| Acura Codes |
|---|
|
| Trouble Code | Fault Location | Probable Cause |
|---|
P1000 – P1099 (Fuel and air metering and auxiliary emission control) | | P1009 | Variable Valve Timing Control Advance Malfunction | Wiring, valve timing, engine mechanical fault, CMP actuator, ECM |
| P1020 | Valve Pause System Stuck Off | |
| P1021 | Valve Pause System Stuck On | |
| P1024 | Valve Pause System Sticking On | |
| P1077 | Intake Manifold Runner Control System Malfunction Low RPM | Wiring, intake manifold air control solenoid, ECM programming, ECM |
| P1078 | Intake Manifold Runner Control System Malfunction High RPM | Wiring, intake manifold air control solenoid, ECM programming, ECM |
P1100 – P1199 (Fuel and air metering) | | P1102 | Mass air flow (MAF) sensor - signal higher than expected | MAF sensor |
| P1103 | Mass air flow (MAF) sensor - signal higher than expected | MAF sensor |
| P1106 | Barometric Pressure Sensor Range/Performance Problem | ECM |
| P1107 | Barometric Pressure Sensor Circuit Low Voltage | Wiring, TCM, ECM |
| P1108 | Barometric Pressure Sensor Circuit High Voltage | ECM |
| P1109 | BARO Sensor Circuit Out of Range High | BARO sensor, ECM programming, ECM |
| P1111 | Intake air temperature (IAT) sensor - circuit/ intermittent voltage high | Wiring, IAT sensor |
| P1112 | Intake air temperature (IAT) sensor - circuit/ intermittent voltage low | Wiring, IAT sensor |
| P1114 | Engine coolant temperature (ECT) sensor - circuit/ intermittent voltage low | Wiring, ECT sensor |
| P1115 | Engine coolant temperature (ECT) sensor - circuit/ intermittent voltage high | Wiring, ECT sensor |
| P1116 | Engine Coolant Temperature Sensor Performance Problem | Wiring, ECT sensor, ECM programming, ECM |
| P1121 | Throttle position (TP) sensor - circuit/ intermittent voltage high | Wiring, TP sensor |
| P1122 | Throttle position (TP) sensor - circuit/ intermittent voltage low | Wiring, TP sensor |
| P1128 | Manifold absolute pressure (MAP) sensor - pressure lower than expected | MAP sensor |
| P1129 | Manifold absolute pressure (MAP) sensor - pressure higher than expected | MAP sensor |
| P1131 | Brake system vacuum sensor – signal malfunction | Wiring, other trouble codes stored, brake system vacuum sensor, brake servo vacuum pump, ECM programming, ECM |
| P1133 | Heated oxygen sensor (HO2S) - RH front - insufficient switching | Exhaust system, wiring, HO2S, ECM |
| P1134 | Heated oxygen sensor (HO2S) - RH front - slow operation | Exhaust system, wiring, HO2S, ECM |
| P1149 | Air/Fuel Ratio Sensor 1 Circuit Range/Performance | |
| P1153 | Heated oxygen sensor (HO2S) - LH front - insufficient switching | Exhaust system, wiring, HO2S, ECM |
| P1154 | Heated oxygen sensor (HO2S) - LH front - slow operation | Exhaust system, wiring, HO2S, ECM |
| P1157 | Air/Fuel Ratio Sensor 1 Range/Performance Problem | Wiring, H02S, ECM programming, ECM |
| P1158 | Air/Fuel Ratio Sensor 1 Terminal Low Voltage | |
| P1159 | Air/Fuel Ratio Sensor 1 AFS+ Terminal Low Voltage | |
| P1162 | Air fuel (A/F) sensor - RSX 1 - circuit malfunction | Wiring, A/F sensor, ECM |
| P1163 | Air fuel (A/F) sensor - RSX 1 - slow response | A/F sensor |
| P1164 | Air fuel (A/F) sensor - RSX 1 - range/ performance problem | Wiring, A/F sensor, ECM |
| P1165 | Air/Fuel Ratio Sensor 1 Circuit Range/Performance | |
| P1166 | Air fuel (A/F) sensor - RSX 1 - heater circuit malfunction | Wiring, A/F sensor, ECM |
