| Code | What it means |
| P1031 | HO2S Heater Current Monitor Control Circuit Banks 1and 2 Sensor 1 |
| P1032 | HO2S Heater Warm Up Control Circuit Banks 1 and 2 Sensor 1 |
| P1105 | Secondary Vacuum Sensor Circuit |
| P1106 | Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage |
| P1107 | Manifold Absolute Pressure (MAP) Sensor Circuit Intermitten |
| P1108 | BARO to MAP Sensor Comparison Too High |
| P1109 | Secondary Port Throttle System |
| P1111 | Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage |
| P1112 | Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage |
| P1113 | Intake Resonance Switchover Solenoid Control Circuit |
| P1114 | Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage |
| P1115 | Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage |
| P1116 | ECT Signal Unstable or Intermittent |
| P1117 | Engine Coolant Temp. Signal Out-Of-Range Low |
| P1118 | Engine Coolant Temp. Signal Out-Of-Range High |
| P1119 | ECT Signal Out-Of-Range With TFT Sensor |
| P1120 | Throttle Position (TP) Sensor 1 Circuit |
| P1121 | Throttle Position (TP) Sensor Circuit IntermittentHigh Voltage |
| P1122 | Throttle Position (TP) Sensor Circuit IntermittentLow Voltage |
| P1125 | APP System |
| P1130 | HO2S Circuit Low Variance Bank 1 Sensor 1 |
| P1131 | HO2S Circuit Low Variance Bank 1 Sensor 2 |
| P1132 | HO2S Circuit Low Variance Bank 2 Sensor 1 |
| P1133 | HO2S Insufficient Switching Bank 1 Sensor 1 |
| P1134 | HO2S Transition Time Ratio Bank 1 Sensor 1 |
| P1135 | HO2S Lean Mean Bank 1 Sensor 1 |
| P1136 | HO2S Rich Mean Bank 1 Sensor 1 |
| P1137 | HO2S Bank 1 Sensor 2 Lean System or Low Voltage |
| P1138 | HO2S Bank 1 Sensor 2 Rich or High Voltage |
| P1139 | HO2S Insuff. Switching Bank 1 Sensor 2 |
| P1140 | HO2S Transition Time Ratio Bank 1 Sensor 2 |
| P1141 | HO2S Heater Control Circuit Bank 1 Sensor 2 |
| P1143 | HO2S Bank 1 Sensor 3 Lean System or Low Voltage |
| P1144 | HO2S Bank 1 Sensor 3 Rich or High Voltage |
| P1145 | HO2S Cross Counts Bank 1 Sensor 3 |
| P1153 | HO2S Insufficient Switching Bank 2 Sensor 1 |
| P1154 | HO2S Transition Time Ratio Bank 2 Sensor 1 |
| P1155 | HO2S Lean Mean Bank 2 Sensor 1 |
| P1156 | HO2S Rich Mean Bank 2 Sensor 1 |
| P1157 | HO2S Bank 2 Sensor 2 Lean System or Low Voltage |
| P1158 | HO2S Bank 2 Sensor 2 Rich or High Voltage |
| P1159 | HO2S Cross Counts Bank 2 Sensor 2 |
| P1161 | HO2S Heater Control Circuit Bank 2 Sensor 2 |
| P1163 | HO2S Bank 2 Sensor 3 Lean System or Low Voltage |
| P1164 | HO2S Bank 2 Sensor 3 Rich or High Voltage |
| P1165 | HO2S Cross Counts Bank 2 Sensor 3 |
| P1170 | Bank to Bank Fuel TrimOffset |
| P1171 | Fuel System Lean During Acceleration |
| P1172 | Fuel Transfer Pump Flow Insufficient |
| P1185 | Engine Oil Temperature Circuit |
| P1186 | EOT Circuit Performance |
| P1187 | EOT Sensor Ckt. Low Voltage |
| P1188 | EOT Sensor Ckt. High Voltage |
| P1189 | Engine Oil Pressure (EOP) Switch Circuit |
| P1190 | Engine Vacuum Leak |
| P1191 | Intake Air Duct Air Leak |
| P1200 | Injector Control Circuit |
| P1201 | (Alt. Fuel) Gas Mass Sensor Circuit Range/Performance |
| P1202 | (Alt. Fuel) Gas Mass Sensor Circuit Low Frequency |
