| P1229 | Supercharger Intercooler Pump Not Working (Ford) |
| P1232 | Low Speed Fuel Pump Primary Circuit Malfunction (Ford) |
| P1233 | Fuel System Disabled Or Offline (Ford) |
| P1234 | Fuel System Disabled Or Offline (Ford) |
| P1235 | Fuel Pump Control Out Of Range (Ford) |
| P1236 | Fuel Pump Control Out Of Range (Ford) |
| P1237 | Fuel Pump Secondary Circuit Malfunction (Ford) |
| P1238 | Fuel Pump Secondary Circuit Malfunction (Ford) |
| P1244 | Generator Load Low (Ford) |
| P1245 | Generator Load Input High (Ford) |
| P1246 | Generator Load Input Failed (Ford) |
| P1258 | Engine Metal Over Temperature Protection |
| P1259 | VTEC System Malfunction (Acura) |
| P1260 | Fuel Pump Speed Relay Control Circuit (GM) |
| P1260 | Theft Detected - Engine Disabled (Mazda) |
| P1260 | Theft Detected - Engine Disabled (Ford) |
| P1270 | Vehicle Speed Limiter Reached (Mazda) |
| P1270 | Vehicle Speed Limiter Reached (Ford) |
| P1281 | Engine Is Cold Too Long (Chrysler) |
| P1282 | Fuel Pump Relay Control Circuit(Chrysler) |
| P1285 | Cylinder Head Over Temperature Sensed (Ford) |
| P1288 | Intake Manifold Short Runner Solenoid Circuit (Chrysler) |
| P1290 | CHT Sensor Out Of Range (Ford) |
| P1289 | Manifold Tune Valve Solenoid Circuit (Chrysler) |
| P1289 | CHT Sensor High Input (Ford) |
| P1290 | CNG Fuel Pressure Too High (Chrysler) |
| P1290 | CHT Sensor Low Input (Ford) |
| P1291 | No Temp Rise Seen From Fuel Heaters (Chrysler) |
| P1292 | CNG Pressure Sensor Voltage Too High (Chrysler) |
| P1293 | CNG Pressure Sensor Voltage Too Low (Chrysler) |
| P1294 | Target Idle Not Reached (Chrysler) |
| P1295 | No 5 Volts To TP Sensor (Chrysler) |
| P1296 | No 5 Volts To MAP Sensor (Chrysler) |
| P1297 | No Change in MAB From Start To Run (Chrysler) |
| P1297 | Low Voltage ELD Circuit (Acura) |
| P1298 | High Voltage In ELD Circuit (Acura) |
| P1298 | Lean Operation At wide Open Throttle (Chrysler) |
| P1299 | Vacuum Leak Found (IAC Fully Seated)(Chrysler) |
| P1299 | Cylinder Head Over Temperature Protection Active (Ford) |