Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Engine Performance DTC
/PERFORMANCE PROBLEM P0117 16501 ECT SENSOR CIRCUIT LOW INPUT P0118 16502 ECT SENSOR CIRCUIT HIGH INPUT P0120 16504 TP SENSOR CIRCUIT MALFUNCTION P0121 16505 TP SENSOR CKT RANGE/PERFORMANCE PROBLEM P0122 16506 TP SENSOR CIRCUIT LOW INPUT P0123 16507 TP SENSOR CIRCUIT HIGH INPUT P0130 16514 HO2S CIRCUIT MALFUNCTION (BANK 1, SENSOR 1) P0132 16516 HO2S CIRCUIT HIGH VOLTAGE (BANK 1, SENSOR 1) P0133 16517 HO2S CKT SLOW RESPONSE (BANK 1, SENSOR 1) P0134 16518 HO2S CIRCUIT NO ACTIVITY DETECTED (BANK 1, SENSOR 1) P0135 16519 HO2S HEATER CIRCUIT MALFUNCTION (BANK 1, SENSOR 1) P0136 16520 HO2S CKT MALFUNCTION (BANK 1, SENSOR 2) P0138 16522 HO2S CKT HIGH VOLTAGE (BANK 1, SENSOR 2) P0141 16525 HO2S HEATER CIRCUIT MALFUNCTION (BANK 1, SENSOR 2) P0150 16534 HO2S CKT MALFUNCTION (BANK 2, SENSOR 1) P0152 16536 HO2S CKT HIGH VOLTAGE (BANK 2, SENSOR 1) P0153 16537 HO2S CKT SLOW RESPONSE (BANK 2, SENSOR 1) P0154 16538 HO2S CIRCUIT NO ACTIVITY DETECTED (BANK 2, SENSOR 1) P0155 16539 HO2S HEATER CIRCUIT MALFUNCTION (BANK 2, SENSOR 1) P0156 16540 HO2S CKT MALFUNCTION (BANK 2, SENSOR 2) P0158 16542 HO2S CKT HIGH VOLTAGE (BANK 2, SENSOR 2) P0161 16545 HO2S HEATER CIRCUIT MALFUNCTION (BANK 2, SENSOR 2) P0170 16554 FUEL TRIM MALFUNCTION (BANK 1) P0171 16555 SYSTEM TOO LEAN (BANK 1) P0172 16556 SYSTEM TOO RICH (BANK 1) P0173 16557 FUEL TRIM MALFUNCTION (BANK 2) P0174 16558 SYSTEM TOO LEAN (BANK 2) P0175 16559 SYSTEM TOO RICH (BANK 2) P0300 16684 RANDOM MISFIRE DETECTED P0301 16685 CYLINDER NO. 1 MISFIRE DETECTED P0302 16686 CYLINDER NO. 2 MISFIRE DETECTED P0303 16687 CYLINDER NO. 3 MISFIRE DETECTED P0304 16688 CYLINDER NO. 4 MISFIRE DETECTED P0305 16689 CYLINDER NO. 5 MISFIRE DETECTED P0306 16690 CYLINDER NO. 6 MISFIRE DETECTED P0322 16706 IGNITION ENGINE SPEED INPUT CIRCUIT NO SIGNAL P0327 16711 KNOCK SENSOR NO. 1 CIRCUIT LOW INPUT (BANK 1 OR SINGLE SENSOR) P0332 16716 KNOCK SENSOR NO. 2 CKT LOW INPUT (BANK 2) P0337 16721 CRANKSHAFT POSITION SENSOR CKT LOW INPUT P0401 16785 EGR FLOW INSUFFICIENT DETECTED P0402 16786 EGR FLOW EXCESSIVE DETECTED P0422 16806 MAIN CATALYST EFFICIENCY BELOW THRESHOLD (BANK 1) P0432 16806 MAIN CATALYST EFFICIENCY BELOW THRESHOLD (BANK 2) P0440 16824 EVAP SYSTEM MALFUNCTION P0452 16836 EVAP SYSTEM PRESSURE SENSOR LOW INPUT P0453 16837 EVAP SYSTEM PRESSURE SENSOR HIGH INPUT P0461 16845 FUEL LEVEL SENSOR CIRCUIT RANGE/PERFORMANCE P0501 16885 VEHICLE SPEED SENSOR RANGE/PERFORMANCE P0605 16989 PCM ROM ERROR P0706 17090 TRANS RANGE SENSOR CKT RANGE/PERFORMANCE P0707 17091 TRANSMISSION RANGE SENSOR CKT LOW INPUT P1101 17509 HO2S VOLTAGE TOO LOW/AIR LEAK (BANK 1, SENSOR 1) P1102 17510 HO2S HEATER CKT SHRT TO B+ (BANK 1, SENS 1) P1104 17512 HO2S VOLTAGE TOO LOW/AIR LEAK (BANK 1, SENSOR 2) P1105 17513 HO2S HTR CKT SHRT TO B+ (BANK 1, SENSOR 2) P1106 17514 HO2S VOLTAGE TOO LOW/AIR LEAK (BANK 2, SENSOR 1) P1107 17515 HO2S HEATER CIRCUIT SHORT TO B+ (BANK 2, SENSOR 1) P1109 17517 HO2S VOLTAGE TOO LOW/AIR LEAK (BANK 2, SENSOR 2) P1110 17518 HO2S HEATER CIRCUIT