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Check Hybrid System: Complete Guide for Toyota or Lexus Hybrid Fault Codes


Do you drive a Toyota or Lexus Hybrid? Is the Check Hybrid System light on?

Check Hybrid System Warning in Toyota or Lexus Vehicles
Check Hybrid System Display in Toyota Prius

If you have Dr. Prius or similar apps that can communicate with the High Voltage ECU or Engine Computer you can use ctrl+f to easily search your fault from the list below:


P0AAC - Hybrid Battery Pack Air Temperature Sensor "A" Circuit

P0AA1-231 - Hybrid Battery Positive Contactor Circuit Stuck Closed

P0AA1-233 - Hybrid Battery Positive Contactor Circuit Stuck Closed

P0AA4-232 - Hybrid Battery Negative Contactor Circuit Stuck Closed

P0AA6-526 - Hybrid Battery Voltage System Isolation Fault

P0AA6-611 - Hybrid Battery Voltage System Isolation Fault

P0AA6-612 - Hybrid Battery Voltage System Isolation Fault

P0AA6-613 - Hybrid Battery Voltage System Isolation Fault

P0AA6-614 - Hybrid Battery Voltage System Isolation Fault

P0ABF - Hybrid Battery Pack Current Sensor Circuit

P0AC0 - Hybrid Battery Pack Current Sensor Circuit Range/Performance

P0AC1 - Hybrid Battery Pack Current Sensor Circuit Low

P0AC2 - Hybrid Battery Pack Current Sensor Circuit High

P0ADC-226 - Hybrid Battery Positive Contactor Control Circuit High

P0ADB-227 - Hybrid Battery Positive Contactor Control Circuit Low

P0AE0-228 - Hybrid Battery Negative Contactor Control Circuit High

P0ADF-229 - Hybrid Battery Negative Contactor Control Circuit Low

P0AEE-276 - Motor Inverter Temperature Sensor "A" Circuit Range / Performance

P0AEE-277 - Motor Inverter Temperature Sensor "A" Circuit Range / Performance

P0AEF-275 - Drive Motor Inverter Temperature Sensor "A" Circuit Low

P0AF0-274 - Drive Motor Inverter Temperature Sensor "A" Circuit High

P0AE0-228 - Hybrid Battery Negative Contactor Control Circuit High

P0ADF-229 - Hybrid Battery Negative Contactor Control Circuit Low

P0AE7-224 - Hybrid Battery Precharge Contactor Control Circuit High

P0AE6-225 - Hybrid Battery Precharge Contactor Control Circuit Low

P0AFA - Hybrid Battery System Voltage Low

P0AEF-275 - Drive Motor Inverter Temperature Sensor "A" Circuit Low

P0AF0-274 - Drive Motor Inverter Temperature Sensor "A" Circuit High

P0A0D-350 - High Voltage System Inter-Lock Circuit High

P0A0D-351 - High Voltage System Inter-Lock Circuit High

P0A0F-204 - Engine Failed to Start

P0A0F-205 - Engine Failed to Start

P0A0F-533 - Engine Failed to Start

P0A0F-534 - Engine Failed to Start

P0A1D-134 - Hybrid Powertrain Control Module

P0A1D-135 - Hybrid Powertrain Control Module

P0A1D-570 - Hybrid Powertrain Control Module

P0A1F - Battery Energy Control Module

P0A1F-123 - Battery Energy Control Module

P0A1F-129 - Battery Energy Control Module

P0A1F-593 - Battery Energy Control Module

P0A2B-248 - Drive Motor "A" Temperature Sensor Circuit Range / Performance

P0A2B-250 - Drive Motor "A" Temperature Sensor Circuit Range / Performance

P0A2C-247 - Drive Motor "A" Temperature Sensor Circuit Low

P0A2D-249 - Drive Motor "A" Temperature Sensor Circuit High

P0A3F-243 - Drive Motor "A" Position Sensor Circuit

P0A40-500 - Drive Motor "A" Position Sensor Circuit Range / Performance

P0A41-245 - Drive Motor "A" Position Sensor Circuit Low

P0A7A-309 - Generator Inverter Performance

P0A7A-321 - Generator Inverter Performance

P0A7A-323 - Generator Inverter Performance

P0A7A-325 - Generator Inverter Performance

P0A7A-517 - Generator Inverter Performance

P0A7A-518 - Generator Inverter Performance

P0A7F - Hybrid Battery Pack Deterioration

P0A08-264 - DC / DC Converter Status Circuit

P0A09-265 - DC / DC Converter Status Circuit Low Input

P0A10-263 - DC / DC Converter Status Circuit High Input

P0A37-258 - Generator Temperature Sensor Circuit Range / Performance

P0A37-260 - Generator Temperature Sensor Circuit Range / Performance

P0A38-257 - Generator Temperature Sensor Circuit Low

P0A39-259 - Generator Temperature Sensor Circuit High

P0A3F-243 - Drive Motor "A" Position Sensor Circuit

P0A40-500 - Drive Motor "A" Position Sensor Circuit Range / Performance

P0A41-245 - Drive Motor "A" Position Sensor Circuit Low

P0A51-174 - Drive Motor "A" Current Sensor Circuit