| P1203 | (Alt. Fuel) Gas Mass Sensor Circuit High Frequency |
| P1211 | Mass Air Flow Circuit Intermittent High |
| P1212 | Mass Air Flow Circuit Intermittent Low |
| P1214 | Injection Pump Timing Offset |
| P1215 | Ground Fault Detection Indicated |
| P1216 | Fuel Solenoid Response Time Too Short |
| P1217 | Fuel Solenoid Response Time Too Long |
| P1218 | Injection Pump Calibration Circuit |
| P1219 | Throttle Position Sensor Reference Voltage |
| P1220 | Throttle Position (TP) Sensor 2 Circuit |
| P1221 | Fuel Pump Secondary Circuit Low |
| P1222 | Injector Control Circuit Intermittent |
| P1225 | Injector Circuit Cylinder 2 Intermittent |
| P1228 | Injector Circuit Cylinder 3 Intermittent |
| P1231 | Injector Circuit Cylinder 4 Intermittent |
| P1234 | Injector Circuit Cylinder 5 Intermittent |
| P1237 | Injector Circuit Cylinder 6 Intermittent |
| P1240 | Injector Circuit Cylinder 7 Intermittent |
| P1243 | Injector Circuit Cylinder 8 Intermittent |
| P1245 | Intake Plenum Switchover Valve |
| P1250 | Early Fuel Evaporation Heater Circuit |
| P1257 | Supercharger System Overboost |
| P1258 | Engine Coolant Overtemperature - Protection Mode Active |
| P1260 | Last Test Failed Failed SCC ENTER:More Info. |
| P1270 | Accelerator Pedal Position Sensor A/D Converter Error |
| P1271 | Accelerator Pedal Position (APP) Sensor 1-2 Correlation |
| P1272 | Accelerator Pedal Position Sensor 2 |
| P1273 | """Accelerator Pedal Position Sensor 1" |
| P1274 | Injectors Wired Incorrectly |
| P1275 | Accelerator Pedal Position (APP) Sensor 1 Circuit |
| P1276 | Accelerator Pedal Position Sensor 1 Circuit Performance |
| P1277 | Accelerator Pedal Position Sensor 1 Circuit Low Voltage |
| P1278 | Accelerator Pedal Position Sensor 1 Circuit High Voltage |
| P1280 | Accelerator Pedal Position (APP) Sensor 2 Circuit |
| P1281 | Accelerator Pedal Position Sensor 2 Circuit Performance |
| P1282 | Accelerator Pedal Position Sensor 2 Circuit Low Voltage |
| P1283 | Accelerator Pedal Position Sensor 2 Circuit High Voltage |
| P1285 | Accelerator Pedal Position Sensor 3 Circuit |
| P1286 | Accelerator Pedal Position Sensor 3 Circuit Performance |
| P1287 | Accelerator Pedal Position Sensor 3 Circuit Low Voltage |
| P1288 | Accelerator Pedal Position Sensor 3 Circuit High Voltage |
| P1300 | Ignitor Circuit |
| P1305 | Ignition Coil 2 Primary Feedback Circuit |
| P1310 | Ignition Coil 3 Primary Feedback Circuit |
| P1315 | Ignition Coil 4 Primary Feedback Circuit |
| P1320 | IC 4X Reference Circuit Intermittent |
| P1321 | Electronic Ignition System Fault Line |
| P1322 | EI System or Ignition Control Extra or Missing |
| P1323 | IC 24X Reference Circuit Low Frequency |
| P1324 | Crank RPM Too Low |
| P1335 | CKP Circuit |
| P1336 | Crankshaft Position (CKP) System Variation Not Learned |
| P1345 | Crankshaft Position (CKP)-Camshaft Position (CMP) Correlation |
| P1346 | Intake Camshaft Position [CMP] Sensor System Performance |
| P1350 | Ignition Control System |
| P1351 | Ignition Coil Control Circuit High Voltage |
| P1352 | IC Output High/Pulse Detected when GND_Cyl. 2 |
| P1353 | IC Output High/Pulse Detected when GND_Cyl. 3 |
| P1354 | IC Output High/Pulse Detected when GND_Cyl. 4 |