SHORT TO B+ (BANK 2, SENSOR 2) P1201 17609 CYLINDER NO. 1 FUEL INJECTOR CIRCUIT ELECTRICAL MALFUNCTION P1202 17610 CYLINDER NO. 2 FUEL INJECTOR CIRCUIT ELECTRICAL MALFUNCTION P1203 17611 CYLINDER NO. 3 FUEL INJECTOR CIRCUIT ELECTRICAL MALFUNCTION P1204 17612 CYLINDER NO. 4 FUEL INJECTOR CIRCUIT ELECTRICAL MALFUNCTION P1205 17613 CYLINDER NO. 5 FUEL INJECTOR CIRCUIT ELECTRICAL MALFUNCTION P1206 17614 CYLINDER NO. 6 FUEL INJECTOR CIRCUIT ELECTRICAL MALFUNCTION P1213 17621 CYLINDER NO. 1 FUEL INJECTOR CKT SHORT TO B+ P1214 17622 CYLINDER NO. 2 FUEL INJECTOR CKT SHORT TO B+ P1215 17623 CYLINDER NO. 3 FUEL INJECTOR CKT SHRT TO B+ P1216 17624 CYLINDER NO. 4 FUEL INJECTOR CKT SHRT TO B+ P1217 17625 CYLINDER NO. 5 FUEL INJECTOR CKT SHRT TO B+ P1218 17626 CYLINDER NO. 6 FUEL INJECTOR CKT SHRT TO B+ P1250 17658 FUEL LEVEL TOO LOW P1325 17733 CYLINDER NO. 1 KNOCK CONTROL LIMIT ATTAINED P1326 17734 CYLINDER NO. 2 KNOCK CONTROL LIMIT ATTAINED P1327 17735 CYLINDER NO. 3 KNOCK CONTROL LIMIT ATTAINED P1328 17736 CYLINDER NO. 4 KNOCK CONTROL LIMIT ATTAINED P1329 17737 CYLINDER NO. 5 KNOCK CONTROL LIMIT ATTAINED P1330 17738 CYLINDER NO. 5 KNOCK CONTROL LIMIT ATTAINED P1339 17747 CRANKSHAFT POSITION SENSOR/ENGINE SPEED SENSOR CROSS CONNECTED P1340 17748 CAMSHAFT/CRANKSHAFT POSITION SENSOR SIGNALS OUT OF SEQUENCE P1341 17749 IGNITION COIL POWER OUTPUT STAGE 1 SHORT TO GROUND P1343 17751 IGNITION COIL POWER OUTPUT STAGE 2 SHORT TO GROUND P1345 17753 IGNITION COIL POWER OUTPUT STAGE 2 SHORT TO GROUND P1391 17799 CMP SENSOR SHORT TO GROUND P1392 17800 CMP SENSOR OPEN CIRCUIT OR SHORT TO B+ P1393 17801 IGNITION COIL POWER OUTPUT STAGE 1 ELECTRICAL MALFUNCTION P1394 17802 IGNITION COIL POWER OUTPUT STAGE 2 ELECTRICAL MALFUNCTION P1395 17803 IGNITION COIL POWER OUTPUT STAGE 3 ELECTRICAL MALFUNCTION P1396 17804 ENGINE SPEED SENSOR MISSING TOOTH P1400 17808 EGR VALVE CIRCUIT ELECTRICAL MALFUNCTION P1402 17810 EGR VALVE CIRCUIT SHORT TO B+ P1407 17815 EGR TEMPERATURE SENSOR SIGNAL TOO LOW P1408 17816 EGR TEMPERATURE SENSOR SIGNAL TOO HIGH P1409 17817 FUEL TANK VENTILATION VALVE ELEC MALFNCTION P1410 17818 FUEL TANK VENTILATION VALVE SHORT TO B+ P1500 17908 FUEL PUMP RELAY CIRCUIT ELEC MALFUNCTION P1504 17912 INTAKE AIR SYSTEM BYPASS AIR DETERMINED P1505 17913 CTP SWITCH DOES NOT CLOSE (OPEN CIRCUIT) P1506 17914 CTP SWITCH DOES NOT OPEN (SHORT TO GROUND) P1509 17917 IAC CIRCUIT ELECTRICAL MALFUNCTION P1510 17918 IAC CIRCUIT SHORT TO B+ P1511 17919 INTAKE MANIFOLD CHANGE-OVER VALVE CIRCUIT ELECTRICAL MALFUNCTION P1512 17920 INTAKE MANIFOLD CHANGE-OVER VALVE CIRCUIT SHORT TO B+ P1600 18008 POWER SUPPLY (B+) TERMINAL 15 LOW VOLTAGE P1602 18010 POWER SUPPLY (B+) TERMINAL 30 LOW VOLTAGE P1606 18014 ROUGH ROAD/ACCEL SENSOR ELEC MALFUNCTION P1611 18019 MALFUNCTION INDICATOR LIGHT (MIL) CALL-UP/TRANSMISSION CONTROL MODULE (TCM) SHORT TO GROUND P1612 18020 PCM INCORRECTLY CODED P1613 18021 MALFUNCTION INDICATOR LIGHT (MIL) CALL-UP CIRCUIT OPEN OR SHORT TO B+
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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