| P1167 | Air fuel (A/F) sensor - RSX 1 - heater system malfunction | Wiring, A/F sensor, ECM |
| P1168 | Air/Fuel Ratio Sensor Label Low Voltage | |
| P1169 | Air/Fuel Ratio Sensor 1 LABEL High Voltage | |
| P1171 | Fuel system - mixture lean under acceleration | Fuel pump/strainer, incorrect fuel |
| P1172 | Rear A/F Sensor Bank 1 Sensor 1 Circuit Out Of Range High | Wiring, H02S, ECM programming, ECM |
| P1174 | AF Sensor 21 Circuit Out Of Range High | Wiring, H02S, ECM programming, ECM |
| P1187 | Fuel Tank Temperature Sensor Circuit Low Voltage | |
| P1188 | Fuel Tank Temperature Sensor Circuit High Voltage | |
| P1192 | Fuel Tank Pressure Sensor Circuit Low Voltage | |
| P1193 | Fuel Tank Pressure Sensor Circuit High Voltage | |
P1200 – P1299 (Fuel and air metering – injector circuit) | | P1201 | Cylinder No. 1 - misfire | Wiring, injector, ignition system, mechanical fault |
| P1202 | Cylinder No. 2 - misfire | Wiring, injector, ignition system, mechanical fault |
| P1203 | Cylinder No. 3 - misfire | Wiring, injector, ignition system, mechanical fault |
| P1204 | Cylinder No. 4 - misfire | Wiring, injector, ignition system, mechanical fault |
| P1205 | Cylinder No. 5 - misfire | Wiring, injector, ignition system, mechanical fault |
| P1206 | Cylinder No. 6 - misfire | Wiring, injector, ignition system, mechanical fault |
| P1233 | Turbocharger (TC) boost pressure sensor/barometric pressure (BARO) sensor- signal correlation | Wiring, TC boost pressure sensor, BARO sensor, ECM programming, ECM |
| P1234 | Turbocharger (TC) boost pressure sensor/manifold absolute pressure (MAP) sensor – signal correlation | Wiring, TC boost pressure sensor, MAP sensor, ECM programming, ECM |
| P1241 | Throttle actuator control (TAC) motor - circuit 1 - malfunction | Wiring, TAC motor, ECM |
| P1242 | Throttle actuator control (TAC) motor - circuit 2 - malfunction | Wiring, TAC motor, ECM |
| P1243 | Throttle position (TP) - insufficient | Throttle valve, TP sensor, TAC motor |
| P1244 | Closed throttle position (CTP) - insufficient | Throttle valve, TP sensor |
| P1246 | Accelerator pedal position (APP) sensor 1 - circuit malfunction | Wiring, APP sensor, ECM |
| P1247 | Accelerator pedal position (APP) sensor 2 - circuit malfunction | Wiring, APP sensor, ECM |
| P1248 | Accelerator pedal position (APP) sensor 1 & 2 - incorrect signals | APP sensor |
| P1253 | VTEC system malfunction | Wiring, VTEC solenoid, ECM |
| P1257 | VTEC System Malfunction | |
| P1258 | VTEC System Malfunction | |
| P1259 | Camshaft position (CMP) actuator - circuit malfunction | Wiring, CMP actuator, ECM |
| P1271 | Accelerator Pedal Position Sensor 1-2 Correlation | |
| P1272 | Accelerator Pedal Position Sensor 2-3 Correlation | |
| P1273 | Accelerator Pedal Position Sensor 1-3 Correlation | |
| P1275 | Accelerator Pedal Position Sensor 1 Circuit | |
| P1279 | VTEC control system malfunction - front bank | Wiring, VTEC solenoid/pressure switch, ECM |
| P1280 | Accelerator Pedal Position (APP) Sensor 2 Circuit Malfunction | |
| P1286 | Engine Oil Pressure Sensor Stuck Low | |
| P1287 | Rocker Arm Oil Pressure Switch Circuit High Voltage | |
| P1288 | Rocker Arm Oil Pressure Switch Circuit Low Voltage | |
| P1289 | Engine Oil Pressure Sensor Stuck High | |
| P1295 | Electronic Throttle Control Power Management Mode | |
| P1297 | Electrical load control module - voltage low | Wiring, electrical load control module |
