THE CODE DIRECTORY
Diagnostic code references — Page 22.
Browse canonical reference entries. Each definition keeps its own source and vehicle-applicability limits.
Generic OBD-II
P059D
Active Grille Air Shutter A Position Sensor Circuit Low
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Generic OBD-II
P059E
Active Grille Air Shutter A Position Sensor Circuit Intermittent
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Generic OBD-II
P059F
Active Grille Air Shutter A Performance/Stuck Off
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Generic OBD-II
P05A0
Active Grille Air Shutter A Stuck On
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Generic OBD-II
P05A1
Active Grille Air Shutter A Position Sensor Minimum/Maximum Stop Performance
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Generic OBD-II
P05A2
Active Grille Air Shutter A Control Circuit/Open
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Generic OBD-II
P05A3
Active Grille Air Shutter A Control Circuit Range/Performance
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Generic OBD-II
P05A4
Active Grille Air Shutter A Control Circuit High
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Generic OBD-II
P05A5
Active Grille Air Shutter A Control Circuit Low
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Generic OBD-II
P05A6
Active Grille Air Shutter A Supply Voltage Circuit/Open
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Generic OBD-II
P05A7
Active Grille Air Shutter A Supply Voltage Circuit Low
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Generic OBD-II
P05A8
Active Grille Air Shutter A Supply Voltage Circuit High
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Generic OBD-II
P05A9
Active Grille Air Shutter B Position Sensor Circuit
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Generic OBD-II
P05AA
Active Grille Air Shutter B Position Sensor Circuit Range/Performance
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Generic OBD-II
P05AB
Active Grille Air Shutter B Position Sensor Circuit High
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Generic OBD-II
P05AC
Active Grille Air Shutter B Position Sensor Circuit Low
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Generic OBD-II
P05AD
Active Grille Air Shutter B Position Sensor Circuit Intermittent
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Generic OBD-II
P05AE
Active Grille Air Shutter B Performance/Stuck Off
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Generic OBD-II
P05AF
Active Grille Air Shutter B Stuck On
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Generic OBD-II
P05B0
Active Grille Air Shutter B Position Sensor Minimum/Maximum Stop Performance
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Generic OBD-II
P05B1
Active Grille Air Shutter B Control Circuit/Open
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Generic OBD-II
P05B2
Active Grille Air Shutter B Control Circuit Range/Performance
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Generic OBD-II
P05B3
Active Grille Air Shutter B Control Circuit High
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Generic OBD-II
P05B4
Active Grille Air Shutter B Control Circuit Low
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Generic OBD-II
P05B5
Active Grille Air Shutter B Supply Voltage Circuit/Open
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Generic OBD-II
P05B6
Active Grille Air Shutter B Supply Voltage Circuit Low
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Generic OBD-II
P05B7
Active Grille Air Shutter B Supply Voltage Circuit High
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Generic OBD-II
P05B8
Restraint Deployment Signal Circuit/Open
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Generic OBD-II
P05B9
Restraint Deployment Signal Circuit Low
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Generic OBD-II
P05BA
Restraint Deployment Signal Circuit High
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Generic OBD-II
P05BB
Restraints Deployed
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Generic OBD-II
P05BC
Stop-Start Mode Switch Circuit/Open
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Generic OBD-II
P05BD
Stop-Start Mode Switch Circuit Range/Performance
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Generic OBD-II
P05BE
Stop-Start Mode Switch Circuit Low
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Generic OBD-II
P05BF
Stop-Start Mode Switch Circuit High
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Generic OBD-II
P05C0
Active Grille Air Shutter Module A Over Temperature
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Generic OBD-II
P05C1
Active Grille Air Shutter Module B Over Temperature
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Generic OBD-II
P05C2
Engine Coolant Pressure Sensor Circuit
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Generic OBD-II
P05C3
Engine Coolant Pressure Sensor Circuit Range/Performance
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Generic OBD-II
P05C4
Engine Coolant Pressure Sensor Circuit Low
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Generic OBD-II
P05C5
Engine Coolant Pressure Sensor Circuit High
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Generic OBD-II
P05C6
Engine Coolant Pressure Sensor Circuit Intermittent/Erratic
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Generic OBD-II
P05C7
Economy Mode Switch Circuit/Open
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Generic OBD-II
P05C8
Economy Mode Switch Circuit Range/Performance
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Generic OBD-II
P05C9
Economy Mode Switch Circuit Low
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Generic OBD-II
P05CA
Economy Mode Switch Circuit High
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Generic OBD-II
P05CB
Vehicle Hardware Incompatibility
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Generic OBD-II
P05CC
Cold Start A Camshaft Position Timing Performance Bank 1
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Generic OBD-II
P05CD
Cold Start A Camshaft Position Timing Performance Bank 2
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Generic OBD-II
