THE CODE DIRECTORY
Diagnostic code references — Page 34.
Browse canonical reference entries. Each definition keeps its own source and vehicle-applicability limits.
Generic OBD-II
P0AD0
Hybrid/EV Battery Pack Cooling Fan 3 Performance/Stuck Off
PowertrainRead the code
Generic OBD-II
P0AD1
Hybrid/EV Battery Pack Cooling Fan 3 Stuck On
PowertrainRead the code
Generic OBD-II
P0AD2
Hybrid/EV Battery Pack Cooling Fan 3 Control Circuit Low
PowertrainRead the code
Generic OBD-II
P0AD3
Hybrid/EV Battery Pack Cooling Fan 3 Control Circuit High
PowertrainRead the code
Generic OBD-II
P0AD4
Wagoneer battery-airflow indication and BPCM software
PowertrainRead article
Generic OBD-II
P0AD5
Hybrid/EV Battery Pack Air Flow Valve A Control Circuit/Open
PowertrainRead the code
Generic OBD-II
P0AD6
Hybrid/EV Battery Pack Air Flow Valve A Control Circuit Range/Performance
PowertrainRead the code
Generic OBD-II
P0AD7
Hybrid/EV Battery Pack Air Flow Valve A Control Circuit Low
PowertrainRead the code
Generic OBD-II
P0AD8
Hybrid/EV Battery Pack Air Flow Valve A Control Circuit High
PowertrainRead the code
Generic OBD-II
P0AD9
positive-contactor driver response does not match the command
PowertrainRead article
Generic OBD-II
P0ADA
Hybrid/EV Battery Positive Contactor Control Circuit Range/Performance
PowertrainRead the code
Generic OBD-II
P0ADB
Contactor control-low classification uses high feedback duty
PowertrainRead article
Generic OBD-II
P0ADC
Contactor control-high classification uses low feedback duty
PowertrainRead article
Generic OBD-II
P0ADD
negative-contactor control feedback fails its state comparison
PowertrainRead article
Generic OBD-II
P0ADE
Hybrid/EV Battery Negative Contactor Control Circuit Range/Performance
PowertrainRead the code
Generic OBD-II
P0ADF
Negative contactor control is low during an on command
PowertrainRead article
Generic OBD-II
P0AE0
Negative contactor output stays high when commanded off
PowertrainRead article
Generic OBD-II
P0AE1
Hybrid/EV Battery Precharge Contactor Circuit
PowertrainRead the code
Generic OBD-II
P0AE2
precharge path appears closed from the bus-to-battery ratio
PowertrainRead article
Generic OBD-II
P0AE3
Precharge bus voltage did not rise as expected
PowertrainRead article
Generic OBD-II
P0AE4
precharge driver feedback is inconsistent with its command
PowertrainRead article
Generic OBD-II
P0AE5
Hybrid/EV Battery Precharge Contactor A Control Circuit Range/Performance
PowertrainRead the code
Generic OBD-II
P0AE6
Precharge contactor control is low while enabled
PowertrainRead article
Generic OBD-II
P0AE7
Precharge contactor driver reads high when off
PowertrainRead article
Generic OBD-II
P0AE8
Hybrid/EV Battery Temperature Sensor D Circuit
PowertrainRead the code
Generic OBD-II
P0AE9
Battery temperature input four must differ from all three references
PowertrainRead article
Generic OBD-II
P0AEA
Battery input four circuit low requires a contrasting temperature pattern
PowertrainRead article
Generic OBD-II
P0AEB
Battery input four circuit high is an extreme-cold signal diagnosis
PowertrainRead article
Generic OBD-II
P0AEC
Temperature sensor D's changes exceed the stability test
PowertrainRead article
Generic OBD-II
P0AED
Drive Motor Inverter Temperature Sensor A Circuit
PowertrainRead the code
Generic OBD-II
P0AEE
Inverter-A temperature input zero is compared with the inverter average
PowertrainRead article
Generic OBD-II
P0AEF
