EV manufacturer
Mazda EV diagnostics
Browse in-scope 2021+ battery-electric and plug-in hybrid model families, plus evidence-labelled diagnostic records.
3 model families32 verified233 reference candidates
Mazda MX-30Models
Verified Manufacturer-level verified records
These records passed the verified evidence gate. Model applicability is shown only where separately supported.
System FaultSystem FaultIn Vehicle Network MalfunctionIn Vehicle Network MalfunctionTelematics MalfunctionTelematics MalfunctionUltrasonic Sensor MalfunctionUltrasonic Sensor MalfunctionP26105 and CX-9 CX-30, CX-50, Mazda3 and MX- 30 1. Press and hold the Volume knob, then press and hold the Entertainment and Favorite buttons at the same time for 3-5 seconds and the FaU2050TCU (Activation of remote control not implemented) is stored, go to TSB 09-013/20 - DTC U2050:55 STORED AFTER REPLACING OR REPROGRAMMING TCU. • If the TCU was not replaced and MDARP143B00) is found based on the voltage down from the BPS, replace the Sub Battery following the procedures in the Workshop Manual. 1. PCM 2. BPS Unit 3. Sub Battery PHEV Refueling ProceU0420MAZDA RADAR CRUISE CONTROL (MRCC)/SMART BRAKE SUPPORT (SBS)○ Multiple DTC's (U0XXX:00 COMMUNICATION ERROR)○ • If an aftermarket device is found connected to DLC-2, take a photo andU300AELECTRIC PARKING BRAKE (EPB)○ U3004:17 - ACC RELAY CIRCUIT MALFUNCTION○ U0415:00 - MAZDA RADAR CRUISE CONTROL (MRCC)/SMART BRAKE SUPPORT (SBS)○ U0420:00 - MAZDA RADAR CRUISE CONTROB1041ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE○ B108E:04 - CENTER DISPLAY INTERNAL MALFUNCTION○ C0061:54 - DSC HU/CM○ C1001:92 - FORWARD SENSING CAMERA (FSC)○ C1001:97 - FORWAC1001FORWARD SENSING CAMERA (FSC)○ C1001:97 - FORWARD SENSING CAMERA (FSC)○ U300A:62 - ELECTRIC PARKING BRAKE (EPB)○ U3004:17 - ACC RELAY CIRCUIT MALFUNCTION○ U0415:00 - MAZDA RADAR CRUC0061DSC HU/CM○ C1001:92 - FORWARD SENSING CAMERA (FSC)○ C1001:97 - FORWARD SENSING CAMERA (FSC)○ U300A:62 - ELECTRIC PARKING BRAKE (EPB)○ U3004:17 - ACC RELAY CIRCUIT MALFUNCTION○ U041U0415MAZDA RADAR CRUISE CONTROL (MRCC)/SMART BRAKE SUPPORT (SBS)○ U0420:00 - MAZDA RADAR CRUISE CONTROL (MRCC)/SMART BRAKE SUPPORT (SBS)○ Multiple DTC's (U0XXX:00 COMMUNICATION ERROR)○C002314 (Brake light circuit malfunction) stored. This may be caused by an aftermarket brake light flasher. Page 5 of 6 05/24/2023 09:34 AM tlawrenc REPAIR PROCEDURE 1. Verify the custoB108ECENTER DISPLAY INTERNAL MALFUNCTION○ C0061:54 - DSC HU/CM○ C1001:92 - FORWARD SENSING CAMERA (FSC)○ C1001:97 - FORWARD SENSING CAMERA (FSC)○ U300A:62 - ELECTRIC PARKING BRAKE (EPB)U3004ACC RELAY CIRCUIT MALFUNCTION○ U0415:00 - MAZDA RADAR CRUISE CONTROL (MRCC)/SMART BRAKE SUPPORT (SBS)○ U0420:00 - MAZDA RADAR CRUISE CONTROL (MRCC)/SMART BRAKE SUPPORT (SBS)○ MultiB119F01 (TEL antenna No.1 malfunction) stored. This may be caused by an aftermarket dash cam. The aftermarket device may cause electrical noise disturbing the reception of GPS signalsU300049 stored, Mazda3, CX-30 built after 7/1/2021 - Update CMU to CMU_ 7000C0A-NA06_12012 or later. • DTC U3000:49 stored, MX-30 - Update CMU to CMU_7000C0A-NA02_11036 or later. • ExceU250082 are stored and i-ACTIVSENSE warning light (amber) turns on after the reprogramming, refer to SA-043/20. • If the Welcome Lamp function is accidently activated while using MDARS,U212000 or/and U2500:82 are stored and i-ACTIVSENSE warning