Toyota Corolla Cross: Internal Control Module EEPROM Data Memory Failure (P062F44)
DESCRIPTION
The TCM monitors its internal operation and will store this DTC when it detects an internal malfunction.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
MIL |
Memory |
Note |
|---|---|---|---|---|---|---|
|
P062F44 |
Internal Control Module EEPROM Data Memory Failure |
TCM internal malfunction (EEPROM) |
TCM |
Comes on |
DTC stored |
SAE Code: P062F |
MONITOR DESCRIPTION
The TCM monitors its internal operation. If it detects an internal malfunction, the TCM will illuminate the MIL and store this DTC.
MONITOR STRATEGY
|
Related DTCs |
P062F: Internal control module EEPROM functional |
|
Required sensors/Components |
TCM |
|
Frequency of operation |
Continuous |
|
Duration |
- |
|
MIL operation |
Case 1, Case 2: Immediate Case 3: Once per driving cycle |
|
Sequence of operation |
None |
TYPICAL ENABLING CONDITIONS
All|
The monitor will run whenever the following DTCs are not stored |
None |
|
All of the following conditions are met |
- |
|
Permanent fault code |
Not stored |
|
OBDII system commands |
Store |
|
Auxiliary battery voltage |
8 V or higher |
|
All of the following conditions are met |
- |
|
Permanent fault code |
Stored |
|
OBDII system commands |
Clear |
|
Auxiliary battery voltage |
8 V or higher |
|
Auxiliary battery voltage |
8 V or higher |
TYPICAL MALFUNCTION THRESHOLDS
Case 1|
Following condition is met |
2 data areas or more |
|
One of the following conditions is met |
More than 3 times |
|
- EEPROM access error |
Occurred |
|
- Permanent fault code |
Not stored |
|
- Permanent fault code |
Not equal to commanded fault code |
|
Following condition is met |
2 data areas or more |
|
One of the following conditions is met |
More than 3 times |
|
- EEPROM access error |
Occurred |
|
- Permanent fault code |
Stored |
|
Either of the following conditions is met |
1 or 2 |
|
1. Following condition is met |
2 data areas or more |
|
EEPROM access error occurred |
More than 3 times |
|
2. Following condition is met |
More than 10 times |
|
Permanent fault code data |
Mismatch |
CONFIRMATION DRIVING PATTERN
HINT:
- After repairs have been completed, clear the DTCs and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.
- When clearing the permanent DTCs, refer to the Clear Permanent DTC procedure.
Click here
.gif)
- Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
- Turn the ignition switch off and wait for 2 minutes or more.
- Turn the ignition switch to ON and turn the GTS on.
- Wait for 11 seconds or more with the ignition switch to ON. [*1]
HINT:
[*1] : Normal judgment procedure.
The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.
- Enter the following menus: Powertrain / Transmission / Utility / All Readiness.
- Input the DTC: P062F44.
- Check the DTC judgment result.
GTS Display
Description
NORMAL
- DTC judgment completed
- System normal
ABNORMAL
- DTC judgment completed
- System abnormal
INCOMPLETE
- DTC judgment not completed
- Perform driving pattern after confirming DTC enabling conditions
N/A
- Unable to perform DTC judgment
- Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit
HINT:
- If the judgment result shows NORMAL, the system is normal.
- If the judgment result shows ABNORMAL, the system has a malfunction.
- If the judgment result shows INCOMPLETE or N/A, perform the normal judgment procedure again.
CAUTION / NOTICE / HINT
NOTICE:
- Perform the universal trip to clear permanent DTCs.
Click here
- Perform registration and/or initialization when parts related to the continuously
variable transaxle system are replaced.
Click here
- Check that no DTCs are stored after performing initialization.
Click here
- After turning the ignition switch off, waiting time may be required before
disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore,
make sure to read the disconnecting the cable from the negative (-) auxiliary
battery terminal notices before proceeding with work.
Click here
PROCEDURE
|
1. |
CHECK DTC OUTPUT (DTC P062F44) |
(a) Clear the DTCs.
Powertrain > Transmission > Clear DTCsHINT:
Write down the currently output DTCs before clearing them.
(b) Turn the ignition switch off.
(c) Disconnect the cable from the negative (-) auxiliary battery terminal and wait for 1 minute.
(d) Connect the cable to the negative (-) auxiliary battery terminal.
(e) Turn the ignition switch ON.
(f) Enter the following menus:
Powertrain > Transmission > Trouble Codes(g) Read the DTCs using the GTS.
|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTC P062F44 is output |
B |
| A | .gif) |
CHECK FOR INTERMITTENT PROBLEMS Click here Click here |
|
.gif)
|
2. |
REPLACE TCM |
Click here
| NEXT | |
PERFORM REGISTRATION AND INITIALIZATION for Registration: Click here for Initialization: Click here |
