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DTC Repair Priority And Inspection Parts

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DTC priority and inspection parts 

DTC PRIORITY AND INSPECTION PARTS DESCRIPTION

DTC No. Diagnostic item Priority Inspection pattern
1 2 3 4 5
Microcomputer malfunction Power supply system malfunction Communication system malfunction Sensor and actuator circuit malfunction System malfunction
B157287 IMMOBILIZER COMMUNICATION MALFUNCTION - - - -
B157644 HYBRID/EV POWERTRAIN CONTROL MODULE DATA MEMORY FAILURE (IMMOBILIZER) - - - - -
P056014 SYSTEM VOLTAGE (BATT) CIRCUIT SHORT TO GROUND OR OPEN - - - - -
P058A01 AUXILIARY BATTERY MONITOR MODULE GENERAL ELECTRICAL FAILURE - - - - -
P060647 HYBRID/EV POWERTRAIN CONTROL MODULE PROCESSOR WATCHDOG/SAFETY MCU FAILURE - - - - -
P060687 HYBRID/EV POWERTRAIN CONTROL MODULE PROCESSOR TO MONITORING PROCESSOR MISSING MESSAGE - - - - -
P060694 HYBRID/EV POWERTRAIN CONTROL MODULE PROCESSOR UNEXPECTED OPERATION - - - - -
P060A29 HYBRID/EV POWERTRAIN CONTROL MODULE MONITORING PROCESSOR SIGNAL INVALID - - - - -
P060A44 HYBRID/EV POWERTRAIN CONTROL MODULE MONITORING PROCESSOR DATA MEMORY FAILURE - - - - -
P060A45 HYBRID/EV POWERTRAIN CONTROL MODULE MONITORING PROCESSOR PROGRAM MEMORY FAILURE - - - - -
P060A47 HYBRID/EV POWERTRAIN CONTROL MODULE MONITORING PROCESSOR WATCHDOG/SAFETY MCU FAILURE - - - - -
P060A49 HYBRID/EV POWERTRAIN CONTROL MODULE MONITORING PROCESSOR INTERNAL ELECTRONIC FAILURE - - - - -
P060A87 HYBRID/EV POWERTRAIN CONTROL MODULE PROCESSOR FROM MONITORING PROCESSOR MISSING MESSAGE - - - - -
P060A94 HYBRID/EV POWERTRAIN CONTROL MODULE MONITORING PROCESSOR UNEXPECTED OPERATION - - - - -
P060B1C HYBRID/EV POWERTRAIN CONTROL MODULE A/D PROCESSING VOLTAGE OUT OF RANGE - - - - -
P060B49 HYBRID/EV POWERTRAIN CONTROL MODULE A/D PROCESSING INTERNAL ELECTRONIC FAILURE - - - - -
P060B71 HYBRID/EV POWERTRAIN CONTROL MODULE A/D PROCESSING ACTUATOR STUCK - - - - -
P062F44 HYBRID/EV POWERTRAIN CONTROL MODULE EEPROM DATA MEMORY FAILURE - - - - -
P06881F ECM/PCM POWER RELAY SENSE CIRCUIT INTERMITTENT - - - - -
P070562 TRANSMISSION RANGE SENSOR "A" CIRCUIT (PRNDL INPUT) SIGNAL COMPARE FAILURE - - - - -
P0A0A13 HIGH VOLTAGE SYSTEM INTERLOCK CIRCUIT OPEN - - - - -
P0A0A92 HIGH VOLTAGE SYSTEM INTERLOCK PERFORMANCE OR INCORRECT OPERATION - - - - -
P0A1B49 DRIVE MOTOR "A" CONTROL MODULE INTERNAL ELECTRONIC FAILURE - - - - -
P0A1B94 DRIVE MOTOR "A" CONTROL MODULE UNEXPECTED OPERATION - - - - -
P0A1F94 HYBRID/EV BATTERY ENERGY CONTROL MODULE UNEXPECTED OPERATION - - - - -
P0A2A11 DRIVE MOTOR "A" TEMPERATURE SENSOR CIRCUIT SHORT TO GROUND - - - - -
P0A2A15 DRIVE MOTOR "A" TEMPERATURE SENSOR CIRCUIT SHORT TO AUXILIARY BATTERY OR OPEN - - - - -
P0A2A1C DRIVE MOTOR "A" TEMPERATURE SENSOR VOLTAGE OUT OF RANGE - - - - -
P0A2A1F DRIVE MOTOR "A" TEMPERATURE SENSOR CIRCUIT INTERMITTENT - - - - -
P0A3611 GENERATOR TEMPERATURE SENSOR CIRCUIT SHORT TO GROUND - - - - -
P0A3615 GENERATOR TEMPERATURE SENSOR CIRCUIT SHORT TO AUXILIARY BATTERY OR OPEN - - - - -