| P1298 | Electrical load control module - voltage high | Wiring, electrical load control module |
| P1299 | Electronic Throttle Control Forced Engine Shut Down Mode | |
P1300 – P1399 (Ignition system or misfire) | | P1300 | Random misfire | EGR/fuel/ignition system, MAP sensor |
| P1301 | Cylinder No. 1 - misfire | Ignition system |
| P1302 | Cylinder No. 2 - misfire | Ignition system |
| P1303 | Cylinder No. 3 - misfire | Ignition system |
| P1304 | Cylinder No. 4 - misfire | Ignition system |
| P1305 | Cylinder No. 5 - misfire | Ignition system |
| P1306 | Cylinder No. 6 - misfire | Ignition system |
| P1316 | Spark plug voltage detection - LH bank - circuit malfunction | Wiring, voltage detection module, ECM |
| P1317 | Spark plug voltage detection - RH bank - circuit malfunction | Wiring, voltage detection module, ECM |
| P1318 | Spark plug voltage detection module reset - LH bank - reset circuit malfunction | Wiring, voltage detection module, ECM |
| P1319 | Spark plug voltage detection module reset - RH bank - reset circuit malfunction | Wiring, voltage detection module, ECM |
| P1324 | Knock Sensor Power Source Circuit Low Voltage | |
| P1326 | Ignition Control Module Combustion Quality Input Signal | |
| P1336 | Crankshaft position (CKP) range/performance problem | CKP sensor, valve timing |
| P1337 | Crankshaft position (CKP) circuit malfunction | Wiring, CKP sensor, ECM |
| P1359 | Crankshaft position (CKP) sensor - connector disconnection | Wiring |
| P1361 | Camshaft position (CMP) intermittent | Wiring, CMP sensor |
| P1362 | Camshaft position (CMP) no signal | Wiring, CMP sensor |
| P1366 | Camshaft position (CMP) intermittent | Wiring, CMP sensor |
| P1367 | Camshaft position (CMP) no signal | Wiring, CMP sensor |
| P1381 | Camshaft position (CMP) range/ performance problem | CMP sensor |
| P1382 | Camshaft position (CMP) malfunction | Wiring, CMP sensor, ECM |
| P1386 | Camshaft position (CMP) range/ performance problem | CMP sensor |
| P1387 | Camshaft position (CMP) malfunction | Wiring, CMP sensor, ECM |
| P1390 | G-sensor - intermittent voltage low | Wiring, G-sensor |
| P1391 | G-sensor - performance problem | Seal damaged/missing, incorrectly installed, wiring, G-sensor, ECM |
| P1392 | G-sensor - voltage low | Wiring, G-sensor, ECM |
| P1393 | G-sensor - voltage high | Wiring, G-sensor, ECM |
| P1394 | G-sensor - intermittent voltage high | Wiring, G-sensor |
| P1399 | Random misfire | Fuel/ignition system, MAP sensor, IAC valve |
P1400 – P1499 (Emission control) | | P1404 | EGR Valve Stuck Closed | |
| P1406 | Exhaust gas recirculation (EGR) valve position sensor - circuit problem | Wiring, EGR valve/position sensor, ECM |
| P1410 | Secondary air injection (AIR) system - malfunction | AIR pump |
| P1413 | Secondary Air Injection System Control Solenoid Circuit High Voltage | |
| P1415 | AIR pump electrical current sensor - open/ short circuit | Wiring, AIR pump electrical current sensor, ECM |
| P1416 | AIR pump electrical current sensor - open circuit | Wiring, AIR pump electrical current sensor, ECM |
| P1420 | NOx Adsorptive Catalyst System Efficiency Below Threshold | |
| P1441 | Evaporative emission (EVAP) canister purge system - flow detected | Wiring, EVAP solenoid, vacuum switch, ECM |
| P1442 | Evaporative emission (EVAP) canister purge system - vacuum switch malfunction | Wiring, vacuum switch, ECM |
