| P1300 | Random Misfire (Acura) |
| P1309 | Misfire Monitor Disabled (Ford) |
| P1320 | Ignition Control (IC) Module 4x Reference Circuit Intermittent No Pulses |
| P1323 | Ignition Control (IC) Module 24x Reference Circuit low frequency |
| P1336 | Crankshaft Position System Variation Not Learned (GM) |
| P1336 | Crankshaft Speed Fluctuation Sensor Intermittant Interruption (Acura) |
| P1337 | Crankshaft Speed Fluctuation Sensor No Signal (Acura) |
| P1350 | Ignition Control System |
| P1351 | Ignition Coil Control Circuit High Voltage (GM) |
| P1352 | Ignition Bypass Circuit High Voltage (GM) |
| P1359 | Crankshaft Position/TDC/Cylinder Position Sensor Connector Disconnection (Acura) |
| P1361 | Intermittent Interruption In TDC1 Sensor Circuit (Acura) |
| P1361 | Ignition Control (IC) Circuit Low Voltage (GM) |
| P1362 | No Signal In TDC1 Sensor Circuit (Acura) |
| P1362 | Ignition Bypass Circuit Low Voltage (GM) |
| P1366 | Intermittent Interruption In TDC2 Sensor Circuit (Acura) |
| P1367 | No Signal In TDC2 Sensor Circuit (Acura) |
| P1370 | Ignition Control (IC) Module 4x Reference too many pulses |
| P1371 | Ignition Control (IC) Module 4x Reference too few pulses |
| P1374 | CKP High to Low Resolution Frequency Correlation (GM) |
| P1375 | Ignition Control (IC) Module 24x Reference High Voltage |
| P1376 | Ignition Ground Circuit |
| P1377 | Ignition Control (IC) Module Cam Pulse to 4x Reference Pulse Comparison |
| P1380 | EBTCM DTC Detected-Rough Data Unusable |
| P1380 | Variable Cam Timing Solenoid A Circuit Malfunction (Ford) |
| P1381 | Misfire Detected-No EBTCM/PCM Serial Data |
| P1381 | Cylinder Position Sensor Intermittant Inturruption (Acura) |
| P1381 | Variable Cam Timing Over-advanced (Bank 1) (Ford) |
| P1382 | Cylinder Position Sensor No Signal (Acura) |
| P1383 | Variable Cam Timing Over-retarded (Bank 1) (Ford) |
| P1388 | Auto Shutdown Relay Circuit (Chrysler) |
| P1389 | No ASD Relay Output Voltage At PCM (Chrysler) |
| P1390 | Timing Belt Skipped One Tooth or More (Chrysler) |
| P1390 | Octane Adjust Out Of Range (Mazda) |
| P1391 | Intermittent Loss of CMP or CKP (Chrysler) |
| P1398 | Mis-Fire Adapter Numerator at Limit (Chrysler) |
| P1399 | Wait To Start Lamp Circuit (Chrysler) |