P0A361C GENERATOR TEMPERATURE SENSOR VOLTAGE OUT OF RANGE - - - - -
P0A361F GENERATOR TEMPERATURE SENSOR CIRCUIT INTERMITTENT - - - - -
P0A9300 INVERTER "A" COOLING SYSTEM PERFORMANCE - - - - B
P0AA000 HYBRID/EV BATTERY POSITIVE CONTACTOR CIRCUIT STUCK CLOSED - - - - -
P0AA073 HYBRID/EV BATTERY POSITIVE AND NEGATIVE CONTACTOR ACTUATOR STUCK CLOSED - - - - -
P0AA373 HYBRID/EV BATTERY NEGATIVE CONTACTOR ACTUATOR STUCK CLOSED - - - - -
P0AA649 HYBRID/EV BATTERY VOLTAGE SYSTEM ISOLATION INTERNAL ELECTRONIC FAILURE - - - - -
P0AA749 HYBRID/EV BATTERY VOLTAGE ISOLATION SENSOR CIRCUIT INTERNAL ELECTRONIC FAILURE - - - - -
P0ABF00 HYBRID/EV BATTERY CURRENT SENSOR "A" CIRCUIT RANGE/PERFORMANCE - - - - -
P0AD911 HYBRID/EV BATTERY POSITIVE CONTACTOR CIRCUIT SHORT TO GROUND - - - - -
P0AD915 HYBRID/EV BATTERY POSITIVE CONTACTOR CIRCUIT SHORT TO AUXILIARY BATTERY OR OPEN - - - - -
P0ADD11 HYBRID/EV BATTERY NEGATIVE CONTACTOR CIRCUIT SHORT TO GROUND - - - - -
P0ADD15 HYBRID/EV BATTERY NEGATIVE CONTACTOR CIRCUIT SHORT TO AUXILIARY BATTERY OR OPEN - - - - -
P0AE173 HYBRID/EV BATTERY PRE-CHARGE CONTACTOR ACTUATOR STUCK CLOSED - - - - -
P0AE411 HYBRID/EV BATTERY PRE-CHARGE CONTACTOR CIRCUIT SHORT TO GROUND - - - - -
P0AE415 HYBRID/EV BATTERY PRE-CHARGE CONTACTOR CIRCUIT SHORT TO AUXILIARY BATTERY OR OPEN - - - - -
P0B231C HYBRID/EV BATTERY "A" VOLTAGE SENSOR VOLTAGE OUT OF RANGE - - - - -
P0C7396 MOTOR ELECTRONICS COOLANT PUMP "A" COMPONENT INTERNAL FAILURE - - - - -
P0C7600 HYBRID/EV BATTERY SYSTEM DISCHARGE TIME TOO LONG - - - - -
P0D0700 HYBRID/EV BATTERY CHARGING SYSTEM POSITIVE CONTACTOR STUCK CLOSED - - - - -
P0D0773 HYBRID/EV BATTERY CHARGING SYSTEM POSITIVE/NEGATIVE CONTACTOR ACTUATOR STUCK CLOSED - - - - -
P0D0E73 HYBRID/EV BATTERY CHARGING SYSTEM NEGATIVE CONTACTOR CONTROL ACTUATOR STUCK CLOSED - - - - -
P0D2D1C DRIVE MOTOR "A" INVERTER VOLTAGE SENSOR VOLTAGE OUT OF RANGE - - - - -
P0D4C1C HYBRID/EV BATTERY CHARGER HYBRID/EV BATTERY INPUT VOLTAGE SENSOR VOLTAGE OUT OF RANGE - - - - -
P0D5C00 CHARGER INPUT/OUTPUT POWER DIFFERENCE HIGH - - - - -
P0D5E00 HYBRID/EV BATTERY CHARGER HYBRID/EV SYSTEM DISCHARGE TIME TOO LONG - - - - -
P0E311C BOOSTING CONVERTER VOLTAGE SENSOR "A" VOLTAGE OUT OF RANGE - - - - -
P0E619E HYBRID/EV BATTERY CHARGER ENABLE CIRCUIT STUCK ON - - - - -
P0E6A73 HYBRID/EV BATTERY CHARGING SYSTEM PRE-CHARGE CONTACTOR CONTROL ACTUATOR STUCK CLOSED - - - - -
P160600 COLLISION DETECTED OR COLLISION SENSOR CONNECTION (OPEN) - - - - - -
P160604 COLLISION DETECTED OR COLLISION SENSOR CONNECTION (OPEN) SYSTEM INTERNAL FAILURE - - - - - -
P162B87 LOST COMMUNICATION WITH AUXILIARY BATTERY MONITOR MODULE MISSING MESSAGE - - - - -
P1AC413 HYBRID/EV BATTERY STACK 1 CURRENT INTERRUPT DEVICE CIRCUIT OPEN - - - - -
P1C2D62 HYBRID/EV BATTERY "A" VOLTAGE SENSOR/BOOSTING CONVERTER VOLTAGE SENSOR "A" SIGNAL COMPARE FAILURE - - - - -
P1C6A9F MOTOR SHUTDOWN STUCK OFF - - - - -
P1C6C9F GENERATOR SHUTDOWN STUCK OFF - - - - -
P1C7779 ENGINE FAILED TO START MECHANICAL LINKAGE FAILURE - - - - -
P1C7C49 HYBRID/EV BATTERY VOLTAGE SYSTEM ISOLATION (A/C AREA) INTERNAL ELECTRONIC FAILURE - - - - -
