CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC P0601 INTERNAL CONTROL MODULE MEMORY CHECKSUM ERROR
DTC DETECTING CONDITION:
Detected when two consecutive driving cycles with fault occur.
TROUBLE SYMPTOM:
TCM ROM malfunction
STEP | CHECK | YES | NO |
1.CHECK DTC.
1) Perform the Clear Memory Mode using the Subaru Select Monitor. Clear Memory Mode">
2) Read the DTC.
Is DTC P0601 displayed?
Replace the TCM. Transmission Control Module (TCM)">
Current condition is normal. Check for interference from noise, etc.
1. OUTLINE OF DIAGNOSIS
• Detect the malfunction in ROM area of the TCM.
• Judge as NG when the consistency in the ROM area is lost.
2. EXECUTION CONDITION
Secondary Parameters | Execution condition |
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.
Malfunction Criteria | Threshold Value |
Checksum (ROM) | Error |
Time Needed for Diagnosis: Immediately
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.
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