P CODE FAMILY
Powertrain code references — Page 9.
Engine, transmission and powertrain diagnostic references. Exact vehicle and module context still matters.
Generic OBD-II
P0321
Ignition/Distributor Engine Speed Input Circuit Range/Performance
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Generic OBD-II
P0322
Ignition/Distributor Engine Speed Input Circuit No Signal
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Generic OBD-II
P0323
Ignition/Distributor Engine Speed Input Circuit Intermittent
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Generic OBD-II
P0324
Knock/Combustion Vibration Control System Error
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Generic OBD-II
P0325
Knock/Combustion Vibration Sensor A Circuit
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Generic OBD-II
P0326
Knock/Combustion Vibration Sensor A Circuit Range/Performance
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Generic OBD-II
P0327
Knock/Combustion Vibration Sensor A Circuit Low
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Generic OBD-II
P0328
Knock/Combustion Vibration Sensor A Circuit High
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Generic OBD-II
P0329
Knock/Combustion Vibration Sensor A Circuit Intermittent
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Generic OBD-II
P032A
Knock/Combustion Vibration Sensor C Circuit
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Generic OBD-II
P032B
Knock/Combustion Vibration Sensor C Circuit Range/Performance
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Generic OBD-II
P032C
Knock/Combustion Vibration Sensor C Circuit Low
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Generic OBD-II
P032D
Knock/Combustion Vibration Sensor C Circuit High
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Generic OBD-II
P032E
Knock/Combustion Vibration Sensor C Circuit Intermittent
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Generic OBD-II
P032F
Combustion Engine Producing Insufficent Torque
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Generic OBD-II
P0330
Knock/Combustion Vibration Sensor B Circuit
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Generic OBD-II
P0331
Knock/Combustion Vibration Sensor B Circuit Range/Performance
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Generic OBD-II
P0332
Knock/Combustion Vibration Sensor B Circuit Low
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Generic OBD-II
P0333
Knock/Combustion Vibration Sensor B Circuit High
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Generic OBD-II
P0334
Knock/Combustion Vibration Sensor B Circuit Intermittent
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Generic OBD-II
P0335
Crankshaft Position Sensor A Circuit
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Generic OBD-II
P0336
Crankshaft Position Sensor A Circuit Range/Performance
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Generic OBD-II
P0337
Crankshaft Position Sensor A Circuit Low
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Generic OBD-II
P0338
Crankshaft Position Sensor A Circuit High
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Generic OBD-II
P0339
Crankshaft Position Sensor A Circuit Intermittent
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Generic OBD-II
P033A
Knock/Combustion Vibration Sensor D Circuit
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Generic OBD-II
P033B
Knock/Combustion Vibration Sensor D Circuit Range/Performance
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Generic OBD-II
P033C
Knock/Combustion Vibration Sensor D Circuit Low
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Generic OBD-II
P033D
Knock/Combustion Vibration Sensor D Circuit High
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Generic OBD-II
P033E
Knock/Combustion Vibration Sensor D Circuit Intermittent
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Generic OBD-II
P033F
Crankshaft/Camshaft Loss Of Synchronization
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Generic OBD-II
P0340
Camshaft Position Sensor A Circuit Bank 1 or Single Sensor
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Generic OBD-II
P0341
Camshaft Position Sensor A Circuit Range/Performance Bank 1 or Single Sensor
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Generic OBD-II
P0342
Camshaft Position Sensor A Circuit Low Bank 1 or Single Sensor
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Generic OBD-II
P0343
Camshaft Position Sensor A Circuit High Bank 1 or Single Sensor
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Generic OBD-II
P0344
Camshaft Position Sensor A Circuit Intermittent Bank 1 or Single Sensor
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Generic OBD-II
P0345
Camshaft Position Sensor A Circuit Bank 2
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Generic OBD-II
P0346
Camshaft Position Sensor A Circuit Range/Performance Bank 2
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Generic OBD-II
P0347
Camshaft Position Sensor A Circuit Low Bank 2
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Generic OBD-II
P0348
Camshaft Position Sensor A Circuit High Bank 2
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Generic OBD-II
P0349
Camshaft Position Sensor A Circuit Intermittent Bank 2
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Generic OBD-II
P034A
Crankshaft Position Sensor - Crankshaft Start Position Incorrect
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Generic OBD-II
P034B
Crankshaft Position Sensor - Crankshaft Direction Incorrect
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Generic OBD-II
P034C
Ion Sense System Performance
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Generic OBD-II
P0350
Ignition Coil Primary/Secondary Circuit/Open
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Generic OBD-II
P0351
Ignition Coil A Primary Control Circuit/Open
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Generic OBD-II
P0352
Ignition Coil B Primary Control Circuit/Open
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Generic OBD-II
P0353
Ignition Coil C Primary Control Circuit/Open
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Generic OBD-II
