Ignition System and Misfires

107 diagnostic codes in this category

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P0300 means the engine is experiencing random or multiple-cylinder misfires: the air-fuel mixture is failing...

P0301 indicates a misfire detected specifically in cylinder 1: the air-fuel mixture is not igniting reliably...

P0302 indicates a misfire detected specifically in cylinder 2: the air-fuel mixture is not igniting reliably...

P0303 indicates a misfire detected specifically in cylinder 3: the air-fuel mixture is not igniting reliably...

P0304 indicates a misfire detected specifically in cylinder 4: the air-fuel mixture is not igniting reliably...

P0305 indicates a misfire detected specifically in cylinder 5: the air-fuel mixture is not igniting reliably...

P0306 indicates a misfire detected specifically in cylinder 6: the air-fuel mixture is not igniting reliably...

P0307 indicates that the engine control module (ECM) has detected a misfire in cylinder 7. A misfire occurs...

P0308 indicates that the engine control module (ECM) has detected a misfire in cylinder 8. A misfire occurs...

P0309 indicates that the engine control module (ECM) has detected a misfire in cylinder 9. This can be caused...

The P0310 code indicates that the engine control module (ECM) has detected a misfire in cylinder 10. A...

The P0311 code indicates that the engine control module (ECM) has detected a misfire in cylinder 11. A...

The P0312 code indicates that the engine control module (ECM) has detected a misfire in cylinder 12. A...

P0313 indicates that the engine control module (ECM) has detected a misfire condition while the fuel level is...

The P0314 code indicates that the powertrain control module (PCM) has detected a misfire in a single...

The P0315 code indicates that the Engine Control Module (ECM) has not learned the crankshaft position sensor...

P0316 indicates that the engine control module (ECM) has detected a misfire within the first 1,000...

The P0317 code indicates that the Powertrain Control Module (PCM) has detected a missing or malfunctioning...

The P0318 code indicates a problem with the Rough Road Sensor (also known as the acceleration sensor or...

The P0319 code indicates a problem with the Rough Road Sensor B signal circuit. This sensor detects road...

The P0320 code indicates a problem with the ignition/distributor engine speed input circuit. This circuit is...

The P0321 code indicates that the Engine Control Module (ECM) has detected an issue with the...

The P0322 code indicates that the Engine Control Module (ECM) has detected no signal from the crankshaft...

The P0323 code indicates that the Engine Control Module (ECM) has detected an intermittent or erratic signal...

The P0324 code indicates a malfunction in the knock control system, which monitors engine vibrations to...

The P0325 code indicates a malfunction in the knock sensor 1 circuit on bank 1 (or single sensor). The knock...

The P0326 code indicates that the Engine Control Module (ECM) has detected a signal from the knock sensor...

The P0327 code indicates that the Engine Control Module (ECM) has detected a low voltage signal from the...

The P0328 code indicates that the Engine Control Module (ECM) has detected a voltage signal from the knock...

The P0329 code indicates that the Engine Control Module (ECM) has detected an intermittent signal from the...

The P032A code indicates a problem with the knock sensor 3 circuit on bank 1 of the engine. The knock sensor...

The P032B code indicates that the Engine Control Module (ECM) has detected a malfunction in the knock sensor...

The P032C code indicates that the Engine Control Module (ECM) has detected a low voltage signal from knock...

The P032D code indicates that the Engine Control Module (ECM) has detected a high voltage signal from the...

The P032E code indicates an intermittent fault in the knock sensor 3 circuit on bank 1 of the engine. The...

The P0330 code indicates a malfunction in the knock sensor 2 circuit on bank 2 of the engine. The knock...

The P0331 code indicates that the Engine Control Module (ECM) has detected a malfunction in the knock sensor...

The P0332 code indicates that the Engine Control Module (ECM) has detected a low voltage signal from the...

The P0333 code indicates that the Engine Control Module (ECM) has detected a voltage signal from the knock...

The P0334 code indicates an intermittent fault in the knock sensor 2 circuit on bank 2 of the engine. The...

The P0335 code indicates that the Engine Control Module (ECM) has detected a malfunction in the crankshaft...

The P0336 code indicates that the Engine Control Module (ECM) has detected a signal from the crankshaft...

The P0337 code indicates that the Engine Control Module (ECM) has detected a low voltage signal from the...

The P0338 code indicates that the Engine Control Module (ECM) has detected a voltage signal from the...

The P0339 code indicates an intermittent signal from the crankshaft position sensor (CKP) circuit. The sensor...

The P033A code indicates a problem in the knock sensor 4 circuit on bank 2 of the engine. The knock sensor...

The P033B code indicates that the Engine Control Module (ECM) has detected a malfunction in the knock sensor...

The P033C code indicates that the Engine Control Module (ECM) has detected a low voltage signal from the...

The P033D code indicates that the Engine Control Module (ECM) has detected a high voltage signal from the...

The P033E code indicates an intermittent fault in the knock sensor 4 circuit on Bank 2 of the engine. Knock...

The P0340 code indicates that the Engine Control Module (ECM) has detected a problem with the camshaft...

The P0341 code indicates that the Engine Control Module (ECM) has detected a signal from the camshaft...

The P0342 code indicates that the Engine Control Module (ECM) has detected a low voltage signal from the...