| P1450 | Two Way Valve Bypass Valve Control Circuit Low Voltage | |
| P1451 | Two Way Valve Bypass Valve Control Circuit High Voltage | |
| P1454 | Fuel Tank Pressure Sensor Range/Performance Problem | Wiring, hose, fuel tank pressure sensor, fuel filler cap, EVAP canister/vent valve, ECM programming, ECM |
| P1456 | Evaporative emission (EVAP) canister purge system (fuel tank system) - leak detected | Hose leak/blockage, fuel tank/pressure sensor, EVAP valve/bypass solenoid, EVAP two way valve, EVAP canister/ vent valve |
| P1457 | Evaporative emission (EVAP) canister purge system (canister system) - leak detected | Hose leak/blockage, fuel tank/ pressure sensor, EVAP valve/bypass solenoid, EVAP two way valve, EVAP canister/ vent valve |
| P1459 | Evaporative emission (EVAP) canister purge system - switch malfunction | Wiring, flow switch, hose leak/blockage, ECM |
| P145A | Evaporative emission (EVAP) canister purge system – incorrect flow | Wiring, hose leak/blockage, EVAP canister purge valve, non-return valve B, ECM programming, ECM |
| P145B | Evaporative emission (EVAP) canister purge system – non-return valve stuck open | Non-return valve A |
| P145C | Evaporative emission (EVAP) canister purge system – incorrect flow | Wiring, hose leak/blockage, EVAP canister purge valve, mechanical fault, ECM programming, ECM |
| P145D | Evaporative emission (EVAP) canister purge system – incorrect flow | Wiring, hose leak/blockage, EVAP canister purge valve, non-return valve B, ECM programming, ECM |
| P1460 | Fuel Level Sensor Power Supply Circuit | |
| P1486 | Thermostat - range/performance problem | Engine coolant blower motor, cooling system |
| P1491 | Exhaust gas recirculation (EGR) system - valve lift insufficient | Wiring, EGR valve/position sensor, EGR solenoid, hose leak/blockage, ECM |
| P1498 | Exhaust gas recirculation (EGR) valve position sensor - voltage high | Wiring, EGR valve/lift sensor, ECM |
P1500 – P1599 (Vehicle or idle speed control) | | P1505 | Positive Crankcase Ventilation Air Leakage | |
| P1508 | Idle air control (IAC) system - low RPM | Intake system, throttle body, hose leak, wiring, IAC valve, ECM |
| P1509 | Idle air control (IAC) system - high RPM | Hose leak, throttle body, crankcase vent valve, wiring, IAC valve, ECM |
| P1514 | Throttle Position Sensor / Mass Air Flow Sensor Signal Variation | |
| P1516 | Throttle Actuator Control Position Performance | |
| P1519 | Idle air control (IAC) valve - circuit failure | Wiring, IAC valve, ECM |
| P1522 | Brake Booster Pressure Sensor Circuit Low Voltage | |
| P1523 | Brake Booster Pressure Sensor Circuit High Voltage | |
| P1541 | Passenger Compartment Heater Standby Signal Circuit Low Input | |
| P1549 | Charging System High Voltage | Wiring, generator, ECM programming, ECM |
| P1571 | Brake Switch Circuit Malfunction | |
| P1589 | Brake booster pressure sensor – signal malfunction | Wiring, vacuum pipes blocked/leaking, air leaks, brake booster pressure sensor, intake manifold check valve, ECM programming, ECM |
| P15BA | Brake booster pressure sensor – no vacuum | |
| P15BB | Brake booster pressure sensor -leak detected | Vacuum pipes blocked/leaking, brake booster vacuum pump, brake booster pressure sensor, brake booster, brake pedal position (BPP) switch |
| P15BC | Brake booster vacuum pump – stuck ON | Wiring, brake booster pressure sensor, vacuum pipes leaking, brake booster vacuum pump, intake manifold check valve |
