Navigating car troubles can be stressful, especially when the check engine light illuminates on your Mazda’s dashboard. Modern vehicles like Mazdas utilize an On-Board Diagnostic system, specifically OBD2, to monitor various systems and pinpoint potential issues. When a problem arises, your Mazda stores a diagnostic trouble code (DTC), often referred to as an OBD2 code. Understanding these Mazda Obd2 Codes is the first step towards diagnosing and resolving car problems efficiently.
This comprehensive guide provides a detailed list of Mazda-specific OBD2 trouble codes. Whether you’re a car enthusiast, a DIY mechanic, or simply a Mazda owner wanting to understand your vehicle better, this resource will help you decipher those cryptic codes and take informed action. Remember, while this guide offers valuable information, it is intended for informational purposes only and should not replace professional diagnostic services and repair advice from certified mechanics.
Understanding OBD2 Systems and Mazda Codes
The OBD2 system is standardized across most modern vehicles, but manufacturers like Mazda also incorporate specific codes to address unique aspects of their vehicles. When your check engine light comes on, it signifies that the OBD2 system has detected a malfunction. Using an OBD2 scanner, you can retrieve these Mazda OBD2 codes, which are alphanumeric codes providing clues about the nature of the problem.
While generic OBD2 codes (starting with P0***) are common across different makes, Mazda-specific codes (often starting with P1***) delve into systems and components unique to Mazda vehicles. This list focuses on these Mazda-specific codes to offer a more targeted resource for Mazda owners and technicians.
Mazda Specific OBD2 Trouble Codes
Below is a detailed list of Mazda specific OBD2 codes. Please note that this information is for informational purposes only and should not be taken as repair advice. Always consult with a qualified mechanic for diagnosis and repairs.
- P1000 OBD II Monitor Testing Not Completed
- P1001 Unable to Achieve Self-Test Function or SCP Error
- P1100 Mass Airflow Sensor Circuit Intermittent
- P1101 Mass Airflow Sensor Circuit out of Self-Test Range
- P1102 Mass Airflow Sensor Signal Inconsistent with Throttle Position Sensor
- P1103 Mass Airflow Sensor Signal Inconsistent with Engine Speed
- P1110 Intake Air Temperature Sensor Signal (Dynamic Chamber) Circuit
- P1112 Intake Air Temperature Sensor Circuit Intermittent
- P1113 Intake Air Temperature Sensor Signal (Dynamic Chamber) Circuit
- P1114 Intake Air Temperature Sensor Circuit Low Input
- P1116 ECT Sensor Circuit Out of Self Test Range
- P1117 ECT Sensor Signal Intermittent
- P1120 Throttle Position Sensor out of Range Low
- P1121 Throttle Position Sensor Signal Not Consistent with Mass Airflow Signal
- P1122 Throttle Position Stuck Closed
- P1123 Throttle Position Stuck Open
- P1124 Throttle Position Sensor Signal Out of Self Test Range
- P1125 Throttle Position Sensor Signal Intermittent
- P1127 HO2S Bank 1 Sensor 2 Heater Not On During Key On Engine Running Self Test
- P1128 HO2S Bank 1 Sensor 1 Signals Swapped in Key On Engine Running Self Test
- P1130 HO2S Bank 1 Sensor 1 Not Switching (Fuel Control Limit Reached)
- P1131 HO2S Bank 1 Sensor 1 Signal Below 0.45v (A/F Ratio Too Lean)
- P1132 HO2S Bank 1 Sensor 1 Signal Above 0.45v (A/F Ratio Too Rich)
- P1135 HO2S Bank 1 Sensor 1 Heater Circuit Low Input
- P1136 HO2S Bank 1 Sensor 1 Heater Circuit High Input
- P1137 HO2S Bank 1 Sensor 2 Not Switching (Fuel Control Limit Reached)
- P1138 HO2S Bank 1 Sensor 2 Signal Above 0.45v (A/F Ratio Too Rich)