| P1355 | IC Output High/Pulse Detected when GND_Cyl. 5 |
| P1356 | IC Output High/Pulse Detected when GND_Cyl. 6 |
| P1357 | IC Output High/Pulse Detected when GND_Cyl. 7 |
| P1358 | IC Output High/Pulse Detected when GND_Cyl. 8 |
| P1359 | Ignition Coil Group 1 Control Circuit |
| P1360 | Ignition Coil Group 2 Control Circuit |
| P1361 | Ignition Coil Control Circuit Low Voltage |
| P1362 | IC Cylinder 2 Not Toggling After Enable |
| P1363 | IC Cylinder 3 Not Toggling After Enable |
| P1364 | IC Cylinder 4 Not Toggling After Enable |
| P1365 | IC Cylinder 5 Not Toggling After Enable |
| P1366 | IC Cylinder 6 Not Toggling After Enable |
| P1367 | IC Cylinder 7 Not Toggling After Enable |
| P1368 | IC Cylinder 8 Not Toggling After Enable |
| P1370 | IC 4X Reference Circuit Too Many Pulses |
| P1371 | IC 4X Reference Circuit Too Few Pulses |
| P1372 | Crankshaft Position (CKP) Sensor A-B Correlation |
| P1374 | 3X Reference Circuit |
| P1375 | IC 24X Reference Circuit High Voltage |
| P1376 | Ignition Ground Circuit |
| P1377 | IC Cam Pulse To 4X Reference Pulse |
| P1380 | Misfire Detected - Rough Road Data Not Available |
| P1381 | Misfire Detected - No Communication with Brake Control Module |
| P1390 | Wheel Speed Sensor 1 - G - Sensor Circuit |
| P1391 | Wheel Speed Sensor 1 - G - Sensor Circuit Performance |
| P1392 | Wheel Speed Sensor 1 - G - Sensor Circuit Low Voltage |
| P1393 | Wheel Speed Sensor 1 - G - Sensor Circuit High Voltage |
| P1394 | Wheel Speed Sensor 1 - G - Sensor Circuit Intermittent |
| P1395 | Wheel Speed Sensor 2 - G - Sensor Circuit |
| P1396 | Wheel Speed Sensor 2 - G - Sensor Circuit Performance |
| P1397 | Wheel Speed Sensor 2 - G - Sensor Circuit Low Voltage |
| P1398 | Wheel Speed Sensor 2 - G - Sensor Circuit High Voltage |
| P1399 | Wheel Speed Sensor 2 - G - Sensor Circuit Intermittent |
| P1403 | Exhaust Gas Recirculation System Valve 1 |
| P1404 | Exhaust Gas Recirculation (EGR) Closed Position Performance |
| P1405 | Exhaust Gas Recirculation System Valve 3 |
| P1406 | EGR Valve Pintle Position Circuit |
| P1407 | EGR Air Intrusion in Exhaust Supply to EGR Valve |
| P1408 | Intake Manifold Pressure Sensor Circuit |
| P1409 | EGR Vacuum System Leak |
| P1410 | Fuel Tank Pressure System |
| P1415 | Secondary Air Injection (AIR) System Bank 1 |
| P1416 | Secondary Air Injection (AIR) System Bank 2 |
| P1418 | Secondary Air Injection System Relay A Control Circuit High |
| P1420 | Intake Air Low Pressure Switch Circuit Low Voltage |
| P1421 | Intake Air Low Pressure Switch Circuit High Voltage |
| P1423 | Intake Air High Pressure Switch Circuit High Voltage |
| P1431 | Fuel Level Sensor 2 Circuit Performance |
| P1432 | Fuel Level Sensor 2 Circuit Low Voltage |
| P1433 | Fuel Level Sensor 2 Circuit High Voltage |
| P1441 | Evaporative Emission (EVAP) System Flow During Non-Purge |
| P1442 | EVAP Vacuum Sw. High Voltage During Ign. On |
| P1450 | Barometric Pressure Sensor Circuit |
| P1451 | Barometric Press. Sensor Performance |
| P1460 | Cooling Fan Control System |
| P1460 | Misfire Detected With Low Fuel Level |
| P1480 | Cooling Fan 1 Control Circuit High |
| P1483 | Engine Cooling System Performance |