DTC P0AFC-62: Hybrid/EV Battery Sensor Module Signal Compare Failure [09/2023 - ]: Procedure

Pre-procedure1

• None.

• Check for DTCs.

  Powertrain > Hybrid Control > Trouble Codes 

  Powertrain > Motor Generator > Trouble Codes 

  Result

  Result	Proceed to
  P0AFC-62 only is output, or DTCs except the ones in the table below are also output.	A
  DTCs of Hybrid Control System in the tables below are output.	B
  DTCs of Motor Generator Control System in the tables below are output.	C

  Malfunction Content	System	Relevant DTC
  Microcomputer malfunction	Hybrid Control System	P0AFC-00	Hybrid/EV Battery Sensor Module
  		P0AFC-96	Hybrid/EV Battery Sensor Module Component Internal Failure
  		P308A-12	Hybrid/EV Battery Voltage Sensor All Circuit Short to Auxiliary Battery
  Sensor and actuator circuit malfunction	Hybrid Control System	P0D2D-1C	Drive Motor "A" Inverter Voltage Sensor Voltage Out of Range
  	Motor Generator Control System	P0D2D-16	Drive Motor "A" Inverter Voltage Sensor (VH) Circuit Voltage Below Threshold
  		P0D2D-17	Drive Motor "A" Inverter Voltage Sensor (VH) Circuit Voltage Above Threshold
  High Voltage Circuit Malfunction	Hybrid Control System	P0A95-63	High Voltage Fuse Accumulated Load History

  HINT: 

  • P0AFC-62 may be output as a result of the malfunction indicated by the DTCs above.
    1. The chart above is listed in inspection order of priority.
    2. Check DTCs that are output at the same time by following the listed order. (The main cause of the malfunction can be determined without performing unnecessary inspections.)

Post-procedure1

• Turn the ignition switch off.

Result: 

B 

GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2023 - ] 

Result: 

C 

GO TO DTC CHART (MOTOR GENERATOR CONTROL SYSTEM). Refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2023 - ] 

Result: 

A 

See step  2

See step  1

Result

Result: 

OK 

REPLACE BATTERY VOLTAGE SENSOR. Refer to  REMOVAL [09/2023 - ] 

Result: 

NG 

CONNECT SECURELY