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THE CODE DIRECTORY

Diagnostic code references — Page 12.

Browse canonical reference entries. Each definition keeps its own source and vehicle-applicability limits.

11,786 code references

Generic OBD-II
P01B2

Alternative Fuel Tank A Level Sensor Circuit High

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Generic OBD-II
P01B3

Alternative Fuel Tank A Level Sensor Circuit Intermittent/Erratic

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Generic OBD-II
P01B4

Alternative Fuel Rail Temperature Sensor Circuit

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Generic OBD-II
P01B5

Alternative Fuel Rail Temperature Sensor Performance

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Generic OBD-II
P01B6

Alternative Fuel Rail Temperature Sensor Circuit Low

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Generic OBD-II
P01B7

Alternative Fuel Rail Temperature Sensor Circuit High

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Generic OBD-II
P01B8

Alternative Fuel Rail Temperature Sensor Circuit Intermittent/Erratic

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Generic OBD-II
P01B9

Engine Oil Temperature Sensor B Circuit

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Generic OBD-II
P01BA

Engine Oil Temperature Sensor B Range/Performance

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Generic OBD-II
P01BB

Engine Oil Temperature Sensor B Circuit Low

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Generic OBD-II
P01BC

Engine Oil Temperature Sensor B Circuit High

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Generic OBD-II
P01BD

Engine Oil Temperature Sensor B Circuit Intermittent/Erratic

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Generic OBD-II
P01BE

Fuel Rail Pressure Sensor Circuit Bank 2

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Generic OBD-II
P01BF

Fuel Rail Pressure Sensor Circuit Range/Performance Bank 2

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Generic OBD-II
P01C0

Fuel Rail Pressure Sensor Circuit Low Bank 2

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Generic OBD-II
P01C1

Fuel Rail Pressure Sensor Circuit High Bank 2

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Generic OBD-II
P01C2

Fuel Rail Pressure Sensor Circuit Intermittent/Erratic Bank 2

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Generic OBD-II
P01C3

Fuel Pressure Sensor A Circuit

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Generic OBD-II
P01C4

Fuel Pressure Sensor A Circuit Range/Performance

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Generic OBD-II
P01C5

Fuel Pressure Sensor A Circuit Low

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Generic OBD-II
P01C6

Fuel Pressure Sensor A Circuit High

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Generic OBD-II
P01C7

Fuel Pressure Sensor A Circuit Intermittent/Erratic

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Generic OBD-II
P01C8

Fuel Rail/System Pressure - Too Low Bank 2

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Generic OBD-II
P01C9

Fuel Rail/System Pressure - Too High Bank 2

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Generic OBD-II
P01CA

Fuel Rail Pressure Too Low - Engine Cranking Bank 2

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Generic OBD-II
P01CB

Cylinder 1 Injection Timing Performance - Over Retarded

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Generic OBD-II
P01CC

Cylinder 1 Injection Timing Performance - Over Advanced

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Generic OBD-II
P01CD

Cylinder 2 Injection Timing Performance - Over Retarded

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Generic OBD-II
P01CE

Cylinder 2 Injection Timing Performance - Over Advanced

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Generic OBD-II
P01CF

Cylinder 3 Injection Timing Performance - Over Retarded

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Generic OBD-II
P01D0

Cylinder 3 Injection Timing Performance - Over Advanced

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Generic OBD-II
P01D1

Cylinder 4 Injection Timing Performance - Over Retarded

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Generic OBD-II
P01D2

Cylinder 4 Injection Timing Performance - Over Advanced

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Generic OBD-II
P01D3

Cylinder 5 Injection Timing Performance - Over Retarded

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Generic OBD-II
P01D4

Cylinder 5 Injection Timing Performance - Over Advanced

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Generic OBD-II
P01D5

Cylinder 6 Injection Timing Performance - Over Retarded

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Generic OBD-II
P01D6

Cylinder 6 Injection Timing Performance - Over Advanced

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Generic OBD-II
P01D7

Cylinder 7 Injection Timing Performance - Over Retarded

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Generic OBD-II
P01D8

Cylinder 7 Injection Timing Performance - Over Advanced

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Generic OBD-II
P01D9

Cylinder 8 Injection Timing Performance - Over Retarded

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Generic OBD-II
P01DA

Cylinder 8 Injection Timing Performance - Over Advanced

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Generic OBD-II
P01DB

Cylinder 9 Injection Timing Performance - Over Retarded

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Generic OBD-II
P01DC

Cylinder 9 Injection Timing Performance - Over Advanced

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Generic OBD-II
P01DD

Cylinder 10 Injection Timing Performance - Over Retarded

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Generic OBD-II
P01DE

Cylinder 10 Injection Timing Performance - Over Advanced

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Generic OBD-II
P01DF

Cylinder 11 Injection Timing Performance - Over Retarded

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Generic OBD-II
P01E0

Cylinder 11 Injection Timing Performance - Over Advanced

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Generic OBD-II
P01E1

