THE CODE DIRECTORY

Diagnostic code references — Page 37.

Browse canonical reference entries. Each definition keeps its own source and vehicle-applicability limits.

11,786 code references

Generic OBD-II
P0BFC

motor B phase W high is a sensor-range finding

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Generic OBD-II
P0BFD

motor A phase-current correlation is different from one high sensor

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Generic OBD-II
P0BFE

motor B correlation uses the three phase-current reports together

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Generic OBD-II
P0BFF

Drive Motor A Current

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Generic OBD-II
P0C00

Drive Motor A Current Low

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Generic OBD-II
P0C01

motor A overcurrent has fast and intermittent detection branches

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Generic OBD-II
P0C02

Drive Motor B Current

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Generic OBD-II
P0C03

Drive Motor B Current Low

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Generic OBD-II
P0C04

motor B overcurrent is filtered through two protective paths

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Generic OBD-II
P0C05

motor A missing-current detection depends on rotor position

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Generic OBD-II
P0C06

Drive Motor A Phase U-V-W Circuit Low

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Generic OBD-II
P0C07

Drive Motor A Phase U-V-W Circuit High

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Generic OBD-II
P0C08

motor B circuit-open detection uses a position-dependent current test

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Generic OBD-II
P0C09

Drive Motor B Phase U-V-W Circuit Low

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Generic OBD-II
P0C0A

Drive Motor B Phase U-V-W Circuit High

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Generic OBD-II
P0C0B

motor A inverter supply failure is reported through a bias-status flag

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Generic OBD-II
P0C0C

Drive Motor A Inverter Power Supply Circuit Low

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Generic OBD-II
P0C0D

Drive Motor A Inverter Power Supply Circuit High

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Generic OBD-II
P0C0E

motor B inverter power-supply faults use an internal status indication

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Generic OBD-II
P0C0F

Drive Motor B Inverter Power Supply Circuit Low

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Generic OBD-II
P0C10

Drive Motor B Inverter Power Supply Circuit High

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Generic OBD-II
P0C11

motor A phase U overheating requires a credible temperature signal

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Generic OBD-II
P0C12

motor A phase V thermal monitoring uses PIM Temp 2

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Generic OBD-II
P0C13

motor A phase W overheating is judged from a validated sensor channel

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Generic OBD-II
P0C14

motor B phase U overheating depends on PIM Temp 2 validity

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Generic OBD-II
P0C15

motor B phase V thermal diagnosis uses PIM Temp 0

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Generic OBD-II
P0C16

motor B phase W overheating is separate from sensor circuit failure

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Generic OBD-II
P0C17

motor A resolver learning can fail without proving a bad position sensor

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Generic OBD-II
P0C18

motor B not-learned status needs the reason for learning failure

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Generic OBD-II
P0C19

motor A torque performance combines several security checks

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Generic OBD-II
P0C1A

motor B torque performance needs the failed branch identified

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Generic OBD-II
P0C1B

Electric/Auxiliary Transmission Fluid Pump Control Module Internal Temperature Too High

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Generic OBD-II
P0C1C

Electric/Auxiliary Transmission Fluid Pump Control Module Internal Temperature Sensor Circuit

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Generic OBD-II
P0C1D

Electric/Auxiliary Transmission Fluid Pump Control Module Internal Temperature Sensor Circuit Range/Performance

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Generic OBD-II
P0C1E

Electric/Auxiliary Transmission Fluid Pump Control Module Internal Temperature Sensor Circuit Low

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Generic OBD-II
P0C1F

Electric/Auxiliary Transmission Fluid Pump Control Module Internal Temperature Sensor Circuit High

