THE CODE DIRECTORY
Diagnostic code references — Page 44.
Browse canonical reference entries. Each definition keeps its own source and vehicle-applicability limits.
Generic OBD-II
P0EB8
A/C Compressor Motor Phase W Current Sensor Circuit High
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Generic OBD-II
P0EB9
A/C Compressor Motor Phase W Current Sensor Circuit Low
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Generic OBD-II
P0EBA
A/C Compressor Motor Phase W Current Sensor Range/Performace
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Generic OBD-II
P0EBB
A/C Compressor Motor Phase V Current Sensor Circuit
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Generic OBD-II
P0EBC
A/C Refrigerant Temperature Sensor A Circuit
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Generic OBD-II
P0EBD
A/C Refrigerant Temperature Sensor A Circuit High
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Generic OBD-II
P0EBE
A/C Refrigerant Temperature Sensor A Circuit Low
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Generic OBD-II
P0EBF
A/C Refrigerant Temperature Sensor A Range/Performance
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Generic OBD-II
P0EC0
A/C Compressor Motor Phase W Current Sensor Circuit
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Generic OBD-II
P0EC1
A/C Refrigerant Temperature Sensor B Circuit
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Generic OBD-II
P0EC2
A/C Refrigerant Temperature Sensor B Circuit High
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Generic OBD-II
P0EC3
A/C Refrigerant Temperature Sensor B Circuit Low
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Generic OBD-II
P0EC4
A/C Refrigerant Temperature Sensor B Range/Performance
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Generic OBD-II
P0EC5
A/C Compressor Motor Speed Sensor Range/Performance
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Generic OBD-II
P0EC6
A/C Power Supply Relay Control Circuit/Open
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Generic OBD-II
P0EC7
A/C Power Supply Relay Control Circuit Low
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Generic OBD-II
P0EC8
A/C Power Supply Relay Control Circuit High
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Generic OBD-II
P0EC9
A/C Refrigerant Distribution Valve A Stuck/Open
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Generic OBD-II
P0ECA
Hybrid/EV Battery Temperature Sensor System - Multiple Sensor Correlation
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Generic OBD-II
P0ECB
Hybrid/EV Battery Voltage Sensor System - Multiple Sensor Correlation
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Generic OBD-II
P0ECC
Hybrid/EV Battery E Voltage
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Generic OBD-II
P0ECD
Hybrid/EV Battery E Voltage Unstable
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Generic OBD-II
P0ECE
Hybrid/EV Battery E Voltage Low
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Generic OBD-II
P0ECF
Hybrid/EV Battery E Voltage High
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Generic OBD-II
P0ED0
Hybrid/EV Battery F Voltage
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Generic OBD-II
P0ED1
Hybrid/EV Battery F Voltage Unstable
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Generic OBD-II
P0ED2
Hybrid/EV Battery F Voltage Low
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Generic OBD-II
P0ED3
Hybrid/EV Battery F Voltage High
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Generic OBD-II
P0ED4
Generator Phase X Current
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Generic OBD-II
P0ED5
Generator Phase X Current Low
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Generic OBD-II
P0ED6
Generator Phase X Current High
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Generic OBD-II
P0ED7
Generator Phase Y Current
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Generic OBD-II
P0ED8
Generator Phase Y Current Low
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Generic OBD-II
P0ED9
Generator Phase Y Current High
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Generic OBD-II
P0EDA
Generator Phase Z Current
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Generic OBD-II
P0EDB
Generator Phase Z Current Low
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Generic OBD-II
P0EDC
Generator Phase Z Current High
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Generic OBD-II
P0EDD
Hybrid/EV Battery Pack B Deterioration
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Generic OBD-II
P0EDE
Hybrid/EV Battery Pack C Deterioration
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Generic OBD-II
P0EDF
Hybrid/EV Battery Pack D Deterioration
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Generic OBD-II
P0EE0
Hybrid/EV Battery Pack E Deterioration
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Generic OBD-II
P0EE1
Hybrid/EV Battery Pack F Deterioration
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Generic OBD-II
P0EE2
A/C Refrigerant Distribution Valve B Stuck/Open
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Generic OBD-II
P0EE3
A/C Refrigerant Distribution Valve B Control Circuit/Open
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Generic OBD-II
P0EE4
A/C Refrigerant Distribution Valve B Control Circuit Low
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Generic OBD-II
P0EE5
A/C Refrigerant Distribution Valve B Control Circuit High
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Generic OBD-II
P0EE6
A/C Refrigerant Distribution Valve B Control Circuit Driver Current/Temperature Too High
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Generic OBD-II
P0EE7
Battery Charger Coupler Temperature Sensor B Circuit
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Generic OBD-II
P0EE8
Battery Charger Coupler Temperature Sensor B Circuit Range/Performance
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Generic OBD-II
P0EE9
Battery Charger Coupler Temperature Sensor B Circuit Low