light (amber) turns on after the reprogramming, refer to SA-043/20. • If the Welcome Lamp function is accidently activated whB1B3804 Front ultrasonic sensor (RH) signal circuit malfunction B1B38:49 Front ultrasonic sensor (RH) power supply circuit malfuncti on B1B40:04 Front corner ultrasonic sensor (LH) signB1B3604 Front corner ultrasonic sensor (RH) signal circuit malfuncti on B1B36:49 Front corner ultrasonic sensor (RH) power supply circuit m alfunction B1B38:04 Front ultrasonic sensor (B11C423 (BCM - liftgate lock switch circuit malfunction) may be stored. This may be caused during a high pressure car wash and/or condensation. Water may enter through the rear center bP126000 stored (Immobilizer system problem)• Rear View Monitor Display is Blurry• For concerns where the vehicle power supply cannot be controlled adequately, such as an engine no startB13D394 stored (Communication error with remote transmitter)• DTC P1260:00 stored (Immobilizer system problem)• Rear View Monitor Display is Blurry• For concerns where the vehicle powerP0DAA1) Switch to ‘Sport Mode’ and shift to ‘D’ range (10-2) Confirm Engine RPM is shown correctly in IC. (10-3) Shift to ‘P’ range thenU214200 (Communication error with microphone) will be cleared at this step. Page 5 of 6 12/19/2023 02:16 PM tlawrenc w. Check for DTCs with theP0DAB001/25. U0401:68 Error signal received from ECM (e-SKYACTIV PHEV)/PCM (except e-SKYACTIV PHEV), elU040168 Error signal received from ECM (e-SKYACTIV PHEV)/PCM (except e-SKYACTIV PHEV), electronically controlled brake unit/DSC HU/CM, instrumenP0AA600 (High voltage insulation malfunction: Decrease in vehicle insulation resistance) stored in memory. This may be caused by an internal melP0C1700 [SGC2/DMCM (e-SKYACTIV PHEV)] in the troubleshooting manual. NOTE: When attempting to complete the Learn of Electric Motor Speed SensorB14F092 set as a past record for low visibility of the Forward Sensing Camera (FSC). It does not mean there is an actual FSC defect. In some cas
Reference Brand reference codes
Openly licensed reference definitions are discovery data, not proof of applicability to a particular Mazda EV.
P1000OBD II Monitor Testing Not Completed
P1001Unable to Achieve Self-Test Function Or SCP Error
P1100Mass Air Flow Sensor Circuit Intermittent
P1101Mass Air Flow Sensor Circuit Out Of Self-Test Range
P1102Mass Air Flow Sensor Signal Inconsistent With Throttle Position Sensor
P1103Mass Air Flow Sensor Signal Inconsistent With Engine Speed
P1110Intake Air Temperature Sensor Signal Dynamic Chamber Circuit
P1112Intake Air Temperature Sensor Circuit Intermittent
P1113Intake Air Temperature Sensor Signal Dynamic Chamber Circuit
P1114Intake Air Temperature Sensor Circuit Low Input
P1116ECT Sensor Circuit Out Of Self Test Range
P1117ECT Sensor Signal Intermittent
P1120Throttle Position Sensor Out Of Range Low
P1121Throttle Position Sensor Signal Not Consistent With Mass Air Flow Signal
P1122Throttle Position Stuck Closed
P1123Throttle Position Stuck Open
P1124Throttle Position Sensor Signal Out Of Self Test Range
P1125Throttle Position Sensor Signal Intermittent
P1126Throttle Position Narrow Range Sensor Circuit
P1127HO2S Bank 1 Sensor 2 Heater Not On During Key On Engine Running Self Test
P1128HO2S Bank 1 Sensor 1 Signals Swapped In Key On Engine Running Self Test
P1129Downstream H02S Sensors Swapped
P1130HO2S Bank 1 Sensor 1 Not Switching Fuel Control Limit Reached