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Generic OBD-II
P0C20

Pump phase-current absence depends on command and rotor angle

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Generic OBD-II
P0C21

Electric/Auxiliary Transmission Fluid Pump Phase U-V-W Circuit Low

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Generic OBD-II
P0C22

Electric/Auxiliary Transmission Fluid Pump Phase U-V-W Circuit High

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Generic OBD-II
P0C23

Electric/Auxiliary Transmission Fluid Pump Control Module Circuit/Open

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Generic OBD-II
P0C24

Electric/Auxiliary Transmission Fluid Pump Control Module Circuit Low

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Generic OBD-II
P0C25

Electric/Auxiliary Transmission Fluid Pump Control Module Circuit High

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Generic OBD-II
P0C26

Electric/Auxiliary Transmission Fluid Pump A Motor Current

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Generic OBD-II
P0C27

Auxiliary-pump undercurrent is a decoded operating report, not feedback duty low

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Generic OBD-II
P0C28

Auxiliary-pump overcurrent must not be confused with feedback duty high

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Generic OBD-II
P0C29

The pump performance category combines current and speed evidence

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Generic OBD-II
P0C2A

A reported pump stall does not prove the motor is permanently seized

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Generic OBD-II
P0C2B

auxiliary transmission-pump feedback is a communication check here

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Generic OBD-II
P0C2C

Auxiliary-pump feedback frequency is separate from encoded pump performance

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Generic OBD-II
P0C2D

Low feedback duty cycle is not the same as low pump current

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Generic OBD-II
P0C2E

High feedback duty cycle must be separated from pump overcurrent

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Generic OBD-II
P0C2F

Why a hybrid speed-plausibility fault is more than a missing sensor signal

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Generic OBD-II
P0C30

Hybrid/EV Battery Pack State of Charge High

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Generic OBD-II
P0C31

Inverter B Cooling System Performance

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Generic OBD-II
P0C32

battery cooling performance depends on inlet temperature

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Generic OBD-II
P0C33

Hybrid/EV Battery Temperature Sensor F Circuit

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Generic OBD-II
P0C34

Sensor F performance uses the other module groups

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Generic OBD-II
P0C35

Sensor F low-circuit language is not a cold-temperature diagnosis

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Generic OBD-II
P0C36

Sensor F high circuit corresponds to the cold end of its scale

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Generic OBD-II
P0C37

Temperature sensor F has intermittent signal movement

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Generic OBD-II
P0C38

DC/DC Converter Temperature Sensor A Circuit

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Generic OBD-II
P0C39

DC/DC Converter Temperature Sensor A Range/Performance

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Generic OBD-II
P0C3A

DC/DC Converter Temperature Sensor A Low

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Generic OBD-II
P0C3B

DC/DC Converter Temperature Sensor A High

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Generic OBD-II
P0C3C

DC/DC Converter Temperature Sensor A Intermittent/Erratic

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Generic OBD-II
P0C3D

DC/DC Converter Temperature Sensor B Circuit

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Generic OBD-II
P0C3E

DC/DC Converter Temperature Sensor B Range/Performance

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Generic OBD-II
P0C3F

DC/DC Converter Temperature Sensor B Low

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Generic OBD-II
P0C40

DC/DC Converter Temperature Sensor B High

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Generic OBD-II
P0C41

DC/DC Converter Temperature Sensor B Intermittent/Erratic

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Generic OBD-II
P0C42

Hybrid/EV Battery Pack Coolant Temperature Sensor A Circuit

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Generic OBD-II
P0C43

Battery inlet-temperature plausibility depends on thermal mode

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Generic OBD-II
P0C44

Inlet-temperature circuit low can produce a hot converted reading

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Generic OBD-II
P0C45

Inlet-temperature circuit high can display below −40°C

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Generic OBD-II
P0C46

Battery coolant sensor A changes erratically

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Generic OBD-II
P0C47

Battery coolant-pump control line versus pump performance

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Generic OBD-II
P0C48

Hybrid/EV Battery Pack Coolant Pump A Control Circuit Low

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Generic OBD-II
P0C49

Hybrid/EV Battery Pack Coolant Pump A Control Circuit High

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Generic OBD-II
P0C4A

Pump performance uses a thermal response sequence

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Generic OBD-II
P0C4B

Hybrid/EV Battery Pack Coolant Pump A Supply Voltage Circuit/Open

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Generic OBD-II
P0C4C

Hybrid/EV Battery Pack Coolant Pump A Supply Voltage Circuit Low

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Generic OBD-II
P0C4D

Hybrid/EV Battery Pack Coolant Pump A Supply Voltage Circuit High

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Generic OBD-II
P0C4E

Motor A learned offset exceeded the accepted angle

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Generic OBD-II
P0C4F

Motor B learning can fail by range or by a sudden change

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Generic OBD-II
P0C50

Drive Motor A Position Sensor Circuit A

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Generic OBD-II
P0C51

Drive Motor A Position Sensor Circuit A Range/Performance

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Generic OBD-II
P0C52

motor A resolver circuit A low concerns the S13 reference

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Generic OBD-II
P0C53

motor A resolver circuit A high has its own reference-voltage filter

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Generic OBD-II
P0C54

Drive Motor A Position Sensor Circuit A Intermittent/Erratic

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Generic OBD-II
P0C55

Drive Motor B Position Sensor Circuit A

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Generic OBD-II
P0C56

Drive Motor B Position Sensor Circuit A Range/Performance

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Generic OBD-II
P0C57

motor B resolver circuit A low evaluates the S13 reference

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Generic OBD-II
P0C58

resolver circuit A high needs the motor B source-label caveat

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Generic OBD-II
P0C59

Drive Motor B Position Sensor Circuit A Intermittent/Erratic

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Generic OBD-II
P0C5A

Drive Motor A Position Sensor Circuit B

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Generic OBD-II
P0C5B

Drive Motor A Position Sensor Circuit B Range/Performance

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Generic OBD-II
P0C5C

motor A resolver circuit B low monitors the S24 reference

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Generic OBD-II
P0C5D

motor A resolver circuit B high is an S24 reference-range fault

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Generic OBD-II
P0C5E

Drive Motor A Position Sensor Circuit B Intermittent/Erratic

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Generic OBD-II
P0C5F

Drive Motor B Position Sensor Circuit B

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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.