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Powertrain code references — Page 28.
Engine, transmission and powertrain diagnostic references. Exact vehicle and module context still matters.
Generic OBD-II
P0B13
fine and coarse battery-current measurements disagree
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Generic OBD-II
P0B14
Hybrid/EV Battery Pack Voltage Sense B Circuit
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Generic OBD-II
P0B15
Hybrid/EV Battery Pack Voltage Sense B Circuit Range/Performance
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Generic OBD-II
P0B16
Low voltage in the Mazda M Hybrid battery output monitor
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Generic OBD-II
P0B17
Hybrid battery output monitor above its allowed voltage
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Generic OBD-II
P0B18
Hybrid/EV Battery Pack Voltage Sense B Circuit Intermittent/Erratic
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Generic OBD-II
P0B19
An invalid pack-voltage value is not proof that the battery is discharged
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Generic OBD-II
P0B1A
Hybrid/EV Battery Pack Voltage Sense C Circuit Range/Performance
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Generic OBD-II
P0B1B
Hybrid/EV Battery Pack Voltage Sense C Circuit Low
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Generic OBD-II
P0B1C
Hybrid/EV Battery Pack Voltage Sense C Circuit High
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Generic OBD-II
P0B1D
Hybrid/EV Battery Pack Voltage Sense C Circuit Intermittent/Erratic
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Generic OBD-II
P0B1E
Hybrid/EV Battery Pack Voltage Sense D Circuit
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Generic OBD-II
P0B1F
Hybrid/EV Battery Pack Voltage Sense D Circuit Range/Performance
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Generic OBD-II
P0B20
Hybrid/EV Battery Pack Voltage Sense D Circuit Low
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Generic OBD-II
P0B21
Hybrid/EV Battery Pack Voltage Sense D Circuit High
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Generic OBD-II
P0B22
Hybrid/EV Battery Pack Voltage Sense D Circuit Intermittent/Erratic
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Generic OBD-II
P0B23
Hybrid/EV Battery A Voltage
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Generic OBD-II
P0B24
Hybrid/EV Battery A Voltage Unstable
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Generic OBD-II
P0B25
Hybrid/EV Battery A Voltage Low
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Generic OBD-II
P0B26
Hybrid/EV Battery A Voltage High
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Generic OBD-II
P0B27
Hybrid/EV Battery B Voltage
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Generic OBD-II
P0B28
Hybrid/EV Battery B Voltage Unstable
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Generic OBD-II
P0B29
Hybrid/EV Battery B Voltage Low
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Generic OBD-II
P0B2A
Hybrid/EV Battery B Voltage High
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Generic OBD-II
P0B2B
Hybrid/EV Battery C Voltage
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Generic OBD-II
P0B2C
Hybrid/EV Battery C Voltage Unstable
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Generic OBD-II
P0B2D
Hybrid/EV Battery C Voltage Low
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Generic OBD-II
P0B2E
Hybrid/EV Battery C Voltage High
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Generic OBD-II
P0B2F
Hybrid/EV Battery D Voltage
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Generic OBD-II
P0B30
Hybrid/EV Battery D Voltage Unstable
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Generic OBD-II
P0B31
Hybrid/EV Battery D Voltage Low
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Generic OBD-II
P0B32
Hybrid/EV Battery D Voltage High
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Generic OBD-II
P0B33
High Voltage Service Disconnect Circuit
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Generic OBD-II
P0B34
High Voltage Service Disconnect Circuit Performance
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Generic OBD-II
P0B35
High Voltage Service Disconnect Circuit Low
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Generic OBD-II
P0B36
High Voltage Service Disconnect Circuit High
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Generic OBD-II
P0B37
High Voltage Service Disconnect Open
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Generic OBD-II
P0B38
Motor Electronics Coolant Pump B Control Circuit/Open
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Generic OBD-II
P0B39
Motor Electronics Coolant Pump B Control Circuit Low
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Generic OBD-II
P0B3A
Motor Electronics Coolant Pump B Control Circuit High
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Generic OBD-II
P0B3B
battery sense channel A needs an open-line investigation
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Generic OBD-II
P0B3C
Block-one voltage is scaled and compared with the whole pack
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Generic OBD-II
P0B3D
The first battery block has a direct low-signal check
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Generic OBD-II
P0B3E
Block-one circuit high is a signal-limit event, not a charging diagnosis
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Generic OBD-II
P0B3F
Hybrid/EV Battery Voltage Sense A Circuit Intermittent/Erratic
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Generic OBD-II
P0B40
zero battery readings do not automatically mean dead cells
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Generic OBD-II
P0B41
Block-two rationality also depends on the block-three comparison
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Generic OBD-II
P0B42
The block-two low monitor requires block three to be low as well
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Generic OBD-II
P0B43
Block-two high voltage is evaluated without the paired low condition
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Generic OBD-II
P0B44
Hybrid/EV Battery Voltage Sense B Circuit Intermittent/Erratic
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Generic OBD-II
P0B45
sense circuit C should be read alongside adjacent channels
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Generic OBD-II
P0B46
Blocks three and four are both part of the block-three plausibility test
