P CODE FAMILY
Powertrain code references — Page 6.
Engine, transmission and powertrain diagnostic references. Exact vehicle and module context still matters.
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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Generic OBD-II
P0216
Injector/Injection Timing Control Circuit
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Generic OBD-II
P0217
Engine Coolant Over Temperature Condition
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Generic OBD-II
P0218
Transmission Fluid Temperature Sensor A Over Temperature Condition
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Generic OBD-II
P0219
Engine Overspeed Condition
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Generic OBD-II
P021A
Cylinder 7 Injection Timing
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Generic OBD-II
P021B
Cylinder 8 Injection Timing
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Generic OBD-II
P021C
Cylinder 9 Injection Timing
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Generic OBD-II
P021D
Cylinder 10 Injection Timing
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Generic OBD-II
P021E
Cylinder 11 Injection Timing
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Generic OBD-II
P021F
Cylinder 12 Injection Timing
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Generic OBD-II
P0220
Throttle/Pedal Position Sensor/Switch B Circuit
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Generic OBD-II
P0221
Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance
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Generic OBD-II
P0222
Throttle/Pedal Position Sensor/Switch B Circuit Low
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Generic OBD-II
P0223
Throttle/Pedal Position Sensor/Switch B Circuit High
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Generic OBD-II
P0224
Throttle/Pedal Position Sensor/Switch B Circuit Intermittent
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Generic OBD-II
P0225
Throttle/Pedal Position Sensor/Switch C Circuit
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Generic OBD-II
P0226
Throttle/Pedal Position Sensor/Switch C Circuit Range/Performance
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Generic OBD-II
P0227
Throttle/Pedal Position Sensor/Switch C Circuit Low
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Generic OBD-II
P0228
Throttle/Pedal Position Sensor/Switch C Circuit High
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Generic OBD-II
P0229
Throttle/Pedal Position Sensor/Switch C Circuit Intermittent
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Generic OBD-II
P022A
Charge Air Cooler Bypass Control A Circuit /Open
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Generic OBD-II
P022B
Charge Air Cooler Bypass Control A Circuit Low
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Generic OBD-II
P022C
Charge Air Cooler Bypass Control A Circuit High
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Generic OBD-II
P022D
Charge Air Cooler Bypass Control B Circuit /Open
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Generic OBD-II
P022E
Charge Air Cooler Bypass Control B Circuit Low
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Generic OBD-II
P022F
Charge Air Cooler Bypass Control B Circuit High
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Generic OBD-II
P0230
Fuel Pump Primary Circuit
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Generic OBD-II
P0231
Fuel Pump Secondary Circuit Low
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Generic OBD-II
P0232
Fuel Pump Secondary Circuit High
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Generic OBD-II
P0233
Fuel Pump Secondary Circuit Intermittent
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Generic OBD-II
P0234
Turbocharger/Supercharger A Overboost Condition
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Generic OBD-II
P0235
Turbocharger/Supercharger Boost Sensor A Circuit
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Generic OBD-II
P0236
Turbocharger/Supercharger Boost Sensor A Circuit Range/Performance
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Generic OBD-II
P0237
Turbocharger/Supercharger Boost Sensor A Circuit Low
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Generic OBD-II
P0238
Turbocharger/Supercharger Boost Sensor A Circuit High
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Generic OBD-II
P0239
Turbocharger/Supercharger Boost Sensor B Circuit
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Generic OBD-II
P023A
Charge Air Cooler Coolant Pump A Control Circuit/Open
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Generic OBD-II
P023B
Charge Air Cooler Coolant Pump A Control Circuit Low
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Generic OBD-II
P023C
Charge Air Cooler Coolant Pump A Control Circuit High
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Generic OBD-II
P023D
Manifold Absolute Pressure - Turbocharger/Supercharger Boost Sensor A Correlation
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Generic OBD-II
P023E
Manifold Absolute Pressure - Turbocharger/Supercharger Boost Sensor B Correlation
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Generic OBD-II
P023F
Fuel Pump Secondary Circuit/Open
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Generic OBD-II
P0240
Turbocharger/Supercharger Boost Sensor B Circuit Range/Performance
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Generic OBD-II
P0241
Turbocharger/Supercharger Boost Sensor B Circuit Low
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Generic OBD-II
P0242
Turbocharger/Supercharger Boost Sensor B Circuit High
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Generic OBD-II
P0243
Turbocharger/Supercharger Wastegate Actuator A
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Generic OBD-II
P0244
Turbocharger/Supercharger Wastegate Actuator A Range/Performance
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Generic OBD-II
P0245
Turbocharger/Supercharger Wastegate Actuator A Low
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Generic OBD-II
P0246
Turbocharger/Supercharger Wastegate Actuator A High
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Generic OBD-II
P0247
Turbocharger/Supercharger Wastegate Actuator B
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Generic OBD-II
P0248
Turbocharger/Supercharger Wastegate Actuator B Range/Performance
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Generic OBD-II
P0249
Turbocharger/Supercharger Wastegate Actuator B Low
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Generic OBD-II
P024A
Charge Air Cooler Bypass Control A Range/Performance
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Generic OBD-II
P024B
Charge Air Cooler Bypass Control A Stuck
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Generic OBD-II
P024C
Charge Air Cooler Bypass Position Sensor A Circuit
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Generic OBD-II
P024D
Charge Air Cooler Bypass Position Sensor A Circuit Range/Performance
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Generic OBD-II
P024E
Charge Air Cooler Bypass Position Sensor A Circuit Low
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Generic OBD-II
P024F
Charge Air Cooler Bypass Position Sensor A Circuit High
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Generic OBD-II
P0250
Turbocharger/Supercharger Wastegate Actuator B High
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Generic OBD-II
P0251
Injection Pump Fuel Metering Control A (Cam/Rotor/Injector)
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Generic OBD-II
P0252
Injection Pump Fuel Metering Control A Range/Performance (Cam/Rotor/Injector)
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Generic OBD-II
P0253
Injection Pump Fuel Metering Control A Low (Cam/Rotor/Injector)
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Generic OBD-II
P0254
Injection Pump Fuel Metering Control A High (Cam/Rotor/Injector)
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Generic OBD-II
P0255
Injection Pump Fuel Metering Control A Intermittent (Cam/Rotor/Injector)
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Generic OBD-II
P0256
Injection Pump Fuel Metering Control B (Cam/Rotor/Injector)
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Generic OBD-II
P0257
Injection Pump Fuel Metering Control B Range/Performance (Cam/Rotor/Injector)
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Generic OBD-II
P0258
Injection Pump Fuel Metering Control B Low (Cam/Rotor/Injector)
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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.