DTC P0C1D:00 [TCM (SJ6A-EL)]


id0502o1836000

DTC P0C1D:00

Electric AT oil pump: ATF high temperature detected for electric AT oil pump control

DETECTION CONDITION
•  Vehicle condition: Constantly
•  Status: ATF temperature 110°C {230 °F} or more detected
•  Period: Confirmed 1 time in 1 s or more
FAIL-SAFE FUNCTION
•  Inhibits the i-stop control.
POSSIBLE CAUSE
•  Vehicle high-load driving (driving on steep uphill at low speed)
•  ATF deterioration
•  TCM malfunction
SYSTEM WIRING DIAGRAM
Not applicable


Diagnostic Procedure

Step

Inspection

Results

Action

1
RECORD VEHICLE STATUS WHEN DTC WAS DETECTED TO UTILIZE WITH REPEATABILITY VERIFICATION
Note
•  Recording can be facilitated using the screen capture function of the PC.
•  Record the freeze frame data/snapshot data.
Go to the next step.
2
VERIFY RELATED SERVICE INFORMATION AVAILABILITY
•  Verify related Service Information availability.
•  Is any related Service Information available?
Yes
Perform repair or diagnosis according to the available Service Information.
•  If the vehicle is not repaired, go to the next step.
No
Go to the next step.
3
VERIFY ATF TEMPERATURE
•  Display PID TFT using the M-MDS.
•  Is the ATF temperature less than 110 °C {230 °F}?
Yes
Go to the next step.
No
Park the vehicle in the shade to decrease the ATF temperature, then go to the next step.
4
INSPECT ATF CONDITION
•  Switch the ignition off.
•  Inspect the ATF.
―  Clear red: Normal
―  Light red: Liquid is mixed with water
―  Red brown: ATF deterioration
•  Is the ATF normal?
Yes
Go to the next step.
No
Replace the ATF, then go to the next step.
5
VERIFY SAME DTC IS NOT PRESENT
•  Clear DTC for the TCM using the M-MDS.
•  Perform the DTC inspection for the TCM using the M-MDS.
•  Is the same DTC present?
Yes
Repeat the inspection from Step 1.
If the malfunction recurs, replace the TCM, then go to the next step.
No
Go to the next step.
6
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Clear the DTC using the M-MDS.
•  Perform the DTC inspection using the M-MDS.
•  Are any DTCs present?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
No
DTC troubleshooting completed.