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Generic OBD-II
P0B47
A low block-three report includes the block-four signal
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Generic OBD-II
P0B48
Block-three circuit high checks the named input directly
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Generic OBD-II
P0B49
Hybrid/EV Battery Voltage Sense C Circuit Intermittent/Erratic
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Generic OBD-II
P0B4A
busbar sensing and cell condition must be separated
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Generic OBD-II
P0B4B
Block-four plausibility includes a second comparison using block five
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Generic OBD-II
P0B4C
The block-four low-limit check also watches block five
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Generic OBD-II
P0B4D
Block-four high sensing is a single-channel upper-limit test
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Generic OBD-II
P0B4E
Hybrid/EV Battery Voltage Sense D Circuit Intermittent/Erratic
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Generic OBD-II
P0B4F
sense channel E needs valid module communication first
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Generic OBD-II
P0B50
Block-five rationality continues across a page boundary and includes block six
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Generic OBD-II
P0B51
Block-five circuit low requires a matching low block-six indication
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Generic OBD-II
P0B52
The block-five upper sensing limit does not depend on block six
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Generic OBD-II
P0B53
Hybrid/EV Battery Voltage Sense E Circuit Intermittent/Erratic
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Generic OBD-II
P0B54
sense circuit F uses a sustained open-detection window
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Generic OBD-II
P0B55
Block-six rationality has a source-label discrepancy in its validity condition
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Generic OBD-II
P0B56
Block-six low sensing is qualified by block seven as well
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Generic OBD-II
P0B57
Block-six circuit high evaluates one upper signal limit
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Generic OBD-II
P0B58
Hybrid/EV Battery Voltage Sense F Circuit Intermittent/Erratic
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Generic OBD-II
P0B59
cell-balancing faults can prevent a valid sense-G evaluation
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Generic OBD-II
P0B5A
battery block 7 plausibility depends on the pack-voltage comparison
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Generic OBD-II
P0B5B
why a block 7 low reading must be considered with block 8
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Generic OBD-II
P0B5C
a high block 7 signal is not the same as pack overvoltage
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Generic OBD-II
P0B5D
Hybrid/EV Battery Voltage Sense G Circuit Intermittent/Erratic
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Generic OBD-II
P0B5E
sense-H readings need the controller test state recorded
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Generic OBD-II
P0B5F
block 8 rationality needs two sustained comparison errors
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Generic OBD-II
P0B60
two low block readings define this circuit H diagnosis
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Generic OBD-II
P0B61
block 8 high-voltage sensing versus a rationality fault
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Generic OBD-II
P0B62
Hybrid/EV Battery Voltage Sense H Circuit Intermittent/Erratic
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Generic OBD-II
P0B63
sense circuit I is a channel label, not a pack replacement order
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Generic OBD-II
P0B64
block 9 performance cannot be judged from one voltage alone
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Generic OBD-II
P0B65
the block 9 low-range test includes block 10
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Generic OBD-II
P0B66
a repeated high block 9 measurement requires source-aware diagnosis
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Generic OBD-II
P0B67
Hybrid/EV Battery Voltage Sense I Circuit Intermittent/Erratic
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Generic OBD-II
P0B68
sense-J diagnosis continues the shared open-line monitor
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Generic OBD-II
P0B69
block 10 rationality compares two scaled readings with the pack
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Generic OBD-II
P0B6A
block 10 and block 11 must both satisfy the low-reading rule
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Generic OBD-II
P0B6B
block 10 high sensing uses a direct range threshold
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Generic OBD-II
P0B6C
Hybrid/EV Battery Voltage Sense J Circuit Intermittent/Erratic
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Generic OBD-II
P0B6D
common sensing power can affect the circuit-K voltage pattern
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Generic OBD-II
P0B6E
block 11 performance is a comparison diagnosis
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Generic OBD-II
P0B6F
block 11 low voltage is evaluated with the next block
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Generic OBD-II
P0B70
interpret block 11 high as a measurement finding
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Generic OBD-II
P0B71
Hybrid/EV Battery Voltage Sense K Circuit Intermittent/Erratic
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Generic OBD-II
P0B72
Battery voltage sense L has excessive calculated resistance
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Generic OBD-II
P0B73
block 12 rationality requires the block 13 comparison too
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Generic OBD-II
P0B74
a circuit L low report is based on two block values
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Generic OBD-II
P0B75
block 12 high sensing has its own filtered threshold
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Generic OBD-II
P0B76
Hybrid/EV Battery Voltage Sense L Circuit Intermittent/Erratic
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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.