P1C7D49 HYBRID/EV BATTERY VOLTAGE SYSTEM ISOLATION (HYBRID/EV BATTERY AREA) INTERNAL ELECTRONIC FAILURE - - - - -
P1C7E49 HYBRID/EV BATTERY VOLTAGE SYSTEM ISOLATION (TRANSAXLE AREA) INTERNAL ELECTRONIC FAILURE - - - - -
P1C7F49 HYBRID/EV BATTERY VOLTAGE SYSTEM ISOLATION (DIRECT CURRENT AREA) INTERNAL ELECTRONIC FAILURE - - - - -
P1C8149 HIGH VOLTAGE POWER RESOURCE CIRCUIT CONSUMPTION CIRCUIT SHORT - - - - -
P1C8249 HIGH VOLTAGE POWER RESOURCE CIRCUIT OVER LOADING - - - - -
P1C8349 HIGH VOLTAGE POWER RESOURCE CIRCUIT VOLTAGE SENSOR AFTER BOOSTING MALFUNCTION - - - - -
P1C8449 HIGH VOLTAGE POWER RESOURCE CIRCUIT SHORT DURING READY ON - - - - -
P1C8679 TRANSMISSION (INPUT) MECHANICAL LINKAGE FAILURE - - - - -
P1C8779 GENERATOR MECHANICAL LINKAGE FAILURE - - - - -
P1C8879 PLANETARY GEAR MECHANICAL LINKAGE FAILURE - - - - -
P1C9011 DRIVE MOTOR "A" TEMPERATURE SENSOR CIRCUIT "B" LOW - - - - -
P1C9015 DRIVE MOTOR "A" TEMPERATURE SENSOR CIRCUIT "B" HIGH - - - - -
P1C901C DRIVE MOTOR "A" TEMPERATURE SENSOR CIRCUIT "B" RANGE/PERFORMANCE - - - - -
P1C901F Drive Motor "A" Temperature Sensor Circuit "B" Intermittent - - - - -
P1C9E9F HYBRID/EV SYSTEM RESET STUCK OFF - - - - -
P1CD800 HYBRID/EV POWERTRAIN CONTROL MODULE PROCESSOR OR MONITORING PROCESSOR CHARGING PERMISSION SIGNAL INTERNAL FAILURE - - - - -
P1CD900 HYBRID/EV POWERTRAIN CONTROL MODULE PROCESSOR AND MONITORING PROCESSOR CHARGING PERMISSION SIGNAL STUCK ON - - - - -
P1CDA00 HYBRID/EV POWERTRAIN CONTROL MODULE PROCESSOR AND MONITORING PROCESSOR CHARGING PERMISSION SIGNAL STUCK OFF - - - - -
P1CE213 PCU INTERLOCK CIRCUIT OPEN - - - - -
P1CE292 PCU INTERLOCK PERFORMANCE OR INCORRECT OPERATION - - - - -
P1CE31C HYBRID/EV POWERTRAIN CONTROL MODULE MONITORING PROCESSOR A/D PROCESSING VOLTAGE OUT OF RANGE - - - - -
P1CE349 HYBRID/EV POWERTRAIN CONTROL MODULE MONITORING PROCESSOR A/D PROCESSING INTERNAL ELECTRONIC FAILURE - - - - -
P1CE371 HYBRID/EV POWERTRAIN CONTROL MODULE MONITORING PROCESSOR A/D PROCESSING ACTUATOR STUCK - - - - -
P1CF749 HYBRID/EV BATTERY VOLTAGE SYSTEM ISOLATION (CHARGER AREA) INTERNAL ELECTRONIC FAILURE - - - - -
P1CFA12 IGB SIGNAL CIRCUIT SHORT TO AUXILIARY BATTERY - - - - -
P212012 THROTTLE/PEDAL POSITION SENSOR/SWITCH "D" CIRCUIT SHORT TO AUXILIARY BATTERY - - - - -
P212014 THROTTLE/PEDAL POSITION SENSOR/SWITCH "D" CIRCUIT SHORT TO GROUND OR OPEN - - - - -
P21201C THROTTLE/PEDAL POSITION SENSOR/SWITCH "D" VOLTAGE OUT OF RANGE - - - - -
P21201F THROTTLE/PEDAL POSITION SENSOR/SWITCH "D" CIRCUIT INTERMITTENT - - - - -
P212512 THROTTLE/PEDAL POSITION SENSOR/SWITCH "E" CIRCUIT SHORT TO AUXILIARY BATTERY - - - - -
P212514 THROTTLE/PEDAL POSITION SENSOR/SWITCH "E" CIRCUIT SHORT TO GROUND OR OPEN - - - - -
P21251C THROTTLE/PEDAL POSITION SENSOR/SWITCH "E" VOLTAGE OUT OF RANGE - - - - -
P21251F THROTTLE/PEDAL POSITION SENSOR/SWITCH "E" CIRCUIT INTERMITTENT - - - - -
P213800 THROTTLE/PEDAL POSITION SENSOR/SWITCH "D"/"E" VOLTAGE CORRELATION - - - - -
P21382B THROTTLE/PEDAL POSITION SENSOR/SWITCH "D"/"E" SIGNAL CROSS COUPLED - - - - -
P253012 IG2 SIGNAL CIRCUIT SHORT TO AUXILIARY BATTERY - - - - -