Cylinder 12 Injection Timing Performance - Over Retarded

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Generic OBD-II
P01E2

Cylinder 12 Injection Timing Performance - Over Advanced

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Generic OBD-II
P01E3

Engine Coolant Temperature Sensor 3 Circuit

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Generic OBD-II
P01E4

Engine Coolant Temperature Sensor 3 Circuit Range/Performance

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Generic OBD-II
P01E5

Engine Coolant Temperature Sensor 3 Circuit Low

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Generic OBD-II
P01E6

Engine Coolant Temperature Sensor 3 Circuit High

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Generic OBD-II
P01E7

Engine Coolant Temperature Sensor 3 Circuit Intermittent/Erratic

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Generic OBD-II
P01E8

Engine Coolant Heater A Control Circuit/Open

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Generic OBD-II
P01E9

Engine Coolant Heater A Control Circuit Low

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Generic OBD-II
P01EA

Engine Coolant Heater A Control Circuit High

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Generic OBD-II
P01EB

Engine Coolant Heater A Control Circuit Performance

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Generic OBD-II
P01EC

Engine Coolant Heater B Control Circuit/Open

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Generic OBD-II
P01ED

Engine Coolant Heater B Control Circuit Low

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Generic OBD-II
P01EE

Engine Coolant Heater B Control Circuit High

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Generic OBD-II
P01EF

Engine Coolant Heater B Control Circuit Performance

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Generic OBD-II
P01F0

Coolant Temperature Relapsed Below Diagnostic Monitoring Temperature

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Generic OBD-II
P01F1

O2 Sensor Circuit Bank 1 Sensor 4

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Generic OBD-II
P01F2

O2 Sensor Circuit Low Voltage Bank 1 Sensor 4

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Generic OBD-II
P01F3

O2 Sensor Circuit High Voltage Bank 1 Sensor 4

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Generic OBD-II
P01F4

O2 Sensor Circuit Slow Response Bank 1 Sensor 4

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Generic OBD-II
P01F5

O2 Sensor Circuit No Activity Detected Bank 1 Sensor 4

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Generic OBD-II
P01F6

O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 4

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Generic OBD-II
P01F7

O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 4

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Generic OBD-II
P01F8

Engine Coolant Heater A Control Circuit Driver Current/Temperature Too High

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Generic OBD-II
P01F9

Engine Coolant Heater B Control Circuit Driver Current/Temperature Too High

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Generic OBD-II
P01FA

Turbocharger Outlet Pressure Sensor B Circuit

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Generic OBD-II
P01FB

Turbocharger Outlet Pressure Sensor B Range/Performance

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Generic OBD-II
P01FC

Turbocharger Outlet Pressure Sensor B Circuit Low

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Generic OBD-II
P01FD

Turbocharger Outlet Pressure Sensor B Circuit High

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Generic OBD-II
P01FE

Turbocharger Outlet Pressure Sensor B Intermittent/Erratic

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Generic OBD-II
P01FF

Turbocharger Outlet Pressure Sensor A/B Correlation

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Generic OBD-II
P0200

Injector Circuit/Open

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Generic OBD-II
P0201

Cylinder 1 Injector A Circuit

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Generic OBD-II
P0202

Cylinder 2 Injector A Circuit

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Generic OBD-II
P0203

Cylinder 3 Injector A Circuit

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Generic OBD-II
P0204

Cylinder 4 Injector A Circuit

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Generic OBD-II
P0205

Cylinder 5 Injector A Circuit

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Generic OBD-II
P0206

Cylinder 6 Injector A Circuit

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Generic OBD-II
P0207

Cylinder 7 Injector A Circuit

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Generic OBD-II
P0208

Cylinder 8 Injector A Circuit

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Generic OBD-II
P0209

Cylinder 9 Injector A Circuit

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Generic OBD-II
P020A

Cylinder 1 Injection Timing

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Generic OBD-II
P020B

Cylinder 2 Injection Timing

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Generic OBD-II
P020C

Cylinder 3 Injection Timing

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Generic OBD-II
P020D

Cylinder 4 Injection Timing

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Generic OBD-II
P020E

Cylinder 5 Injection Timing

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Generic OBD-II
P020F

Cylinder 6 Injection Timing

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Generic OBD-II
P0210

Cylinder 10 Injector A Circuit

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Generic OBD-II
P0211

Cylinder 11 Injector A Circuit

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Generic OBD-II
P0212

Cylinder 12 Injector A Circuit

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Generic OBD-II
P0213

Cold Start Injector 1

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Generic OBD-II
P0214

Cold Start Injector 2

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Generic OBD-II
P0215

Engine Shutoff Solenoid

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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.