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Subaru Legacy Service Manual: Dtc p062f internal control module eeprom error

DTC DETECTING CONDITION:

Detected when two consecutive driving cycles with fault occur.

TROUBLE SYMPTOM:

TCM EEPROM malfunction

STEPCHECKYESNO

1.CHECK DTC.

1) Perform the Clear Memory Mode using the Subaru Select Monitor. Clear Memory Mode

2) Read the DTC.

Is DTC P062F displayed-

Replace the TCM. Transmission Control Module (TCM) Transmission Control Module (TCM)

Current condition is normal. Check for interference from noise, etc.

1. OUTLINE OF DIAGNOSIS

Diagnosis 1

Judge the malfunction in EEPROM area of the TCM.

Judge as NG if an attempt to write to EEPROM area failed.

Diagnosis 2

Judge the malfunction in EEPROM area of the TCM.

Judge as malfunction when the consistency in the EEPROM area is lost.

2. EXECUTION CONDITION

Secondary Parameters

Execution condition

Diagnosis 1

12 V battery system voltage

≥ 9 V

Diagnosis 2

12 V battery system voltage

≥ 9 V

3. DIAGNOSTIC METHOD

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgment Value

Malfunction Criteria

Threshold Value

Diagnosis 1

Writing-check (EEPROM)

Error

Diagnosis 2

Checksum (EEPROM)

Error

Time Needed for Diagnosis: Immediately

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

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