P0354
Ignition Coil D Primary Control Circuit/Open
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Generic OBD-II
P0355
Ignition Coil E Primary Control Circuit/Open
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Generic OBD-II
P0356
Ignition Coil F Primary Control Circuit/Open
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Generic OBD-II
P0357
Ignition Coil G Primary Control Circuit/Open
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Generic OBD-II
P0358
Ignition Coil H Primary Control Circuit/Open
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Generic OBD-II
P0359
Ignition Coil I Primary Control Circuit/Open
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Generic OBD-II
P035A
Ignition E Control Signal Circuit/Open
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Generic OBD-II
P035B
Ignition E Control Signal Circuit Low
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Generic OBD-II
P035C
Ignition E Control Signal Circuit High
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Generic OBD-II
P035D
Ignition F Control Signal Circuit/Open
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Generic OBD-II
P035E
Ignition F Control Signal Circuit Low
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Generic OBD-II
P035F
Ignition F Control Signal Circuit High
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Generic OBD-II
P0360
Ignition Coil J Primary Control Circuit/Open
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Generic OBD-II
P0361
Ignition Coil K Primary Control Circuit/Open
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Generic OBD-II
P0362
Ignition Coil L Primary Control Circuit/Open
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Generic OBD-II
P0363
Misfire Detected - Fueling Disabled
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Generic OBD-II
P0364
DC/AC Converter Control Module Control Circuit Range/Performance
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Generic OBD-II
P0365
Camshaft Position Sensor B Circuit Bank 1
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Generic OBD-II
P0366
Camshaft Position Sensor B Circuit Range/Performance Bank 1
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Generic OBD-II
P0367
Camshaft Position Sensor B Circuit Low Bank 1
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Generic OBD-II
P0368
Camshaft Position Sensor B Circuit High Bank 1
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Generic OBD-II
P0369
Camshaft Position Sensor B Circuit Intermittent Bank 1
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Generic OBD-II
P036A
Ignition G Control Signal Circuit/Open
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Generic OBD-II
P036B
Ignition G Control Signal Circuit Low
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Generic OBD-II
P036C
Ignition G Control Signal Circuit High
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Generic OBD-II
P036D
Ignition H Control Signal Circuit/Open
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Generic OBD-II
P036E
Ignition H Control Signal Circuit Low
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Generic OBD-II
P036F
Ignition H Control Signal Circuit High
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Generic OBD-II
P0370
Timing Reference High Resolution Signal A
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Generic OBD-II
P0371
Timing Reference High Resolution Signal A Too Many Pulses
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Generic OBD-II
P0372
Timing Reference High Resolution Signal A Too Few Pulses
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Generic OBD-II
P0373
Timing Reference High Resolution Signal A Intermittent/Erratic Pulses
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Generic OBD-II
P0374
Timing Reference High Resolution Signal A No Pulses
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Generic OBD-II
P0375
Timing Reference High Resolution Signal B
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Generic OBD-II
P0376
Timing Reference High Resolution Signal B Too Many Pulses
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Generic OBD-II
P0377
Timing Reference High Resolution Signal B Too Few Pulses
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Generic OBD-II
P0378
Timing Reference High Resolution Signal B Intermittent/Erratic Pulses
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Generic OBD-II
P0379
Timing Reference High Resolution Signal B No Pulses
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Generic OBD-II
P037A
Glow Plug/Heater Indicator Control Circuit Low
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Generic OBD-II
P037B
Glow Plug/Heater Indicator Control Circuit High
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Generic OBD-II
P037C
Cold Start Camshaft Profile System Performance
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Generic OBD-II
P037D
Glow Plug Sense Circuit
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Generic OBD-II
P037E
Glow Plug Sense Circuit Low
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Generic OBD-II
P037F
Glow Plug Sense Circuit High
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Generic OBD-II
P0380
Glow Plug/Heater Circuit A
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Generic OBD-II
P0381
Glow Plug/Heater Indicator Control Circuit/Open
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Generic OBD-II
P0382
Glow Plug/Heater Circuit B
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Generic OBD-II
P0383
Glow Plug Control Module 1 Control Circuit Low
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Generic OBD-II
P0384
Glow Plug Control Module 1 Control Circuit High
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Generic OBD-II
P0385
Crankshaft Position Sensor B Circuit
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Generic OBD-II
P0386
Crankshaft Position Sensor B Circuit Range/Performance
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Generic OBD-II
P0387
Crankshaft Position Sensor B Circuit Low
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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.