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
PowertrainRead the code
Generic OBD-II
P0EB9
A/C Compressor Motor Phase W Current Sensor Circuit Low
PowertrainRead the code
Generic OBD-II
P0EBA
A/C Compressor Motor Phase W Current Sensor Range/Performace
PowertrainRead the code
Generic OBD-II
P0EBB
A/C Compressor Motor Phase V Current Sensor Circuit
PowertrainRead the code
Generic OBD-II
P0EBC
A/C Refrigerant Temperature Sensor A Circuit
PowertrainRead the code
Generic OBD-II
P0EBD
A/C Refrigerant Temperature Sensor A Circuit High
PowertrainRead the code
Generic OBD-II
P0EBE
A/C Refrigerant Temperature Sensor A Circuit Low
PowertrainRead the code
Generic OBD-II
P0EBF
A/C Refrigerant Temperature Sensor A Range/Performance
PowertrainRead the code
Generic OBD-II
P0EC0
A/C Compressor Motor Phase W Current Sensor Circuit
PowertrainRead the code
Generic OBD-II
P0EC1
A/C Refrigerant Temperature Sensor B Circuit
PowertrainRead the code
Generic OBD-II
P0EC2
A/C Refrigerant Temperature Sensor B Circuit High
PowertrainRead the code
Generic OBD-II
P0EC3
A/C Refrigerant Temperature Sensor B Circuit Low
PowertrainRead the code
Generic OBD-II
P0EC4
A/C Refrigerant Temperature Sensor B Range/Performance
PowertrainRead the code
Generic OBD-II
P0EC5
A/C Compressor Motor Speed Sensor Range/Performance
PowertrainRead the code
Generic OBD-II
P0EC6
A/C Power Supply Relay Control Circuit/Open
PowertrainRead the code
Generic OBD-II
P0EC7
A/C Power Supply Relay Control Circuit Low
PowertrainRead the code
Generic OBD-II
P0EC8
A/C Power Supply Relay Control Circuit High
PowertrainRead the code
Generic OBD-II
P0EC9
A/C Refrigerant Distribution Valve A Stuck/Open
PowertrainRead the code
Generic OBD-II
P0ECA
Hybrid/EV Battery Temperature Sensor System - Multiple Sensor Correlation
PowertrainRead the code
Generic OBD-II
P0ECB
Hybrid/EV Battery Voltage Sensor System - Multiple Sensor Correlation
PowertrainRead the code
Generic OBD-II
P0ECC
Hybrid/EV Battery E Voltage
PowertrainRead the code
Generic OBD-II
P0ECD
Hybrid/EV Battery E Voltage Unstable
PowertrainRead the code
Generic OBD-II
P0ECE
Hybrid/EV Battery E Voltage Low
PowertrainRead the code
Generic OBD-II
P0ECF
Hybrid/EV Battery E Voltage High
PowertrainRead the code
Generic OBD-II
P0ED0
Hybrid/EV Battery F Voltage
PowertrainRead the code
Generic OBD-II
P0ED1
Hybrid/EV Battery F Voltage Unstable
PowertrainRead the code
Generic OBD-II
P0ED2
Hybrid/EV Battery F Voltage Low
PowertrainRead the code
Generic OBD-II
P0ED3
Hybrid/EV Battery F Voltage High
PowertrainRead the code
Generic OBD-II
P0ED4
Generator Phase X Current
PowertrainRead the code
Generic OBD-II
P0ED5
Generator Phase X Current Low
PowertrainRead the code
Generic OBD-II
P0ED6
Generator Phase X Current High
PowertrainRead the code
Generic OBD-II
P0ED7
Generator Phase Y Current
PowertrainRead the code
Generic OBD-II
P0ED8
Generator Phase Y Current Low
PowertrainRead the code
Generic OBD-II
P0ED9
Generator Phase Y Current High
PowertrainRead the code
Generic OBD-II
P0EDA
Generator Phase Z Current