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Generic OBD-II
P0EEA
Battery Charger Coupler Temperature Sensor B Circuit High
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Generic OBD-II
P0EEB
Battery Charger Coupler Temperature Sensor B Circuit Intermittent/Erratic
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Generic OBD-II
P0EEC
Battery Energy Control Module B Performance
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Generic OBD-II
P0EED
Hybrid/EV Battery System Discharge Circuit Performance
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Generic OBD-II
P0EEE
Ford DC fast-charge interruption with P0EEE:27
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Generic OBD-II
P0EEF
Drive Motor A Control Module Overtemperature
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Generic OBD-II
P0EF0
Battery Charger Coupler Unlock Disabled - High Voltage Present
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Generic OBD-II
P0EF1
Drive Motor C Temperature Sensor Circuit
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Generic OBD-II
P0EF2
Drive Motor C Temperature Sensor Range/Performance
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Generic OBD-II
P0EF3
Drive Motor C Temperature Sensor Circuit Low
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Generic OBD-II
P0EF4
Drive Motor C Temperature Sensor Circuit High
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Generic OBD-II
P0EF5
Drive Motor C Temperature Sensor Circuit Intermittent/Erratic
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Generic OBD-II
P0EF6
Drive Motor C Temperature Sensor Over Temperature
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Generic OBD-II
P0EF7
Battery Charger A Input Voltage Sensor B Circuit
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Generic OBD-II
P0EF8
Battery Charger A Input Voltage Sensor B Circuit Range/Performance
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Generic OBD-II
P0EF9
Battery Charger A Input Voltage Sensor B Circuit Low
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Generic OBD-II
P0EFA
Battery Charger A Input Voltage Sensor B Circuit High
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Generic OBD-II
P0EFB
Battery Charger A Input Voltage Sensor C Circuit
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Generic OBD-II
P0EFC
Battery Charger A Input Voltage Sensor C Circuit Range/Performance
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Generic OBD-II
P0EFD
Battery Charger A Input Voltage Sensor C Circuit Low
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Generic OBD-II
P0EFE
Battery Charger A Input Voltage Sensor C Circuit High
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Ford / Lincoln +1
P1000
Ford readiness monitors have not finished
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Jaguar
P1000
OBD Systems Readiness Test Not Complete
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Mazda
P1000
OBD II Monitor Testing Not Completed
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Ford / Lincoln +1
P1001
Ford engine-running self-test did not complete
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Mazda
P1001
Unable to Achieve Self-Test Function Or SCP Error
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Buick / Cadillac +6
P1031
Oxygen-sensor heater current-monitor circuit fault
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Buick / Cadillac +6
P1032
Upstream oxygen-sensor heater warm-up control circuit
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Ford / Lincoln +1
P1039
Vehicle Speed Signal Missing or Improper
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Ford / Lincoln +1
P1051
Brake Switch Signal Missing or Improper
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BMW
P1083
Resolve the BMW rich/lean mapping before choosing a diagnosis
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BMW
P1084
Fuel Control Mixture Rich Bank 1 Sensor 1
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BMW
P1085
Fuel Control Mixture Lean Bank 2 Sensor 1
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BMW
P1086
Fuel Control Mixture Rich Bank 2 Sensor 1
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Subaru
P1086
Subaru left TGV position signal reads low
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BMW
P1087
O2 Sensor Circuit Slow Response in Lean Control Range Bank 1 Sensor 1
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Subaru
P1087
Subaru left TGV position signal reads high
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BMW
P1088
O2 Sensor Circuit Slow Response in Rich Control Range Bank 1 Sensor 1
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Subaru
P1088
Subaru right TGV low-input diagnosis
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BMW
P1089
O2 Sensor Circuit Slow Response in Lean Control Range Bank 1 Sensor 2
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Subaru
P1089
Subaru right TGV high-input diagnosis
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BMW
P1090
Pre-Catalyst Fuel Trim Too Lean Bank 1
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Subaru
P1090
Subaru right tumble valve stuck open
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BMW
P1091
Pre-Catalyst Fuel Trim Too Rich Bank 1
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Subaru
P1091
Subaru right tumble valve stuck closed
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BMW
P1092
Pre-Catalyst Fuel Trim Too Lean Bank 2
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Subaru
P1092
Subaru left tumble valve stuck open
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BMW
P1093
Pre-Catalyst Fuel Trim Too Rich Bank 2
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Subaru
P1093
Subaru left tumble valve stuck closed
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BMW
P1094
O2 Sensor Circuit Slow Response in Rich Control Range Bank 2 Sensor 1
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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.