OBD-II
P2D5D
Battery Charging System Positive Contactor C Stuck Open
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Generic OBD-II
P2D5E
Battery Charging System Positive Contactor C Control Circuit/Open
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Generic OBD-II
P2D5F
Battery Charging System Positive Contactor C Control Circuit Range/Performance
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Generic OBD-II
P2D60
Battery Charging System Positive Contactor C Control Circuit Low
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Generic OBD-II
P2D61
Battery Charging System Positive Contactor C Control Circuit High
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Generic OBD-II
P2D62
Battery Charging System Negative Contactor C Circuit
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Generic OBD-II
P2D63
Battery Charging System Negative Contactor C Stuck Closed
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Generic OBD-II
P2D64
Battery Charging System Negative Contactor C Stuck Open
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Generic OBD-II
P2D65
Battery Charging System Negative Contactor C Control Circuit/Open
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Generic OBD-II
P2D66
Battery Charging System Negative Contactor C Control Circuit Range/Performance
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Generic OBD-II
P2D67
Battery Charging System Negative Contactor C Control Circuit Low
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Generic OBD-II
P2D68
Battery Charging System Negative Contactor C Control Circuit High
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Generic OBD-II
P2D69
Battery Charging System Positive Contactor D Circuit
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Generic OBD-II
P2D6A
Battery Charging System Positive Contactor D Stuck Closed
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Generic OBD-II
P2D6B
Battery Charging System Positive Contactor D Stuck Open
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Generic OBD-II
P2D6C
Battery Charging System Positive Contactor D Control Circuit/Open
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Generic OBD-II
P2D6D
Battery Charging System Positive Contactor D Control Circuit Range/Performance
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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.