P274A11 TRANSMISSION FLUID TEMPERATURE SENSOR "C" CIRCUIT SHORT TO GROUND - - - - -
P274A15 TRANSMISSION FLUID TEMPERATURE SENSOR "C" CIRCUIT SHORT TO AUXILIARY BATTERY OR OPEN - - - - -
P274A1C TRANSMISSION FLUID TEMPERATURE SENSOR "C" VOLTAGE OUT OF RANGE - - - - -
P274A1F TRANSMISSION FLUID TEMPERATURE SENSOR "C" CIRCUIT INTERMITTENT - - - - -
P300449 HIGH VOLTAGE POWER RESOURCE CIRCUIT SHORT DURING PRE-CHARGE - - - - -
P308F49 HIGH VOLTAGE CHARGING CIRCUIT SHORT DURING PRE-CHARGE - - - - -
P309F49 HIGH VOLTAGE CHARGING CIRCUIT CONSUMPTION CIRCUIT SHORT - - - - -
P310711 LOST COMMUNICATION WITH AIRBAG SYSTEM CONTROL MODULE CIRCUIT SHORT TO GROUND - - - - -
P310715 LOST COMMUNICATION WITH AIRBAG SYSTEM CONTROL MODULE CIRCUIT SHORT TO AUXILIARY BATTERY OR OPEN - - - - -
P310764 LOST COMMUNICATION WITH AIRBAG SYSTEM CONTROL MODULE SIGNAL PLAUSIBILITY FAILURE - - - - -
P312387 LOST COMMUNICATION WITH DRIVE MOTOR CONTROL MODULE "A" FROM HYBRID/EV CONTROL MODULE MISSING MESSAGE - - - - -
P314779 TRANSMISSION (SHAFT) MECHANICAL LINKAGE FAILURE - - - - -
P314A31 MOTOR ELECTRONICS COOLANT PUMP "A" NO SIGNAL - - - - -
P31B300 HYBRID/EV BATTERY VOLTAGE HIGH - - - - -
P320F00 AC CHARGING OVERPOWER - - - - -
P321D17 CHARGER CIRCUIT VOLTAGE ABOVE THRESHOLD - - - - -
P321E9F MOTOR/GENERATOR SHUTDOWN SIGNAL STUCK OFF - - - - -
P33B99F MOTOR/GENERATOR SHUTDOWN SIGNAL (HYBRID/EV SIDE) STUCK OFF - - - - -
P33BF9F MOTOR/GENERATOR SHUTDOWN SIGNAL (MG SIDE) STUCK OFF - - - - -
P33CF49 HYBRID/EV BATTERY VOLTAGE SYSTEM ISOLATION INTERNAL ELECTRONIC FAILURE ABNORMAL AREA DETECTION FAILURE - - - - -
U010087 LOST COMMUNICATION WITH ECM/PCM "A" MISSING MESSAGE - - - - -
U011087 LOST COMMUNICATION WITH DRIVE MOTOR CONTROL MODULE MISSING MESSAGE - - - - -
U011187 LOST COMMUNICATION WITH HYBRID/EV BATTERY ENERGY CONTROL MODULE "A" MISSING MESSAGE - - - - -
U012987 LOST COMMUNICATION WITH BRAKE SYSTEM CONTROL MODULE MISSING MESSAGE - - - - -
U014087 LOST COMMUNICATION WITH BODY CONTROL MODULE - - - - -
U015187 LOST COMMUNICATION WITH RESTRAINTS CONTROL MODULE MISSING MESSAGE - - - - -
U015587 LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE MISSING MESSAGE - - - - -
U016487 LOST COMMUNICATION WITH HVAC CONTROL MODULE MISSING MESSAGE - - - - -
U019B87 LOST COMMUNICATION WITH HYBRID/EV BATTERY CHARGER CONTROL MODULE MISSING MESSAGE - - - - -
U042481 HVAC CONTROL MODULE TO HYBRID POWERTRAIN CONTROL MODULE INVALID SERIAL DATA RECEIVED - - - - -
U110787 LOST COMMUNICATION WITH POWER MANAGEMENT MODULE MISSING MESSAGE - - - - -
U117087 LOST COMMUNICATION WITH BRAKE SYSTEM CONTROL MODULE (SECONDARY CAN LINE) MISSING MESSAGE - - - - -
U117587 LOST COMMUNICATION WITH HYBRID/EV BATTERY ENERGY CONTROL MODULE "A" (POWERTRAIN BUS) MISSING MESSAGE - - - - -
U125987 LOST COMMUNICATION WITH AWD CONTROL MODULE MISSING MESSAGE - - - - -
U128E87 LOST COMMUNICATION WITH EYESIGHT (C-CAN) MISSING MESSAGE - - - - -
NOTE: The following "Examples of several DTCs output" must be used as reference of abnormal conditions. Therefore, do not use the examples when actually performing the check.