P1131HO2S Bank 1 Sensor 1 Signal Below 0.45v AF Ratio Too Lean
P1132HO2S Bank 1 Sensor 1 Signal Above 0.45v AF Ratio Too Rich
P1133Bank 1 Fuel Control Shifted Lean
P1134Bank 1 Fuel Control Shifted Rich
P1135HO2S Bank 1 Sensor 1 Heater Circuit Low Input
P1136HO2S Bank 1 Sensor 1 Heater Circuit High Input
P1137HO2S Bank 1 Sensor 2 Not Switching Fuel Control Limit Reached
P1138HO2S Bank 1 Sensor 2 Signal Above 0.45v AF Ratio Too Rich
P1141HO2S Bank 1 Sensor 2 Heater Circuit Low Input
P1142HO2S Bank 1 Sensor 2 Heater Circuit High Input
P1143HO2S Bank 1 Sensor 3 Signal Below 0.45v AF Ratio Too Lean
P1144HO2S Bank 1 Sensor 3 Signal Above 0.45v AF Ratio Too Rich
P1150HO2S Bank 2 Sensor 1 Not Switching Fuel Control Limit Reached
P1151HO2S Bank 2 Sensor 1 Signal Below 0.45v AF Ratio Too Lean
P1152HO2S Bank 2 Sensor 1 Signal Above 0.45v AF Ratio Too Rich
P1153Bank 2 Fuel Control Shifted Lean FAOSC
P1154Bank 2 Fuel Control Shifted Rich FAOSC
P1169HO2S Bank 1 Sensor 1 Circuit Fixed Bank 1 Sensor 1
P1170HO2S Bank 1 Sensor 1 Circuit Fixed Bank 1 Sensor 1
P1173HO2S Bank 2 Sensor 1 Circuit Fixed Bank 2 Sensor 1
P1182Fuel Shut Off Solenoid Circuit
P1189Pump Speed Signal
P1190Calibration Resistor Out Of Range
P1191TP Controlled Circuit
P1194ECM PCM A D Converter
P1195EGR Boost Sensor Circuit
P1196Ignition Switch Start Circuit
P1197Mileage Switch Circuit
P1213Start Injector Circuit
P1221Traction Control System
P1222Traction Control Output Circuit
P1226Control Sleeve Sensor Circuit
P1235Fuel Pump Control Circuit
P1236Fuel Pump Control Out Range
P1248Turbo Boost Pressure Not Detected
P1250Pressure Regulator Control Solenoid Circuit
P1251Air Mixture Solenoid Circuit
P1252Pressure Regulator Control Solenoid 2 Circuit Malfunction
P1260Anti-Theft System Signal Detected Engine Disabled
P1270Engine RPM or Vehicle Speed Limit Reached
P1279Control Sleeve Sensor Circuit Range Performance
P1298Injector Driver Module Failure
P1309Misfire Detection Monitor
P1312Injection Pump Timing Actuator Circuit
P1318Injection Timing Piston Position Sensor Circuit
P1319Injection Timing Piston Position Sensor Circuit Range Performance
P1345No CMP or SGC Signal
P1351Ignition Diagnostic Monitor Signal Lost To PCM Or Out Of Range
P1352Ignition Coil A Primary Circuit
P1353Ignition Coil B Primary Circuit
P1354Ignition Coil C Primary Circuit
P1358Ignition Diagnostic Monitor Signal Out Of Self Test Range
P1359SPOUT Signal Lost To Powertrain Control Module Or Out Of Range
P1360Ignition Coil A Secondary Circuit
P1361Ignition Coil B Secondary Circuit
P1362Ignition Coil C Secondary Circuit
P1364Ignition Coil Primary Circuit
P1365Ignition Coil Secondary Circuit
P1382Camshaft Position Timing Solenoid 1 Circuit
P1387Camshaft Position Timing Solenoid 2 Circuit
P1390Octane Adjust Shorting Bar Out Or Circuit Open
P1400DPFE Sensor Circuit Low Input
P1401DPFE Sensor Circuit High Input
P1402EGR Valve Position Sensor Circuit
P1405DPFE Sensor Upstream Hose Off Or Plugged
P1406DPFE Sensor Downstream Hose Off Or Plugged
P1407No EGR Flow Detected
P1408EGR System Flow Out Of Key On Engine Running Self Test Range
P1409EGR Vacuum Regulator Solenoid Circuit
P1410EGR Boost Solenoid Valve Stuck
P1412Exhaust Gas Recirculation Valve Frozen
P1415Air Pump Circuit
P1416Port Air Circuit
P1417Port Air Relief Circuit
P1418Split Air 1 Circuit
P1419Split Air 2 Circuit
P1439Floor Temp Switch Circuit