THE CODE DIRECTORY
Diagnostic code references — Page 43.
Browse canonical reference entries. Each definition keeps its own source and vehicle-applicability limits.
Generic OBD-II
P0E54
DC/DC Converter Current Sensor A Circuit High
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Generic OBD-II
P0E55
DC/DC Converter Current Sensor A Circuit Intermittent/Erratic
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Generic OBD-II
P0E56
DC/DC Converter Input Voltage Too Low
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Generic OBD-II
P0E57
DC/DC Converter Input Voltage Too High
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Generic OBD-II
P0E58
DC/DC Converter Temperature Sensor C Circuit
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Generic OBD-II
P0E59
DC/DC Converter Temperature Sensor C Circuit Range/Performance
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Generic OBD-II
P0E5A
DC/DC Converter Temperature Sensor C Circuit Low
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Generic OBD-II
P0E5B
DC/DC Converter Temperature Sensor C Circuit High
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Generic OBD-II
P0E5C
DC/DC Converter Temperature Sensor C Circuit Intermittent/Erratic
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Generic OBD-II
P0E5D
DC/DC Converter Enable Circuit intermittent/Erratic
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Generic OBD-II
P0E5E
Battery Charger Control Module A Processor Performance
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Generic OBD-II
P0E5F
Battery Charger Coupler Temperature A Too High
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Generic OBD-II
P0E60
Battery Charge Mode Control Circuit Range/Performance
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Generic OBD-II
P0E61
Battery Charger A Enable Circuit/Open
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Generic OBD-II
P0E62
Battery Charger A Enable Circuit Low
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Generic OBD-II
P0E63
Battery Charger A Enable Circuit High
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Generic OBD-II
P0E64
Battery Charger A Enable Circuit Range/Performance
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Generic OBD-II
P0E65
Battery Charger Control Circuit/Open
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Generic OBD-II
P0E66
Battery Charger Control Circuit Low
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Generic OBD-II
P0E67
Battery Charger Control Circuit High
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Generic OBD-II
P0E68
Battery Charger Control Circuit Range/Performance
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Generic OBD-II
P0E69
Control Pilot Indicator Control Circuit Range/Performance
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Generic OBD-II
P0E6A
Battery Charging System Precharge Contactor Circuit
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Generic OBD-II
P0E6B
Battery Charging System Precharge Contactor Circuit Stuck Closed
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Generic OBD-II
P0E6C
Battery Charging System Precharge Contactor Circuit Stuck Open
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Generic OBD-II
P0E6D
Battery Charging System Precharge Contactor Control Circuit/Open
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Generic OBD-II
P0E6E
Battery Charging System Precharge Contactor Control Circuit Range/Performance
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Generic OBD-II
P0E6F
Battery Charging System Precharge Contactor Control Circuit Low
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Generic OBD-II
P0E70
Battery Charging System Precharge Contactor Control Circuit High
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Generic OBD-II
P0E71
Generator Torque Delivered Performance
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Generic OBD-II
P0E72
Control Pilot Signal Low Frequency
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Generic OBD-II
P0E73
Control Pilot Signal High Frequency
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Generic OBD-II
P0E74
Hybrid/EV Battery Voltage Internal Isolation Fault
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Generic OBD-II
P0E75
Coolant Bypass Valve A Control Circuit/Open
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Generic OBD-II
P0E76
Coolant Bypass Valve A Control Circuit Low
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Generic OBD-II
P0E77
Coolant Bypass Valve A Control Circuit High
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Generic OBD-II
P0E78
Coolant Bypass Valve A Control Circuit Range/Performance
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Generic OBD-II
P0E79
Coolant Bypass Valve A Control Stuck/Open
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Generic OBD-II
P0E7A
Coolant Bypass Valve A Control Stuck Closed
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Generic OBD-II
P0E7B
Coolant Bypass Valve B Control Circuit/Open
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Generic OBD-II
P0E7C
Coolant Bypass Valve B Control Circuit Low
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Generic OBD-II
P0E7D
Coolant Bypass Valve B Control Circuit High
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Generic OBD-II
P0E7E
Coolant Bypass Valve B Control Circuit Range/Performance
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Generic OBD-II
P0E7F
Coolant Bypass Valve B Control Stuck/Open
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Generic OBD-II
P0E80
Coolant Bypass Valve B Control Stuck Closed
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Generic OBD-II
P0E81
Auxiliary Cooling System Coolant Temperature Sensor A Circuit
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Generic OBD-II
P0E82
Auxiliary Cooling System Coolant Temperature Sensor A Circuit Range/Performance
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Generic OBD-II
P0E83
Auxiliary Cooling System Coolant Temperature Sensor A Circuit Low
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Generic OBD-II
P0E84
Auxiliary Cooling System Coolant Temperature Sensor A Circuit High
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Generic OBD-II
P0E85
Battery Charger B Temperature Too High
