- DTC judgment completed
- System normal
| Last Modified: 12-11-2024 | 6.11:8.1.0 | Doc ID: RM100000002P7LP |
| Model Year Start: 2025 | Model: GR Corolla | Prod Date Range: [09/2024 - ] |
| Title: UC80F (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: P062F44; Internal Control Module EEPROM Data Memory Failure; 2025 MY Corolla Corolla Hatchback GR Corolla [09/2024 - ] | ||
|
DTC |
P062F44 |
Internal Control Module EEPROM Data Memory Failure |
DESCRIPTION
The ECM 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 |
Note |
|---|---|---|---|---|---|
|
P062F44 |
Internal Control Module EEPROM Data Memory Failure |
ECM internal malfunction (EEPROM) |
ECM |
Comes on |
SAE Code: P062F |
MONITOR DESCRIPTION
The ECM monitors its internal operation. If the internal operation is malfunctioning, the ECM will illuminate the MIL and store this DTC.
MONITOR STRATEGY
|
Related DTCs |
P062F: Internal control module EEPROM error |
|
Required sensors/components (Main) |
ECM |
|
Required sensors/components (Related) |
- |
|
Frequency of operation |
Case 1, Case 2: Continuous Case 3: Once per driving cycle |
|
Duration |
- |
|
MIL operation |
Immediate |
|
Sequence of operation |
None |
TYPICAL ENABLING CONDITIONS
All
|
The monitor will run whenever the following DTCs are not stored |
None |
Case 1
|
All of the following conditions are met |
- |
|
Permanent Fault Code |
Not stored |
|
OBDII system commands |
Store |
|
Battery voltage |
8 V or higher |
Case 2
|
All of the following conditions are met |
- |
|
Permanent Fault Code |
Stored |
|
OBDII system commands |
Clear |
|
Battery voltage |
8 V or higher |
Case 3
|
Battery voltage |
8 V or higher |
TYPICAL MALFUNCTION THRESHOLDS
Case 1
|
Following condition is met |
2 data areas or more |
|
Any of the following conditions (a), (b) or (c) are met |
More than 3 times |
|
(a) EEPROM access error |
Occurred |
|
(b) Permanent fault code |
Not stored |
|
(c) Permanent fault code |
Not equal to commanded fault code |
Case 2
|
Following condition is met |
2 data areas or more |
|
Any of the following conditions (a) or (b) is met |
More than 3 times |
|
(a) EEPROM access error |
Occurred |
|
(b) Permanent fault code |
Stored |
Case 3
|
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
![2025 MY Corolla Corolla Hatchback GR Corolla [09/2024 - ]; UC80F (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: DTC CHECK / CLEAR](/t3Portal/stylegraphics/info.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 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
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 automatic transaxle are replaced.
Click here
PROCEDURE
|
1. |
READ OUTPUT DTC (DTC P062F44) |
(a) Clear the DTCs.
Powertrain > Transmission > Clear DTCs
HINT:
Write down the currently output DTCs before clearing them.
(b) Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
(c) Connect the cable to the negative (-) battery terminal.
(d) Read the DTCs using the GTS.
Powertrain > Transmission > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTC P062F44 is output |
B |
| A |
|
|
|
2. |
REPLACE ECM |
Click here
| NEXT |
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