Examples of several DTCs output

  1. The power supply in microcomputer is reduced while driving. 
    1. DTCs are detected and the vehicle behavior is as follows.

      Detected DTCs

      • DTC P060B1C (HYBRID/EV POWERTRAIN CONTROL MODULE A/D PROCESSING VOLTAGE OUT OF RANGE)... Microcomputer malfunction*
      • DTC P06881F (ECM/PCM POWER RELAY SENSE CIRCUIT INTERMITTENT)... power supply system malfunction*
      • DTC P0AA749 (HYBRID/EV BATTERY VOLTAGE ISOLATION SENSOR CIRCUIT INTERNAL ELECTRONIC FAILURE)... Sensor and actuator circuit malfunction*
      • DTC P0B231C (HYBRID/EV BATTERY "A" VOLTAGE SENSOR VOLTAGE OUT OF RANGE)...Sensor and actuator circuit malfunction*
      • DTC P1C9E9F (HYBRID/EV SYSTEM RESET STUCK OFF)... system malfunction*

      *: Check the priority level using "DTC priority" table described above.

      Vehicle behavior

      Hybrid system stopped

    2. The inspection priority is as follows: "Microcomputer system → Power supply system → Communication system → Sensor/actuator system → System". Therefore, check the repair procedure of DTC P060B1C.
    3. Replace the Hybrid vehicle control ECU assembly according to the repair procedure. Repair finished.

This allows you to identify the defective area without performing unnecessary checks.