DTC P1C86-79: Transmission (Input) Mechanical Linkage Failure [12/2019 - 11/2023]: Procedure

1. Check for DTCs.

   Powertrain > Hybrid Control > Trouble Codes 

   Result

   Result	Proceed to
   P1C86-79 only is output, or DTCs except the ones in the table below are also output.	A
   Any of the following DTCs including pending DTCs are also output.	B

   Malfunction Content	Relevant DTC
   Sensor and actuator circuit malfunction	P1C87-79	Generator Mechanical Linkage Failure
   	P1C88-79	Planetary Gear Mechanical Linkage Failure

   HINT: 

   P1C86-79 may be output as a result of the malfunction indicated by the DTCs above.

2. Turn the ignition switch off.

Result: 

B 

GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2019 - 09/2020]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2020 - 10/2021]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2021 - 11/2023] 

Result: 

A 

See step  2

See step  1

Result

Result: 

NG 

See step  7

Result: 

OK 

See step  3

See step  2

Result

Result: 

NEXT 

See step  4

See step  3

Result

Result: 

NG 

REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY. Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023] 

Result: 

OK 

See step  5

See step  4

Result

Result: 

NG 

REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY. Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023] 

Result: 

OK 

See step  6

See step  5

Result

Result: 

A 

REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY. Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023] 

Result: 

B 

REPLACE TRANSMISSION INPUT DAMPER ASSEMBLY. Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023] 

See step  6

Result

Result: 

OK 

REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY. Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023] 

Result: 

NG 

REPAIR OR REPLACE ENGINE