Pin16

P12xx

Fuel and air metering - injector circuits

The electrical circuits driving the fuel injectors, and injector performance itself.

No open-source descriptions exist for this system, so its codes are read from their structure.

Manufacturer-specific. Check a source specific to your make and model year. The subsystem digit is still a reliable hint.

P1200 P1201 P1202 P1203 P1204 P1205 P1206 P1207 P1208 P1209 P120A P120B P120C P120D P120E P120F P1210 P1211 P1212 P1213 P1214 P1215 P1216 P1217 P1218 P1219 P121A P121B P121C P121D P121E P121F P1220 P1221 P1222 P1223 P1224 P1225 P1226 P1227 P1228 P1229 P122A P122B P122C P122D P122E P122F P1230 P1231 P1232 P1233 P1234 P1235 P1236 P1237 P1238 P1239 P123A P123B P123C P123D P123E P123F P1240 P1241 P1242 P1243 P1244 P1245 P1246 P1247 P1248 P1249 P124A P124B P124C P124D P124E P124F P1250 P1251 P1252 P1253 P1254 P1255 P1256 P1257 P1258 P1259 P125A P125B P125C P125D P125E P125F P1260 P1261 P1262 P1263 P1264 P1265 P1266 P1267 P1268 P1269 P126A P126B P126C P126D P126E P126F P1270 P1271 P1272 P1273 P1274 P1275 P1276 P1277 P1278 P1279 P127A P127B P127C P127D P127E P127F P1280 P1281 P1282 P1283 P1284 P1285 P1286 P1287 P1288 P1289 P128A P128B P128C P128D P128E P128F P1290 P1291 P1292 P1293 P1294 P1295 P1296 P1297 P1298 P1299 P129A P129B P129C P129D P129E P129F P12A0 P12A1 P12A2 P12A3 P12A4 P12A5 P12A6 P12A7 P12A8 P12A9 P12AA P12AB P12AC P12AD P12AE P12AF P12B0 P12B1 P12B2 P12B3 P12B4 P12B5 P12B6 P12B7 P12B8 P12B9 P12BA P12BB P12BC P12BD P12BE P12BF P12C0 P12C1 P12C2 P12C3 P12C4 P12C5 P12C6 P12C7 P12C8 P12C9 P12CA P12CB P12CC P12CD P12CE P12CF P12D0 P12D1 P12D2 P12D3 P12D4 P12D5 P12D6 P12D7 P12D8 P12D9 P12DA P12DB P12DC P12DD P12DE P12DF P12E0 P12E1 P12E2 P12E3 P12E4 P12E5 P12E6 P12E7 P12E8 P12E9 P12EA P12EB P12EC P12ED P12EE P12EF P12F0 P12F1 P12F2 P12F3 P12F4 P12F5 P12F6 P12F7 P12F8 P12F9 P12FA P12FB P12FC P12FD P12FE P12FF

Read this code from your own car

Plug an ELM327 adapter into the OBD-II port under the dashboard. Pin16 reads every stored, pending and permanent code, explains each one like this page does — offline, with no account — and shows what the car recorded when the fault was set.

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