www.diycardoctor.com Mazda Factory DTC Code Definitions P1000 - OBD-ll monitor testing not complete P1001 - Data link connector (DLC) — self-test terminated P1100 - Mass air flow (MAF) sensor — intermittent sensing P1101 - Mass air flow (MAF) sensor — out of self test range P1102 - Mass air flow (MAF) sensor — incomparable with TP sensor signal — signal low P1103 - Mass air flow (MAF) sensor — incomparable with RPM signal — signal high P1110 - Intake air temperature (IAT) sensor (engine) — short open circuit P1112 - Intake air temperature (IAT) sensor — intermittent sensing P1113 - Intake air temperature (IAT) sensor (supercharger) — short/open circuit P1114 - Intake air temperature (IAT) sensor — voltage low P1115 - Intake air temperature (IAT) sensor — voltage high P1116 - Engine coolant temperature (ECT) sensor — out of self test range P1117 - Engine coolant temperature (ECT) sensor — intermittent sensing P1120 - Throttle position (TP) sensor — out of range “low” P1121 - Throttle position (TP) sensor — incomparable with MAF sensor signal P1122 - Throttle position (TP) sensor — stuck closed P1123 - Throttle position (TP) sensor — stuck open P1124 - Throttle position (TP) sensor — out of self test range P1125 - Throttle position (TP) sensor — intermittent circuit fault P1126 - Throttle position (TP) sensor — circuit fault P1127 - Heated oxygen sensor (HO2S) — RH or rear bank — front (6 cyl) — heater circuit malfunction P1128 - Heated oxygen sensor (HO2S) — front — bank 1/bank 2 sensors transposed P1129 - Heated oxygen sensor (HO2S) — rear — bank 1/bank 2 sensors transposed P1130 - Heated oxygen sensor (HO2S) — front (4 cyl) — adaptive limit achieved P1131 - Heated oxygen sensor (HO2S) — front (4 cyl) — lean mixture indicated P1132 - Heated oxygen sensor (HO2S) — front (4 cyl) — rich mixture indicated P1133 - Fuel trim (FT) lean mixture — bank 1 P1134 - Fuel trim (FT) rich mixture — bank 1 P1135 - Heated oxygen sensor (HO2S) 1/ bank 1/heater control — circuit low P1136 - Heated oxygen sensor (H02S) 1/ bank 1/heater control — circuit high P1137 - Heated oxygen sensor (HO2S) rear — adaptive limit achieved P1138 - Heated oxygen sensor (HO2S) rear — adaptive limit achieved P1141 - Heated oxygen sensor (HO2S) 2/ bank 1/heater control — circuit low P1142 - Heated oxygen sensor (HO2S) 2/ bank 1/heater control — circuit high P1143 - Heated oxygen sensor (HO2S) 2/ bank 1 — lean mixture indicated P1144 - Heated oxygen sensor (HO2S) 2/ bank 1 — rich mixture indicated P1150 - Heated oxygen sensor (HO2S) — LH or front bank — front (6 cyl) — adaptive limit achieved P1151 - Heated oxygen sensor (HO2S) — LH or front bank — front (6 cyl) — lean mixture indicated P1152 - Heated oxygen sensor (HO2S) — LH or front bank — front (6 cyl) — rich mixture indicated P1153 - Fuel trim (FT) lean mixture — bank 2 P1154 - Fuel trim (FT) rich mixture — bank 2 P1157 - Heated oxygen sensor (HO2S) 2/ bank 2 — lean mixture indicated P1158 - Heated oxygen sensor (HO2S) 2/ bank 2 — rich mixture indicated P1169 - Heated oxygen sensor (HO2S) — rear (6 cyl) — voltage high P1170 - Heated oxygen sensor (HO2S) — front (4 cyl) — voltage high P1173 - Heated oxygen sensor (HO2S) RH or rear bank — front (6 cyl) — voltage high P1195 - Exhaust gas Recirculation (EGR) system sensor — malfunction P1196 - Starter signal — circuit malfunction P1244 - Generator/regulator system — load input out of range P1245 - Generator/regulator system — load input out of range P1246 - Generator/regulator system — load input out of range P1250 - Fuel pressure (FP) control solenoid valve 1 — malfunction P1251 - Idle speed control (ISC) system — rpm lower than expected P1252 - Fuel pressure (FP) control solenoid valve 2 — malfunction P1260 - Theft detected — engine immobilized P1270 - Maximum engine RPM or vehicle speed obtained P1285 - Cylinder head temperature (CHT) sensor — overt eating detected P1288 - Cylinder head temperature (CHT) sensor — out of