P0A60-288 - Drive Motor "A" Phase V Current

P0A60-289 - Drive Motor "A" Phase V Current

P0A60-290 - Drive Motor "A" Phase V Current

P0A60-292 - Drive Motor "A" Phase V Current

P0A60-294 - Drive Motor "A" Phase V Current

P0A60-501 - Drive Motor "A" Phase V Current

P0A63-296 - Drive Motor "A" Phase W Current

P0A63-297 - Drive Motor "A" Phase W Current

P0A63-298 - Drive Motor "A" Phase W Current

P0A63-300 - Drive Motor "A" Phase W Current

P0A63-302 - Drive Motor "A" Phase W Current

P0A63-502 - Drive Motor "A" Phase W Current

P0A72-326 - Generator Phase V Current

P0A72-327 - Generator Phase V Current

P0A72-328 - Generator Phase V Current

P0A72-330 - Generator Phase V Current

P0A72-333 - Generator Phase V Current

P0A72-515 - Generator Phase V Current

P0A75-334 - Generator Phase W Current

P0A75-335 - Generator Phase W Current

P0A75-336 - Generator Phase W Current

P0A75-338 - Generator Phase W Current

P0A75-341 - Generator Phase W Current

P0A75-516 - Generator Phase W Current

P0A72-326 - Generator Phase V Current

P0A72-327 - Generator Phase V Current

P0A72-328 - Generator Phase V Current

P0A72-330 - Generator Phase V Current

P0A72-333 - Generator Phase V Current

P0A72-515 - Generator Phase V Current

P0A75-334 - Generator Phase W Current

P0A75-335 - Generator Phase W Current

P0A75-336 - Generator Phase W Current

P0A75-338 - Generator Phase W Current

P0A75-341 - Generator Phase W Current

P0A75-516 - Generator Phase W Current

P0A78-266 - Drive Motor "A" Inverter Performance

P0A78-267 - Drive Motor "A" Inverter Performance

P0A80 - Replace Hybrid Battery Pack

P0A81 - Hybrid Battery Pack Cooling Fan 1

P0A82 - Hybrid Battery Pack Cooling Fan 1 Performance or Stuck OFF

P0A84 - Hybrid Battery Pack Cooling Fan 1 Control Circuit Low

P0A85 - Hybrid Battery Pack Cooling Fan 1 Control Circuit High

P0A90-239 - Drive Motor "A" Performance

P0A90-241 - Drive Motor "A" Performance

P0A90-602 - Drive Motor "A" Performance

P0A92-261 - Hybrid Generator Performance

P0A93-346 - Inverter Cooling System Performance

P0A93-347 - Inverter Cooling System Performance

P0A94-442 - DC / DC Converter Performance

P0A95 - High Voltage Fuse

P3000-123 - HV Battery Malfunction

P3000-125 - HV Battery Malfunction

P3000-603 - HV Battery Malfunction

P3004-131 - Power Cable Malfunction

P3011 - Battery Block 1 Becomes Weak

P3012 - Battery Block 2 Becomes Weak

P3013 - Battery Block 3 Becomes Weak

P3014 - Battery Block 4 Becomes Weak

P3015 - Battery Block 5 Becomes Weak

P3016 - Battery Block 6 Becomes Weak

P3017 - Battery Block 7 Becomes Weak

P3018 - Battery Block 8 Becomes Weak

P3019 - Battery Block 9 Becomes Weak

P3020 - Battery Block 10 Becomes Weak

P3021 - Battery Block 11 Becomes Weak

P3022 - Battery Block 12 Becomes Weak

P3023 - Battery Block 13 Becomes Weak

P3024 - Battery Block 14 Becomes Weak

P3108-535 - A/C Amplifier Communication Circuit Malfunction

P3108-536 - A/C Amplifier Communication Circuit Malfunction

P3108-538 - A/C Amplifier Communication Circuit Malfunction

P3110-223 - IGCT Relay Malfunction

P3110-527 - HV Main Relay Malfunction

P3190 - Poor Engine Power

P3191 - Engine does not Start

P3193 - Fuel Run Out

P3221-314 - Generator Inverter Temperature Sensor Circuit Range / Performance

P3221-315 - Generator Inverter Temperature Sensor Circuit Range / Performance

P3222-313 - Generator Inverter Temperature Sensor Circuit High / Low

P3223-312 - Generator Inverter Temperature Sensor Circuit High

P3226-562 - DC/DC Boost Converter Temperature Sensor

P3226-563 - DC/DC Boost Converter Temperature Sensor


Vehicle Reference:


Toyota Avalon Hybrid

Toyota Camry Hybrid

Toyota Corolla Hybrid

Toyota Highlander Hybrid

Toyota Prius

Toyota Prius C

Toyota Prius V

Toyota RAV4 Hybrid

Toyota Sienna Hybrid

Lexus CT200h

Lexus ES300h

Lexus GS450h

Lexus HS250h

Lexus LS600h

Lexus RX400h

Lexus RX450h


If the main fault you have is a P3000 or P0A80, that means it's time to diagnose your hybrid system to confirm a hybrid battery failure, or something else just below the surface. Either way, Evergreen Auto Solutions is here to ensure the entire vehicle is functioning correctly beyond just the hybrid battery. Contact us today!

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