The P0343 code indicates that the Engine Control Module (ECM) has detected a voltage signal from the camshaft...

The P0344 code indicates an intermittent signal from the camshaft position sensor on bank 1. This sensor...

The P0345 code indicates a problem with the camshaft position sensor circuit on Bank 2 (the side of the...

The P0346 code indicates that the Engine Control Module (ECM) has detected a signal from the camshaft...

The P0347 code indicates that the Engine Control Module (ECM) has detected a low voltage signal from the...

The P0348 code indicates that the Engine Control Module (ECM) has detected a voltage signal from the camshaft...

The P0349 code indicates an intermittent signal from the camshaft position sensor on bank 2 (the side of the...

The P0350 code indicates a general malfunction in the primary or secondary circuit of the ignition coil. This...

The P0351 code indicates a malfunction in the primary or secondary circuit of ignition coil 'A' (typically...

The P0352 code indicates a malfunction in the primary or secondary circuit of ignition coil B. This coil is...

The P0353 code indicates a malfunction in the primary or secondary circuit of ignition coil C (cylinder 3)....

The P0354 code indicates a malfunction in the primary or secondary circuit of ignition coil D (typically coil...

The P0355 code indicates a malfunction in the primary or secondary circuit of ignition coil E. This coil is...

The P0356 code indicates a malfunction in the primary or secondary circuit of ignition coil F. This coil is...

The P0357 code indicates a malfunction in the primary or secondary circuit of ignition coil G. This coil is...

Code P0358 indicates a malfunction in the primary or secondary circuit of ignition coil H (typically coil #8...

Code P0359 indicates a malfunction in the primary or secondary circuit of ignition coil I (cylinder 9). This...

The P0360 code indicates a malfunction in the primary or secondary circuit of ignition coil J. This coil is...

The P0361 code indicates a malfunction in the primary or secondary circuit of ignition coil K. This coil is...

The P0362 code indicates a malfunction in the primary or secondary circuit of ignition coil L. This coil is...

The P0363 code indicates that the powertrain control module (PCM) has detected a misfire condition severe...

The P0365 code indicates a problem with the camshaft position sensor circuit on bank 1 (the side of the...

The P0366 code indicates that the Engine Control Module (ECM) has detected a signal from the camshaft...

The P0367 code indicates that the Engine Control Module (ECM) has detected a low voltage condition in the...

The P0368 code indicates that the Engine Control Module (ECM) has detected a voltage signal from the camshaft...

Code P0369 indicates an intermittent signal from the camshaft position sensor on bank 1. This sensor monitors...

The P0370 code indicates a problem with the high-resolution timing reference signal from the crankshaft...

The PCM has detected an excessive number of pulses from the high-resolution crankshaft position sensor...

The PCM has detected that the high resolution crankshaft position sensor (also known as the CKP sensor) is...

The PCM has detected intermittent or erratic pulses from the high-resolution timing reference signal A,...

The PCM has detected a loss of the high resolution signal from the crankshaft position sensor (CKP) or...

The P0375 code indicates a malfunction in the high-resolution timing reference signal B, which is used by the...

The P0376 code indicates that the Powertrain Control Module (PCM) has detected an excessive number of pulses...

The P0377 code indicates that the Powertrain Control Module (PCM) has detected an insufficient number of...

The P0378 code indicates that the Powertrain Control Module (PCM) has detected intermittent or erratic pulses...

The P0379 code indicates that the Powertrain Control Module (PCM) has detected a loss of signal from the...

The P037D code indicates a problem in the glow plug sense circuit, which monitors the current or voltage of...

The P037E code indicates that the glow plug control module has detected a low voltage condition on the glow...

The P037F code indicates that the glow plug control module has detected a voltage higher than expected on the...

The P0380 code indicates a fault in the glow plug or heater circuit for cylinder 'A' (typically cylinder #1)....

The P0381 code indicates a malfunction in the glow plug indicator circuit, which is responsible for...

The P0382 code indicates a problem in the glow plug circuit for cylinder bank 2 in diesel engines. Glow plugs...

The P0383 code indicates that the powertrain control module (PCM) has detected a low voltage condition in the...

The P0384 code indicates that the powertrain control module (PCM) has detected a high voltage condition in...

The P0385 code indicates a malfunction in the 'B' circuit of the crankshaft position sensor. This sensor...

The P0386 code indicates that the Engine Control Module (ECM) has detected a signal from the crankshaft...

The P0387 code indicates that the Engine Control Module (ECM) has detected a low voltage signal from the...

The P0388 code indicates that the Engine Control Module (ECM) has detected a voltage signal from the...

The P0389 code indicates an intermittent signal from the crankshaft position sensor B circuit. This sensor...

The P0390 code indicates a problem in the electrical circuit of the camshaft position sensor on bank 2 (the...

The P0391 code indicates that the Engine Control Module (ECM) has detected a malfunction in the camshaft...

The P0392 code indicates that the Engine Control Module (ECM) has detected a low voltage signal from the...

The P0393 code indicates that the Engine Control Module (ECM) has detected a voltage signal from the camshaft...

The P0394 code indicates an intermittent signal from the camshaft position sensor on Bank 2 (the side of the...