- P1141 HO2S Bank 1 Sensor 2 Heater Circuit Low Input
- P1142 HO2S Bank 1 Sensor 2 Heater Circuit High Input
- P1143 HO2S Bank 1 Sensor 3 Signal Below 0.45v (A/F Ratio Too Lean)
- P1144 HO2S Bank 1 Sensor 3 Signal Above 0.45v (A/F Ratio Too Rich)
- P1150 HO2S Bank 2 Sensor 1 Not Switching (Fuel Control Limit Reached)
- P1151 HO2S Bank 2 Sensor 1 Signal Below 0.45v (A/F Ratio Too Lean)
- P1152 HO2S Bank 2 Sensor 1 Signal Above 0.45v (A/F Ratio Too Rich)
- P1169 HO2S Bank 1 Sensor 1 Circuit Fixed (Bank 1 Sensor 1)
- P1170 HO2S Bank 1 Sensor 1 Circuit Fixed (Bank 1 Sensor 1)
- P1173 HO2S Bank 2 Sensor 1 Circuit Fixed (Bank 2 Sensor 1)
- P1195 EGR Boost Sensor Circuit
- P1196 Ignition Switch Start Circuit
- P1235 Fuel Pump Control Circuit
- P1236 Fuel Pump Control Out Range
- P1250 Pressure Regulator Control Solenoid Circuit
- P1252 Pressure Regulator Control Solenoid ‘2’ Circuit
- P1260 Anti-Theft System Signal Detected – Engine Disabled
- P1270 Engine RPM or Vehicle Speed Limit Reached
- P1309 Misfire Detection Monitor
- P1345 No CMP or SGC Signal
- P1351 Ignition Diagnostic Monitor Signal Lost to PCM or Out Of Range
- P1352 Ignition Coil ‘A’ Primary Circuit
- P1353 Ignition Coil ‘B’ Primary Circuit
- P1354 Ignition Coil ‘C’ Primary Circuit
- P1358 Ignition Diagnostic Monitor Signal Out Of Self Test Range
- P1359 SPOUT Signal Lost To Powertrain Control Module Or Out Of Range
- P1360 Ignition Coil ‘A’ Secondary Circuit
- P1361 Ignition Coil ‘B’ Secondary Circuit
- P1362 Ignition Coil ‘C’ Secondary Circuit
- P1364 Ignition Coil Primary Circuit
- P1365 Ignition Coil Secondary Circuit
- P1390 Octane Adjust Shorting Bar Out or Circuit Open
- P1400 DPFE Sensor Circuit Low Input
- P1401 DPFE Sensor Circuit High Input
- P1402 EGR Valve Position Sensor Circuit
- P1405 DPFE Sensor Upstream Hose Off Or Plugged
- P1406 DPFE Sensor Downstream Hose Off or Plugged
- P1407 No EGR Flow Detected
- P1408 EGR System Flow Out of Key On Engine Running Self Test Range
- P1409 EGR Vacuum Regulator Solenoid Circuit
- P1410 EGR Boost Solenoid Valve Stuck
- P1443 EVAP System Purge Flow Fault
- P1444 EVAP Purge Flow Sensor Circuit Low Voltage
- P1446 EVAP Purge Flow Sensor Circuit High Voltage
- P1449 CDCV or Throttle PositionCV Circuit
- P1450 EVAP Control System Fault
- P1451 Canister Vent Solenoid Circuit
- P1455 Fuel Tank Level Sensor Circuit
- P1460 Wide Open Throttle A/C Cut-Off Relay Circuit
- P1464 Air Conditioning Control Signal Circuit
- P1474 Fan Control (Primary Winding) Circuit
- P1479 Fan Control (Condenser Primary) Circuit
- P1485 EGR Vacuum Solenoid Circuit
- P1486 EGR Vent Solenoid Circuit
- P1487 EGR-CHK (Boost) Solenoid Circuit
- P1496 EGR Valve Motor Coil ‘1’ Open or Shorted
- P1497 EGR Valve Motor Coil ‘2’ Open or Shorted
- P1498 EGR Valve Motor Coil ‘3 Open or Shorted
- P1499 EGR Valve Motor Coil ‘4’ Open or Shorted
- P1500 Vehicle Speed Sensor Intermittent Signal
- P1501 Vehicle Speed Sensor Out of Self Test Range
- P1502 Vehicle Speed Sensor Circuit Error
- P1504 Idle Air Control Solenoid Circuit Intermittent
- P1505 Idle Air Control System at Adaptive Clip
- P1506 Idle Air Control System Overspeed Detected
- P1507 Idle Air Control System Underspeed Detected
- P1508 Bypass Air Solenoid ‘1’ Circuit
- P1509 Bypass Air Solenoid ‘2 Circuit
- P1512 VTCS Fault
- P1521 VRIS Solenoid ‘1’ Circuit
- P1522 VRIS Solenoid ‘2 Circuit
- P1523 VICS Solenoid Circuit
- P1524 Charge Air Cooler Bypass Solenoid Circuit
- P1525 ABV Vacuum Solenoid Circuit
- P1526 ABV Vent Solenoid Circuit
- P1529 L/C Atmospheric Balance Air Control Valve Circuit
- P1540 ABV System Fault
- P1562 Powertrain Control Module +BB Voltage Low
- P1569 VTCS Circuit Low Input