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Generic OBD-II
P0E86
Battery Charger B Input Voltage Too Low
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Generic OBD-II
P0E87
Battery Charger B Input Voltage Too High
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Generic OBD-II
P0E88
Battery Charger B Input Current Too Low
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Generic OBD-II
P0E89
Battery Charger B Input Current Too High
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Generic OBD-II
P0E8A
Battery Charger B Input Current Sensor Circuit
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Generic OBD-II
P0E8B
Battery Charger B Input Voltage Sensor Circuit
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Generic OBD-II
P0E8C
Drive Motor A Inverter Voltage Sensor B” Circuit
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Generic OBD-II
P0E8D
Drive Motor A Inverter Voltage Sensor B” Circuit Range/Performance
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Generic OBD-II
P0E8E
Drive Motor A Inverter Voltage Sensor B” Circuit Low
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Generic OBD-II
P0E8F
Drive Motor A Inverter Voltage Sensor B” Circuit High
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Generic OBD-II
P0E90
Drive Motor A Inverter Voltage Sensor B” Circuit Intermittent/Erratic
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Generic OBD-II
P0E91
Drive Motor B Inverter Voltage Sensor B” Circuit
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Generic OBD-II
P0E92
Drive Motor B Inverter Voltage Sensor B” Circuit Range/Performance
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Generic OBD-II
P0E93
Drive Motor B Inverter Voltage Sensor B” Circuit Low
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Generic OBD-II
P0E94
Drive Motor B Inverter Voltage Sensor B” Circuit High
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Generic OBD-II
P0E95
Drive Motor B Inverter Voltage Sensor B” Circuit Intermittent/Erratic
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Generic OBD-II
P0E96
DC/DC Converter Voltage Sensor C Circuit
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Generic OBD-II
P0E97
DC/DC Converter Voltage Sensor C Circuit Range/Performance
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Generic OBD-II
P0E98
DC/DC Converter Voltage Sensor C Circuit Low
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Generic OBD-II
P0E99
DC/DC Converter Voltage Sensor C Circuit High
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Generic OBD-II
P0E9A
DC/DC Converter Voltage Sensor C Circuit Intermittent/Erratic
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Generic OBD-II
P0E9B
DC/DC Converter Current Sensor B Circuit
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Generic OBD-II
P0E9C
DC/DC Converter Current Sensor B Circuit Range/Performance
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Generic OBD-II
P0E9D
DC/DC Converter Current Sensor B Circuit Low
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Generic OBD-II
P0E9E
DC/DC Converter Current Sensor B Circuit High
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Generic OBD-II
P0E9F
DC/DC Converter Current Sensor B Circuit Intermittent/Erratic
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Generic OBD-II
P0EA0
DC/DC Converter Current Sensor C Circuit
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Generic OBD-II
P0EA1
DC/DC Converter Current Sensor C Circuit Range/Performance
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Generic OBD-II
P0EA2
DC/DC Converter Current Sensor C Circuit Low
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Generic OBD-II
P0EA3
DC/DC Converter Current Sensor C Circuit High
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Generic OBD-II
P0EA4
DC/DC Converter Current Sensor C Circuit Intermittent/Erratic
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Generic OBD-II
P0EA5
DC/DC Converter B Performance
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Generic OBD-II
P0EA6
DC/DC Converter B Over Temperature
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Generic OBD-II
P0EA7
Auxiliary Cooling System Performance
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Generic OBD-II
P0EA8
A/C Compressor Motor Voltage Sensor B Circuit
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Generic OBD-II
P0EA9
A/C Compressor Motor Voltage Sensor B Circuit Performance
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Generic OBD-II
P0EAA
A/C Compressor Motor Voltage Sensor B Circuit High
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Generic OBD-II
P0EAB
A/C Compressor Motor Voltage Sensor B Circuit Low
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Generic OBD-II
P0EAC
A/C Compressor Motor Voltage Sensor B Circuit Intermittent/Erratic
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Generic OBD-II
P0EAD
A/C Compressor Motor Current Sensor Circuit
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Generic OBD-II
P0EAE
A/C Compressor Motor Current Sensor Range/Performance
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Generic OBD-II
P0EAF
A/C Compressor Motor Current Sensor Circuit Low
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Generic OBD-II
P0EB0
A/C Compressor Motor Current Sensor Circuit High
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Generic OBD-II
P0EB1
A/C Compressor Motor Phase U Current Sensor Circuit
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Generic OBD-II
P0EB2
A/C Compressor Motor Phase U Current Sensor Circuit High
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Generic OBD-II
P0EB3
A/C Compressor Motor Phase U Current Sensor Circuit Low
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Generic OBD-II
P0EB4
A/C Compressor Motor Phase U Current Sensor Range/Performance
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Generic OBD-II
P0EB5
A/C Compressor Motor Phase V Current Sensor Circuit High
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Generic OBD-II
P0EB6
A/C Compressor Motor Phase V Current Sensor Circuit Low
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Generic OBD-II
P0EB7
A/C Compressor Motor Phase V Current Sensor 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.