P05CE
Cold Start B Camshaft Position Timing Performance Bank 1
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Generic OBD-II
P05CF
Cold Start B Camshaft Position Timing Performance Bank 2
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Generic OBD-II
P05D0
Driver Mode Select Switch A Circuit
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Generic OBD-II
P05D1
Driver Mode Select Switch A Circuit Low
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Generic OBD-II
P05D2
Driver Mode Select Switch A Circuit High
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Generic OBD-II
P05D3
Driver Mode Select Switch A Range/Performance
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Generic OBD-II
P05D4
Driver Mode Select Switch B Circuit
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Generic OBD-II
P05D5
Driver Mode Select Switch B Circuit Low
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Generic OBD-II
P05D6
Driver Mode Select Switch B Circuit High
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Generic OBD-II
P05D7
Driver Mode Select Switch B Range/Performance
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Generic OBD-II
P05D8
PCV Regulator Valve Control Circuit/Open
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Generic OBD-II
P05D9
PCV Regulator Valve Control Circuit Low
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Generic OBD-II
P05DA
PCV Regulator Valve Control Circuit High
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Generic OBD-II
P05DB
Brake Pedal Position Sensor B Circuit/Open
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Generic OBD-II
P05DC
Brake Pedal Position Sensor B Circuit Range/Performance
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Generic OBD-II
P05DD
Brake Pedal Position Sensor B Circuit Low
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Generic OBD-II
P05DE
Brake Pedal Position Sensor B Circuit High
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Generic OBD-II
P05DF
Brake Pedal Position Sensor B Circuit Intermittent/Erratic
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Generic OBD-II
P05E0
Brake Pedal Position Sensor A/B Correlation
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Generic OBD-II
P05E1
A/C Refrigerant Pressure Sensor A Circuit Intermittent/Erratic
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Generic OBD-II
P05E2
A/C Refrigerant Pressure Sensor B Circuit Intermittent/Erratic
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Generic OBD-II
P05E3
Park Brake Sensor/Switch Circuit
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Generic OBD-II
P05E4
Park Brake Sensor/Switch Circuit Low
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Generic OBD-II
P05E5
Park Brake Sensor/Switch Circuit High
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Generic OBD-II
P05E6
Park Brake Sensor/Switch Circuit Range/Performance
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Generic OBD-II
P05E7
Park Brake Sensor/Switch Circuit Intermittent/Erratic
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Generic OBD-II
P05E8
Engine Oil Bypass Valve Control Circuit/Open
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Generic OBD-II
P05E9
Engine Oil Bypass Valve Control Circuit Low
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Generic OBD-II
P05EA
Engine Oil Bypass Valve Control Circuit High
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Generic OBD-II
P05EB
Cold Start SCR NOx Catalyst Inlet Temperature Too Low
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Generic OBD-II
P05EC
Cold Start Injection Timing Performance
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Generic OBD-II
P05ED
Reductant Heater Control Module Supply Voltage
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Generic OBD-II
P05EE
Reductant Pump Supply Voltage Circuit/Open
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Generic OBD-II
P05EF
Reductant Pump Supply Voltage Circuit Low
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Generic OBD-II
P05F0
Reductant Pump Supply Voltage Circuit High
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Generic OBD-II
P05F1
Reductant Pump Supply Voltage Circuit Stuck On
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Generic OBD-II
P05F2
Reductant Pump Supply Voltage Circuit Stuck Off
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Generic OBD-II
P05F3
Exhaust Aftertreatment Power Relay Control Circuit/Open
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Generic OBD-II
P05F4
Exhaust Aftertreatment Power Relay Control Circuit Low
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Generic OBD-II
P05F5
Exhaust Aftertreatment Power Relay Control Circuit High
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Generic OBD-II
P05F6
Exhaust Aftertreatment Power Relay Control Circuit Stuck On
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Generic OBD-II
P05F7
Exhaust Aftertreatment Power Relay Control Circuit Stuck Off
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Generic OBD-II
P05F8
Reductant Heater Control Module Performance
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Generic OBD-II
P05F9
Stop-Start Status Signal Circuit
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Generic OBD-II
P05FA
Stop-Start Status Signal Circuit Low
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Generic OBD-II
P05FB
Stop-Start Status Signal Circuit High
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Generic OBD-II
P05FC
Cold Start Fuel Pressure Performance Bank 2
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Generic OBD-II
P05FD
Turbocharger/Supercharger Boost Control A Temperature Too High
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Generic OBD-II
P05FE
Active Grille Air Shutter C Performance/Stuck Off
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Generic OBD-II
P05FF
Brake Pressure Sensor / Brake Pedal Position Sensor Correlation
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Generic OBD-II
P0600
Serial Communication Link
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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.