P1600 – P1699 (ECM – computer output circuit) | | P1607 | Engine control module (ECM) - internal circuit failure | ECM |
| P1608 | Engine control module (ECM) - internal circuit failure B | ECM |
| P1618 | Engine control module (ECM) - internal fault | ECM |
| P1625 | Engine Control Module Unexpected Reset | |
| P1640 | Engine control module (ECM) - internal fault | Wiring, ECM |
| P1646 | Sensor Supply Voltage Circuit 'C' Malfunction | |
| P1650 | Engine Control Module Quad Driver / Output Driver | |
| P1655 | AT - signal failure | Communication wire, ECM |
| P1656 | Electronic stability programme (ESP) control module - communication malfunction | Wiring, ESP control module |
| P1658 | Electronic Throttle Control System Control Relay ON Malfunction | Wiring, ETS relay, ECM programming, ECM |
| P1659 | Electronic Throttle Control System Control Relay OFF Malfunction | Wiring, ETS relay, ECM programming, ECM |
| P1660 | AT to ECM - signal failure | Wiring, TCM, ECM |
| P1671 | AT to ECM signal - no signal | Wiring, TCM, ECM |
| P1672 | AT to ECM signal - signal failure | Wiring, TCM, ECM |
| P1676 | ABS/TCS control module - communication malfunction | Wiring, ABS/TCS control module, ECM |
| P1677 | ECM to traction control system signal - signal failure | Wiring, traction control module, ECM |
| P1678 | ABS/TCS control module - communication malfunction | Wiring, ABS/TCS control module, ECM |
| P1681 | AT to ECM - signal A - input low | Wiring, TCM, ECM |
| P1682 | AT to ECM - signal A - input high | Wiring, TCM, ECM |
| P1683 | Throttle Valve Default Position Spring Performance Problem | Wiring, throttle sticking/mechanically damaged, throttle motor |
| P1684 | Throttle Valve Return Spring Performance Problem | Wiring, throttle sticking/mechanically damaged, throttle motor |
| P1686 | AT to ECM - signal B - input low | Wiring, TCM, ECM |
| P1687 | AT to ECM - signal B - input high | Wiring, TCM, ECM |
| P1690 | Traction control system - circuit failure | Wiring, traction control module, ECM |
| P1696 | Traction control system - voltage low | Wiring, traction control module, ECM |
| P1697 | Traction control system - voltage high | Wiring, traction control module, ECM |
| P16BB | Generator system – low voltage | Wiring, generator, ECM programming, ECM |
| P16BC | Generator system – low voltage | Wiring, generator, ECM programming, ECM |
| P16BD | Starter motor relay 2 – malfunction | Wiring, starter motor relay, ECM programming, ECM |
| P16BE | Starter motor relay 1 – malfunction | Wiring, starter motor relay, ECM programming, ECM |
| P16BF | Starter motor relays 1/2- circuit malfunction | Wiring, ECM programming, ECM |
| P16C0 | Engine control module (ECM) – malfunction | ECM programming, ECM |
| P16D9 | Engine control module (ECM) – internal circuit failure | ECM programming, ECM |
| P16DA | Brake booster vacuum pump relay 1 – stuck OFF | Wiring, brake booster vacuum pump relay, ECM programming, ECM |
| P16DB | Brake booster vacuum pump relay 1/2- circuit malfunction | Wiring, brake booster vacuum pump relay, ECM programming, ECM |
| P16DC | Brake booster vacuum pump relay 2 – stuck ON | Wiring, brake booster vacuum pump relay, ECM programming, ECM |
| P16DD | Brake booster vacuum pump relay 1 – stuck ON | Wiring, brake booster vacuum pump relay, ECM programming, ECM |
P1700 – P1799 (Transmission) | | P1705 | AT - gear shift malfunction | Wiring, range position switch, ECM |