self test range P1289 - Cylinder head temperature (CHI) sensor — circuit malfunction P1290 - Cylinder head temperature (CHI) sensor — circuit malfunction P1299 - Cylinder head temperature (CHT) sensor — fail safe cooling activated P1309 - Misfire detection monitor — not enabled P1336 - Crankshaft position (0(P) sensor/camshaft position (CMP) sensor — circuit range/performance P1345 - Camshaft position (CMP) sensor — signal malfunction P1351 - Engine control module (ECM) — loss of ignition diagnostic monitor P1352 - Ignition coil A — primary circuit malfunction P1353 - Ignition coil B — primary circuit malfunction P1354 - Ignition coil C — primary circuit malfunction P1358 - Engine control module (ECM) — loss of ignition diagnostic monitor P1359 - Engine control module (ECM) — loss of ignition output signal P1360 - Ignition coil A — secondary circuit malfunction P1361 - Ignition coil B — secondary circuit malfunction P1362 - Ignition coil C — secondary circuit malfunction P1364 - Ignition coil — primary circuit malfunction P1365 - Ignition coil — secondary circuit malfunction P1382 - Camshaft position (CMP) sensor — malfunction P1387 - Camshaft position (CMP) sensor — malfunction P1390 - Octane adjust — out of self test range P1400 - Differential pressure feedback sensor — low voltage detected P1401 - Differential pressure feedback sensor — high voltage detected P1402 - Exhaust gas Recirculation (EGR) valve position sensor — voltage low/high P1403 - Differential pressure feedback sensor — hoses reversed P1405 - Differential pressure feedback sensor — upstream hose off or plugged P1406 - Differential pressure feedback sensor — downstream hose off or plugged P1407 - Exhaust gas Recirculation (EGR) system — no flow detected P1408 - Exhaust gas Recirculation (EGR) system — flow out of self test range P1409 - Electronic vacuum regulator control — circuit malfunction P1410 - Intake air flap control system (Mazda 6) — circuit malfunction P1412 - Exhaust gas Recirculation (ECR) solenoid — malfunction P1432 - Engine coolant thermostat — circuit malfunction P1443 - Evaporative emission (EVAP) canister purge control system P1444 - Purge flow sensor — low input P1445 - Purge flow sensor — high input P1446 - Evaporative emission (EVAP) system P1449 - Evaporative emission (EVAP) canister purge system — tank pressure problem P1450 - Evaporative emission (EVAP) canister purge system — leak P1451 - Evaporative emission (EVAP) canister vent valve — circuit malfunction P1455 - Fuel tank level sensor — short/open circuit P1456 - Evaporative emission (EVAP) system P1457 - Evaporative emission (EVAP) system P1460 - Wide open throttle (WOT) air conditioning cutoff — circuit malfunction P1461 - NC refrigerant pressure sensor — high voltage P1462 - NC refrigerant pressure sensor — low voltage P1463 - NC refrigerant pressure sensor — insufficient pressure change P1464 - NC control signal — voltage high during self-test P1465 - NC control signal — malfunction P1469 - Frequent NC compressor clutch cycling P1473 - Cooling fan — circuit malfunction P1474 - NC control signal — voltage high during self-test P1475 - Cooling fan — circuit malfunction P1476 - Cooling fan — circuit malfunction P1477 - Cooling fan ‘medium” (Tribute) — circuit malfunction P1479 - NC condenser blower motor relay — circuit malfunction P1480 - Cooling fan — circuit malfunction P1481 - Cooling fan — circuit malfunction P1485 - Exhaust gas Recirculation (EGR) valve — malfunction P1486 - Exhaust gas Recirculation (ECR) valve — malfunction P1487 - Exhaust gas Recirculation (EGR) valve — malfunction P1496 - Exhaust gas Recirculation (EGR) valve coil I — short/open circuit P1497 - Exhaust gas Recirculation (ECR) valve coil 2 — short/open circuit P1498 - Exhaust gas Recirculation (EGR) valve coil 3 — short/open circuit P1499 - Exhaust gas Recirculation (EOR) valve coil 4 — short/open circuit P1500 - Vehicle speed sensor WSS) — intermittent fault