PowertrainRead the code
Generic OBD-II
P0EDB
Generator Phase Z Current Low
PowertrainRead the code
Generic OBD-II
P0EDC
Generator Phase Z Current High
PowertrainRead the code
Generic OBD-II
P0EDD
Hybrid/EV Battery Pack B Deterioration
PowertrainRead the code
Generic OBD-II
P0EDE
Hybrid/EV Battery Pack C Deterioration
PowertrainRead the code
Generic OBD-II
P0EDF
Hybrid/EV Battery Pack D Deterioration
PowertrainRead the code
Generic OBD-II
P0EE0
Hybrid/EV Battery Pack E Deterioration
PowertrainRead the code
Generic OBD-II
P0EE1
Hybrid/EV Battery Pack F Deterioration
PowertrainRead the code
Generic OBD-II
P0EE2
A/C Refrigerant Distribution Valve B Stuck/Open
PowertrainRead the code
Generic OBD-II
P0EE3
A/C Refrigerant Distribution Valve B Control Circuit/Open
PowertrainRead the code
Generic OBD-II
P0EE4
A/C Refrigerant Distribution Valve B Control Circuit Low
PowertrainRead the code
Generic OBD-II
P0EE5
A/C Refrigerant Distribution Valve B Control Circuit High
PowertrainRead the code
Generic OBD-II
P0EE6
A/C Refrigerant Distribution Valve B Control Circuit Driver Current/Temperature Too High
PowertrainRead the code
Generic OBD-II
P0EE7
Battery Charger Coupler Temperature Sensor B Circuit
PowertrainRead the code
Generic OBD-II
P0EE8
Battery Charger Coupler Temperature Sensor B Circuit Range/Performance
PowertrainRead the code
Generic OBD-II
P0EE9
Battery Charger Coupler Temperature Sensor B Circuit Low
PowertrainRead the code
Generic OBD-II
P0EEA
Battery Charger Coupler Temperature Sensor B Circuit High
PowertrainRead the code
Generic OBD-II
P0EEB
Battery Charger Coupler Temperature Sensor B Circuit Intermittent/Erratic
PowertrainRead the code
Generic OBD-II
P0EEC
Battery Energy Control Module B Performance
PowertrainRead the code
Generic OBD-II
P0EED
Hybrid/EV Battery System Discharge Circuit Performance
PowertrainRead the code
Generic OBD-II
P0EEE
Battery Charger Coupler Temperature B Too High
PowertrainRead the code
Generic OBD-II
P0EEF
Drive Motor A Control Module Overtemperature
PowertrainRead the code
Generic OBD-II
P0EF0
Battery Charger Coupler Unlock Disabled - High Voltage Present
PowertrainRead the code
Generic OBD-II
P0EF1
Drive Motor C Temperature Sensor Circuit
PowertrainRead the code
Generic OBD-II
P0EF2
Drive Motor C Temperature Sensor Range/Performance
PowertrainRead the code
Generic OBD-II
P0EF3
Drive Motor C Temperature Sensor Circuit Low
PowertrainRead the code
Generic OBD-II
P0EF4
Drive Motor C Temperature Sensor Circuit High
PowertrainRead the code
Generic OBD-II
P0EF5
Drive Motor C Temperature Sensor Circuit Intermittent/Erratic
PowertrainRead the code
Generic OBD-II
P0EF6
Drive Motor C Temperature Sensor Over Temperature
PowertrainRead the code
Generic OBD-II
P0EF7
Battery Charger A Input Voltage Sensor B Circuit
PowertrainRead the code
Generic OBD-II
P0EF8
Battery Charger A Input Voltage Sensor B Circuit Range/Performance
PowertrainRead the code
Generic OBD-II
P0EF9
Battery Charger A Input Voltage Sensor B Circuit Low
PowertrainRead the code
Generic OBD-II
P0EFA