| P1706 | AT - gear shift malfunction | Wiring, range position switch, ECM |
| P1709 | AT - range position switch | Wiring, range position switch, ECM |
| P1710 | AT - 1st gear hold switch | Wiring, range position switch, ECM |
| P1717 | Transmission Range Switch Switch Circuit Open | Wiring, transmission shift link adjustment, TR switch, ECM programming, ECM |
| P1730 | Problem In Shift Control System | Transmission fluid, mechanical fault, wiring, shift solenoid A/B/0, ECM programming, ECM |
| P1731 | Problem In Shift Control System | Transmission fluid, mechanical fault, wiring, shift solenoid E, AT clutch pressure control solenoid A, ECM programming, ECM |
| P1732 | Problem In Shift Control System | Transmission fluid, mechanical fault, wiring, shift solenoid B/C, ECM programming, ECM |
| P1733 | Problem In Shift Control System | Transmission fluid, mechanical fault, wiring, shift solenoid 0, AT clutch pressure control solenoid C, ECM programming, ECM |
| P1734 | Problem In Shift Control System | Transmission fluid, mechanical fault, wiring, shift solenoid B/C, ECM programming, ECM |
| P1738 | Automatic transmission | Wiring, clutch pressure switch 2, ECM |
| P1739 | AT - 3rd clutch pressure switch | Wiring, range position switch, ECM |
| P1740 | AT - 4th clutch pressure switch | Wiring, range position switch, ECM |
| P1743 | AT – gear shift malfunction | Transmission fluid, wiring, shift solenoid E, mechanical fault, ECM programming, ECM |
| P1744 | AT – gear shift malfunction | Transmission fluid, wiring, shift solenoid E, mechanical fault, ECM programming, ECM |
| P1745 | AT – gear shift malfunction | Transmission fluid, mechanical fault |
| P1750 | AT - hydraulic system mechanical malfunction | Wiring, range position switch, ECM |
| P1751 | AT - hydraulic system mechanical malfunction | Wiring, range position switch, ECM |
| P1753 | AT - lock-up clutch not engaging/ disengaging | Wiring, lock-up control solenoid A, ECM |
| P1758 | AT - lock-up clutch not engaging | Wiring, lock-up control solenoid B, TCM |
| P1768 | AT - lock-up clutch not engaging | Wiring, linear solenoid, TCM |
| P1773 | AT - lock-up clutch not engaging | Wiring, clutch pressure control solenoid B, ECM |
| P1778 | Shift solenoid (SS) C | Wiring, shift solenoid, ECM |
| P1780 | AT – gear shift malfunction | Other AT trouble codes stored, ECM programming, ECM |
| P1786 | AT - poor gear shift | Communication wire, ECM, TCM |
| P1787 | AT - lock-up clutch malfunction | Communication wire, TCM |
| P1788 | AT - poor gear shift | Communication wire, ECM, TCM |
| P1790 | AT - engine control module (ECM) | ECM/Programming |
| P1791 | AT - lock-up clutch not engaging | Wiring, VSS, ECM |
| P1792 | AT - engine control module (ECM) | ECM/Programming |
| P1793 | Automatic transmission | Wiring, MAP sensor, TCM |
| P1794 | Automatic transmission - BARO signal | Wiring, ECM, TCM |
| P1795 | Automatic transmission | Wiring, APP sensor, TCM |
P1800 – P1899 (Transmission) | | P1835 | AT - kick-down switch always ON | Wiring, kick-down switch, ECM |
| P1850 | AT - brake band solenoid | Wiring, brake band solenoid, ECM |
| P1860 | AT - torque converter clutch (TCC) solenoid | Wiring, TCC solenoid, ECM |
| P1870 | Transmission slip | Range switch, mechanical failure, engine speed signal incorrect |
| P1879 | Problem in CVT Start Clutch Pressure Control Valve Assembly Circuit | |