P1501 - Vehicle speed sensor (VSS) — out of self test range P1502 - Vehicle speed sensor (VSS) — signal malfunction P1504 - Idle air control (IAC) system — circuit malfunction P1505 - Idle air control (IAC) system P1506 - Idle air control (IAC) system — over speed error P1507 - Idle air control (IAC) system — under speed error P1508 - Idle air control (IAC) valve 1 — short/open circuit P1509 - Idle air control (IAC) valve 2 — short/open circuit P1510 - Idle air control (IAC) system — malfunction P1511 - Idle air control (IAC) system — malfunction P1512 - Intake manifold air control — stuck close P1516 - Neutral position (NP) switch — circuit malfunction P1518 - Intake manifold air control — stuck open P1519 - Intake manifold air control — stuck closed P1520 - Intake manifold air control — circuit malfunction P1521 - Intake manifold air control solenoid 1 — short/open circuit P1522 - Intake manifold air control solenoid 2 — short/open circuit P1523 - Intake manifold air control solenoid — circuit malfunction P1524 - Charge air cooler bypass solenoid valve — malfunction P1525 - Supercharger air control solenoid (vacuum) — short/open circuit P1526 - Supercharger air control solenoid (vent) — short/open circuit P1527 - Bypass air solenoid valve — short/open circuit P1528 - Idle air control (IAC) system — malfunction P1529 - L/C atmospheric balance air control solenoid valve — malfunction P1537 - Intake manifold air control solenoid/ bank 1 — solenoid stuck open P1538 - Intake manifold air control solenoid/ bank 2 — solenoid stuck open P1540 - Supercharger air control solenoid — short/open circuit P1550 - Power steering pressure (PSP) switch — malfunction P1562 - Engine control module (ECM) — battery voltage low P1565 - Cruise control system P1566 - Cruise control system (Tribute) P1567 - Cruise control system P1568 - Cruise control system P1569 - Intake manifold air control — circuit low P1570 - Intake manifold air control — circuit high P1572 - Brake pedal position (BPP) switch — circuit malfunction P1600 - Engine control module (ECM) — KAM error P1601 - ECM to AT communication — signal error P1602 - Immobilizer control module — communication error P1603 - Engine control module (ECM) — incorrect immobilizer code P1604 - Engine control module (ECM) — incorrect immobilizer code P1605 - Engine control module (ECM) — keep alive test error P1608 - Engine control module (ECM) — knock function malfunction P1609 - Engine control module (ECM) — supply voltage P1621 - Engine control module (ECM) — incorrect immobilizer code after cranking P1622 - Engine control module (ECM) — incorrect immobilizer key code P1623 - Engine control module (ECM) — Immobilize read/write error/ EEPROM damaged P1624 - Engine control module (ECM) — immobilize communication error P1627 - ECM to ABS/TCS communication — signal error P1628 - ECM to ABS/TCS communication — signal error P1630 - Generator voltage — circuit malfunction P1631 - Generator voltage — no charge P1632 - Battery voltage monitor — circuit malfunction P1633 - Battery voltage — overcharging P1634 - Generator terminal B — open circuit P1635 - Engine control module (ECM) — processor fault P1639 - Engine control module (ECM) — keep alive test error P1641 - Fuel pump — circuit malfunction P1645 - Fuel pump — circuit malfunction P1650 - Power steering pressure (PSP) switch — out of self test range P1651 - Power steering pressure (PSP) switch — input malfunction P1652 - Power steering pressure (PSP) switch — circuit malfunction P1700 - Transmission system — malfunction P1701 - Transmission solenoid malfunction — reverse gear engagement error P1702 - Transmission range (TR) sensor — circuit malfunction P1703 - Brake pedal position (BPP) switch — torque converter — out of self test range P1704 - Transmission range (TR) sensor — malfunction P1705 - Transmission range (TR) sensor — out of self test range P1708 - Clutch pedal position (CPP) switch — malfunction