Inverter-A sensor circuit low produces a hot indicated temperature
PowertrainRead article
Generic OBD-II
P0AF0
Inverter-A circuit high is a cold indication with a startup qualification
PowertrainRead article
Generic OBD-II
P0AF1
Drive Motor Inverter Temperature Sensor A Circuit Intermittent/Erratic
PowertrainRead the code
Generic OBD-II
P0AF2
Drive Motor Inverter Temperature Sensor B Circuit
PowertrainRead the code
Generic OBD-II
P0AF3
The generic B-temperature code maps to inverter-B sensor one in this document
PowertrainRead article
Generic OBD-II
P0AF4
Inverter-B input zero can fail electrically low while reading hot
PowertrainRead article
Generic OBD-II
P0AF5
Inverter-B sensor high is a cold-limit test with warmup context
PowertrainRead article
Generic OBD-II
P0AF6
Drive Motor Inverter Temperature Sensor B Circuit Intermittent/Erratic
PowertrainRead the code
Generic OBD-II
P0AF7
The auxiliary power module reports excessive internal temperature
PowertrainRead article
Generic OBD-II
P0AF8
Battery and generator-controller voltage measurements disagree
PowertrainRead article
Generic OBD-II
P0AF9
Hybrid/EV Battery System Voltage Unstable
PowertrainRead the code
Generic OBD-II
P0AFA
Hybrid output voltage falls below its monitored minimum
PowertrainRead article
Generic OBD-II
P0AFB
Battery voltage is compared with a safety limit rather than one fixed value
PowertrainRead article
Generic OBD-II
P0AFC
Hybrid/EV Battery Pack Sensor Module
PowertrainRead the code
Generic OBD-II
P0AFD
Hybrid/EV Battery Pack Temperature Too Low
PowertrainRead the code
Generic OBD-II
P0AFE
Hybrid/EV Battery System Voltage Too Low for Voltage Step Up Conversion
PowertrainRead the code
Generic OBD-II
P0AFF
System Voltage Too Low for Voltage Step Down Conversion
PowertrainRead the code
Generic OBD-II
P0B00
Electric/Auxiliary Transmission Fluid Pump Motor Phase U Current
PowertrainRead the code
Generic OBD-II
P0B01
Auxiliary transmission-pump phase U current is too low
PowertrainRead article
Generic OBD-II
P0B02
Electric/Auxiliary Transmission Fluid Pump Motor Phase U Current High
PowertrainRead the code
Generic OBD-II
P0B03
Electric/Auxiliary Transmission Fluid Pump Motor Phase V Current
PowertrainRead the code
Generic OBD-II
P0B04
Auxiliary transmission-pump phase V lacks expected current
PowertrainRead article
Generic OBD-II
P0B05
Electric/Auxiliary Transmission Fluid Pump Motor Phase V Current High
PowertrainRead the code
Generic OBD-II
P0B06
Electric/Auxiliary Transmission Fluid Pump Motor Phase W Current
PowertrainRead the code
Generic OBD-II
P0B07
Auxiliary transmission-pump phase W current is insufficient
PowertrainRead article
Generic OBD-II
P0B08
Electric/Auxiliary Transmission Fluid Pump Motor Phase W Current High
PowertrainRead the code
Generic OBD-II
P0B09
Auxiliary transmission-pump supply relay feedback disagrees
PowertrainRead article
Generic OBD-II
P0B0A
Electric/Auxiliary Transmission Fluid Pump A Motor Supply Voltage Circuit Low
PowertrainRead the code
Generic OBD-II
P0B0B
Electric/Auxiliary Transmission Fluid Pump A Motor Supply Voltage Circuit High
PowertrainRead the code
Generic OBD-II
P0B0C
Electric/Auxiliary Transmission Fluid Pump A Hydraulic Leakage
PowertrainRead the code
Generic OBD-II
P0B0D
The auxiliary-pump module label can describe an incorrect-speed report
PowertrainRead article
Generic OBD-II
P0B0E
Hybrid/EV Battery Pack Current Sensor B Circuit
PowertrainRead the code
Generic OBD-II
P0B0F
