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Diagnostic Trouble Code Chart

If a trouble code is displayed during the DTC check, check the circuit listed for that code in the table below and proceed to the appropriate page.

HINT:

DIAGNOSTIC TROUBLE CODE REFERENCE

DTC No. Detection Item Trouble Area P Position Switch Indicator Light Condition HINT
C2300  ACT System Malfunction
  • Shift control actuator
  • Transaxle parking lock control relay
  • Transmission control ECU
  • Wire harness or connector
Blinks slowly If DTC C2318 is output simultaneously, perform troubleshooting for DTC C2318 first.
C2301  Shift Changing Time Malfunction
  • Shift control actuator
  • Transmission control ECU
Blinks slowly If DTC C2318 is output simultaneously, perform troubleshooting for DTC C2318 first.
C2303  Relay Malfunction (+B Short)
  • Transaxle parking lock control relay
  • Transmission control ECU
  • Wire harness or connector
Normal
  • P position status: the P position switch indicator light is on.
  • P position release status: the P position switch indicator light is off.
If DTC C2318 is output simultaneously, perform troubleshooting for DTC C2318 first.
C2304  Open or Short Circuit in "U" Phase
  • Shift control actuator
  • Transmission control ECU
  • Transaxle parking lock control relay
  • Wire harness or connector
Blinks slowly If DTC C2318 is output simultaneously, perform troubleshooting for DTC C2318 first.
C2305  Open or Short Circuit in "V" Phase
  • Shift control actuator
  • Transmission control ECU
  • Transaxle parking lock control relay
  • Wire harness or connector
Blinks slowly If DTC C2318 is output simultaneously, perform troubleshooting for DTC C2318 first.
C2306  Open or Short Circuit in "W" Phase
  • Shift control actuator
  • Transmission control ECU
  • Transaxle parking lock control relay
  • Wire harness or connector
Blinks slowly If DTC C2318 is output simultaneously, perform troubleshooting for DTC C2318 first.
C2307  Power Source Malfunction
  • Transmission control ECU
  • Wire harness or connector
  • Parking lock motor (Shift control actuator)
Blinks slowly If DTC C2318 is output simultaneously, perform troubleshooting for DTC C2318 first.
C2310  Open or Short Circuit in BATT
  • P CON MAIN fuse
  • Transmission control ECU
  • Wire harness or connector
Normal
  • P position status: the P position switch indicator light is on.
  • P position release status: the P position switch indicator light is off.
-
C2311  HV Communication Line Malfunction
  • Transmission control ECU
  • Hybrid vehicle control ECU
  • Wire harness or connector
Blinks slowly -
C2312  Power Source Control ECU Communication Line Malfunction
  • Transmission control ECU
  • Power source control ECU
Normal
  • P position status: the P position switch indicator light is on.
  • P position release status: the P position switch indicator light is off.
-
C2315  HV System Malfunction
  • Hybrid vehicle control ECU
  • P position switch
  • Transmission control ECU
  • Wire harness or connector
Normal
  • P position status: the P position switch indicator light is on.
  • P position release status: the P position switch indicator light is off.
-
C2318  Low Voltage Error (Power Supply Malfunction)
  • HEV fuse
  • IGCT relay
  • Wire harness or connector
  • Auxiliary battery
Normal
  • P position status: the P position switch indicator light is on.
  • P position release status: the P position switch indicator light is off.
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