- P1570 VTCS Circuit High Input
- P1601 Powertrain Control Module Communication Line to TCM Error
- P1602 Powertrain Control Module Communication Line to TCM Error
- P1602 Immobilizer System Communication Error with Powertrain Control Module
- P1603 Immobilizer System Fault
- P1604 Immobilizer System Fault
- P1605 Powertrain Control Module Keep Alive Memory Test Error
- P1608 Powertrain Control Module (ECM CPU) DTC Test Fault
- P1609 Powertrain Control Module (ECM CPU) Knock Sensor Circuit
- P1621 lmmobilizer System Fault
- P1622 lmmobilizer System Fault
- P1623 lmmobilizer System Fault
- P1624 lmmobilizer System Fault
- P1627 Powertrain Control Module (ECM/TCS) Line Communication Error
- P1628 Powertrain Control Module (ECM/TCS) Any Line Communication Error
- P1631 Generator Output Voltage Signal (No Output)
- P1632 Battery Voltage Monitor Circuit
- P1633 Battery Overcharge Fault
- P1634 Generator Terminal ‘B’ Circuit Open
- P1650 Power Steering Pressure Switch Out of Range Fault
- P1651 Power Steering Pressure Switch Circuit
- P1652 Power Steering Pressure Switch Circuit
- P1701 Transmission Range Sensor Reverse Engagement Error
- P1702 Transmission Range Sensor Circuit Intermittent
- P1703 Brake On/Off Switch Out of Self Test Range
- P1705 Transmission Range Sensor out of Self Test Range
- P1709 Clutch Pedal Position Switch Circuit
- P1711 Transmission Fluid Temperature Sensor Circuit out of Self Test Range
- P1713 Transmission Fluid Temperature Sensor Circuit
- P1714 Shift Solenoid ‘1’ Mechanical Fault
- P1715 Shift Solenoid ‘2’ Mechanical Fault
- P1716 Shift Solenoid ‘3’ Mechanical Fault
- P1717 Shift Solenoid ‘4’ Mechanical Fault
- P1718 Transmission Fluid Temperature Sensor Circuit
- P1720 Vehicle Speed Sensor ‘2’ Signal Error
- P1729 Transmission 4×4 Low Switch Error
- P1740 Torque Converter Clutch Solenoid Mechanical Fault
- P1741 Torque Converter Clutch Control Electrical Fault
- P1742 Torque Converter Clutch Solenoid Shorted
- P1743 Torque Converter Clutch Failed On – TCIL is On
- P1744 Torque Converter Clutch Solenoid Mechanical Fault
- P1746 Electronic Pressure Control Solenoid Circuit Open
- P1747 Electronic Pressure Control Solenoid Circuit
- P1749 Electronic Pressure Control Solenoid Circuit Low
- P1751 Transmission Shift Solenoid ‘A’ Mechanical Fault
- P1752 Transmission Shift Solenoid ‘A’ Circuit Shorted
- P1754 Transmission Coast Clutch Solenoid Electrical Fault
- P1756 Transmission Shift Solenoid ‘B’ Mechanical Fault
- P1757 Transmission Shift Solenoid ‘B’ Circuit Shorted
- P1761 Transmission Shift Solenoid ‘3’ Mechanical Fault
- P1762 Transmission SS3/SS4/OD Band Fault
- P1765 Transmission 3-2 Timing Solenoid Valve
- P1767 Torque Converter Clutch Solenoid Circuit
- P1771 Throttle Position Sensor Circuit Open to Transmission Control Module
- P1772 Throttle Position Sensor Circuit Shorted to Transmission Control Module
- P1780 Transmission Control Switch Circuit
- P1780 Overdrive Off Switch not Cycled during the Self Test
- P1781 Transmission 4×4 Low Switch out of Range Fault
- P1783 Transmission Fluid Temperature High Input
- P1788 3-2T/CCS Circuit Open
- P1789 3-2T/CCS Circuit Shorted
- P1794 Powertrain Control Module Battery Direct Power Circuit
- P1797 P/N Switch Open or Short Circuit
- P1900 Turbine Speed Sensor Circuit Intermittent
- P1901 Torque Converter Clutch Circuit Intermittent
Disclaimer: This information is for informational purposes only. It is not intended as repair advice and we are not responsible for any actions you take on any vehicle. Always consult a certified mechanic for diagnosis and repair. All information on this site is copyright protected.