P1709 - Park/Neutral position switch (except B series Pickup) — out of self test range P1711 - Transmission fluid temperature sensor — out of self test range P1713 - Transmission fluid temperature sensor — performance P1714 - AT — shift solenoid 1 — mechanical failure P1715 - AT — shift solenoid 2 — mechanical failure P1716 - AT — shift solenoid 3 — mechanical failure P1717 - AT — shift solenoid 4 — mechanical failure P1718 - Transmission fluid temperature sensor — performance P1719 - Overdrive system — loss of signal P1720 - Vehicle speed sensor (VSS) — no signal P1721 - Shift solenoid (55)1 — malfunction P1722 - Shift solenoid (SS) 2 — malfunction P1723 - Shift solenoid (55) 3 — malfunction P1724 - Shift solenoid (SS) 4 — malfunction P1729 - 4x4 low range switch — switch error P1735 - Gear selection/ 1-2 — shift malfunction P1736 - Gear selection/ 2-3 — shift malfunction P1737 - Torque converter clutch (TCC) solenoid valve — malfunction P1738 - Shift time error P1740 - Torque converter clutch (TCC) control — malfunction P1741 - Torque converter clutch (TCC) control — malfunction P1742 - Torque converter clutch (TCC) solenoid valve — malfunction P1743 - Torque converter clutch (TCC) solenoid valve — malfunction P1744 - Torque converter clutch (TCC) system — malfunction P1745 - AT — electronic pressure control solenoid — circuit malfunction P1746 - AT — electronic pressure control solenoid — low input P1747 - AT — electronic pressure control solenoid — high input P1748 - AT — electronic pressure control solenoid — malfunction P1749 - AT — electronic pressure control solenoid system P1751 - AT — shift solenoid I — open circuit P1752 - AT — shift solenoid 1 — short circuit P1754 - AT — freewheeling clutch solenoid — circuit malfunction P1756 - AT — shift solenoid 2 — open circuit P1757 - AT — shift solenoid 2 — short circuit P1760 - AT — electronic pressure control solenoid — short to ground P1761 - AT — shift solenoid 3 — performance P1762 - Transmission — band failure P1765 - AT — gear 3-2 timing solenoid — malfunction P1767 - AT — torque converter clutch (TCC) solenoid — circuit malfunction P1770 - AT — overrun clutch solenoid valve — malfunction P1771 - AT — throttle position (TP) sensor — open circuit P1772 - AT — throttle position (TP) sensor — short circuit P1775 - AT — torque reduction signal 1 — signal problem P1776 - AT — torque reduction signal 2 — signal problem P1777 - AT — torque reduction signal (water temperature signal) — malfunction P1780 - Transmission control switch — out of self test range P1781 - 4x4 low range switch — out of self test range P1783 - Transmission — over temperature condition P1788 - AT — 3-2 timing/coasting clutch solenoid — open circuit during self test P1789 - AT — 3-2 timing/coasting clutch solenoid — short circuit during self test P1790 - Throttle position (TI’) sensor — malfunction P1792 - Barometric pressure (BARO) sensor — circuit malfunction P1793 - Mass air flow (MAF) sensor/intake air temperature (IAT) sensor — circuit malfunction P1794 - Engine control module (ECM) — battery voltage low P1795 - Closed throttle position (CTP) switch — malfunction P1797 - Park/neutral position (PNP) switch/clutch pedal position (CPP) switch P1798 - Engine coolant temperature (ECT) sensor — circuit intermittent P1799 - Torque converter clutch (TCC) solenoid valve — malfunction P1900 - Turbine shaft speed (TSS) sensor — intermittent P1901 - Turbine shaft speed (TSS) sensor — intermittent U1020 - CAN data bus — A/C clutch signal malfunction U1039 - CAN data bus — VSS signal malfunction U1041 - CAN data bus — VSS signal malfunction U1051 - CAN data bus — brake signal malfunction U1131 - CAN data bus — fuel system signal malfunction U1147 - CAN data bus — vehicle security signal malfunction U1262 - CAN data bus — circuit malfunction U1451 - CAN data bus — alarm system control module signal malfunction U2243 - CAN data bus — external environment signal malfunction