Hybrid/EV Battery Pack Current Sensor B Circuit Range/Performance
PowertrainRead the code
Generic OBD-II
P0B10
fine battery-current sensing is below its lower range
PowertrainRead article
Generic OBD-II
P0B11
fine current-sensor feedback is above its upper range
PowertrainRead article
Generic OBD-II
P0B12
Hybrid/EV Battery Pack Current Sensor B Circuit Intermittent/Erratic
PowertrainRead the code
Generic OBD-II
P0B13
fine and coarse battery-current measurements disagree
PowertrainRead article
Generic OBD-II
P0B14
Hybrid/EV Battery Pack Voltage Sense B Circuit
PowertrainRead the code
Generic OBD-II
P0B15
Hybrid/EV Battery Pack Voltage Sense B Circuit Range/Performance
PowertrainRead the code
Generic OBD-II
P0B16
Low voltage in the Mazda M Hybrid battery output monitor
PowertrainRead article
Generic OBD-II
P0B17
Hybrid battery output monitor above its allowed voltage
PowertrainRead article
Generic OBD-II
P0B18
Hybrid/EV Battery Pack Voltage Sense B Circuit Intermittent/Erratic
PowertrainRead the code
Generic OBD-II
P0B19
An invalid pack-voltage value is not proof that the battery is discharged
PowertrainRead article
Generic OBD-II
P0B1A
Hybrid/EV Battery Pack Voltage Sense C Circuit Range/Performance
PowertrainRead the code
Generic OBD-II
P0B1B
Hybrid/EV Battery Pack Voltage Sense C Circuit Low
PowertrainRead the code
Generic OBD-II
P0B1C
Hybrid/EV Battery Pack Voltage Sense C Circuit High
PowertrainRead the code
Generic OBD-II
P0B1D
Hybrid/EV Battery Pack Voltage Sense C Circuit Intermittent/Erratic
PowertrainRead the code
Generic OBD-II
P0B1E
Hybrid/EV Battery Pack Voltage Sense D Circuit
PowertrainRead the code
Generic OBD-II
P0B1F
Hybrid/EV Battery Pack Voltage Sense D Circuit Range/Performance
PowertrainRead the code
Generic OBD-II
P0B20
Hybrid/EV Battery Pack Voltage Sense D Circuit Low
PowertrainRead the code
Generic OBD-II
P0B21
Hybrid/EV Battery Pack Voltage Sense D Circuit High
PowertrainRead the code
Generic OBD-II
P0B22
Hybrid/EV Battery Pack Voltage Sense D Circuit Intermittent/Erratic
PowertrainRead the code
Generic OBD-II
P0B23
Hybrid/EV Battery A Voltage
PowertrainRead the code
Generic OBD-II
P0B24
Hybrid/EV Battery A Voltage Unstable
PowertrainRead the code
Generic OBD-II
P0B25
Hybrid/EV Battery A Voltage Low
PowertrainRead the code
Generic OBD-II
P0B26
Hybrid/EV Battery A Voltage High
PowertrainRead the code
Generic OBD-II
P0B27
Hybrid/EV Battery B Voltage
PowertrainRead the code
Generic OBD-II
P0B28
Hybrid/EV Battery B Voltage Unstable
PowertrainRead the code
Generic OBD-II
P0B29
Hybrid/EV Battery B Voltage Low
PowertrainRead the code
Generic OBD-II
P0B2A
Hybrid/EV Battery B Voltage High
PowertrainRead the code
Generic OBD-II
P0B2B
Hybrid/EV Battery C Voltage
PowertrainRead the code
Generic OBD-II
P0B2C
Hybrid/EV Battery C Voltage Unstable
PowertrainRead the code
Generic OBD-II
P0B2D
Hybrid/EV Battery C Voltage Low
PowertrainRead the code
Generic OBD-II
P0B2E
Hybrid/EV Battery C Voltage High
PowertrainRead the code
Generic OBD-II
P0B2F
Hybrid/EV Battery D Voltage
PowertrainRead the code
Generic OBD-II
P0B30
Hybrid/EV Battery D Voltage Unstable
PowertrainRead the code
Generic OBD-II
P0B31
Hybrid/EV Battery D Voltage Low
PowertrainRead the code
Generic OBD-II
P0B32
Hybrid/EV Battery D Voltage High
PowertrainRead the code
Generic OBD-II
P0B33
High Voltage Service Disconnect Circuit
PowertrainRead the code
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.