Battery Charger A Input Voltage Sensor B Circuit High
PowertrainRead the code
Generic OBD-II
P0EFB
Battery Charger A Input Voltage Sensor C Circuit
PowertrainRead the code
Generic OBD-II
P0EFC
Battery Charger A Input Voltage Sensor C Circuit Range/Performance
PowertrainRead the code
Generic OBD-II
P0EFD
Battery Charger A Input Voltage Sensor C Circuit Low
PowertrainRead the code
Generic OBD-II
P0EFE
Battery Charger A Input Voltage Sensor C Circuit High
PowertrainRead the code
Ford / Lincoln +1
P1000
OBD System Readiness Test Not Complete
PowertrainRead the code
Jaguar
P1000
OBD Systems Readiness Test Not Complete
PowertrainRead the code
Mazda
P1000
OBD II Monitor Testing Not Completed
PowertrainRead the code
Ford / Lincoln +1
P1001
KOER Test Cannot Be Completed
PowertrainRead the code
Mazda
P1001
Unable to Achieve Self-Test Function Or SCP Error
PowertrainRead the code
Buick / Cadillac +6
P1031
HO2S Heater Current Monitor Control Circuit Sensors 1
PowertrainRead the code
Buick / Cadillac +6
P1032
HO2S Heater Warm Up Control Circuit Sensors 1
PowertrainRead the code
Ford / Lincoln +1
P1039
Vehicle Speed Signal Missing or Improper
PowertrainRead the code
Ford / Lincoln +1
P1051
Brake Switch Signal Missing or Improper
PowertrainRead the code
BMW
P1083
Fuel Control Mixture Lean Bank 1 Sensor 1
PowertrainRead the code
BMW
P1084
Fuel Control Mixture Rich Bank 1 Sensor 1
PowertrainRead the code
BMW
P1085
Fuel Control Mixture Lean Bank 2 Sensor 1
PowertrainRead the code
BMW
P1086
Fuel Control Mixture Rich Bank 2 Sensor 1
PowertrainRead the code
Subaru
P1086
Tumble Generator Valve #2 LH Position Sensor Circuit Low Input
PowertrainRead the code
BMW
P1087
O2 Sensor Circuit Slow Response in Lean Control Range Bank 1 Sensor 1
PowertrainRead the code
Subaru
P1087
Tumble Generator Valve #2 LH Position Sensor Circuit High Input
PowertrainRead the code
BMW
P1088
O2 Sensor Circuit Slow Response in Rich Control Range Bank 1 Sensor 1
PowertrainRead the code
Subaru
P1088
Tumble Generator Valve #1 RH Position Sensor Circuit Low Input
PowertrainRead the code
BMW
P1089
O2 Sensor Circuit Slow Response in Lean Control Range Bank 1 Sensor 2
PowertrainRead the code
Subaru
P1089
Tumble Generator Valve #1 RH Position Sensor Circuit High Input
PowertrainRead the code
BMW
P1090
Pre-Catalyst Fuel Trim Too Lean Bank 1
PowertrainRead the code
Subaru
P1090
Tumble Generator Valve #1 RH Malfunction Stuck Open
PowertrainRead the code
BMW
P1091
Pre-Catalyst Fuel Trim Too Rich Bank 1
PowertrainRead the code
Subaru
P1091
Tumble Generator Valve #1 RH Malfunction Stuck Close
PowertrainRead the code
BMW
P1092
Pre-Catalyst Fuel Trim Too Lean Bank 2
PowertrainRead the code
Subaru
P1092
Tumble Generator Valve #2 LH Malfunction Stuck Open
PowertrainRead the code
BMW
P1093
Pre-Catalyst Fuel Trim Too Rich Bank 2
PowertrainRead the code
Subaru
P1093
Tumble Generator Valve #2 LH Malfunction Stuck Close
PowertrainRead the code
BMW
P1094
O2 Sensor Circuit Slow Response in Rich Control Range Bank 2 Sensor 1
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.