CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC P0604 INTERNAL CONTROL MODULE RANDOM ACCESS MEMORY (RAM) ERROR
DTC DETECTING CONDITION:
Detected when two consecutive driving cycles with fault occur.
TROUBLE SYMPTOM:
TCM RAM 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 P0604 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 RAM area of the TCM.
• Judge as NG if an attempt to write to RAM area failed.
2. EXECUTION CONDITION
Secondary Parameters | Execution condition |
12 V battery system voltage | ≥ 10 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 |
Writing-check (RAM) NOTE: |
This check is carried out about the RAM only used for CAN communication.
Error
Time Needed for Diagnosis: Immediately
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.
Inspection
MANUAL TRANSMISSION AND DIFFERENTIAL(5MT) > Main Shaft AssemblyINSPECTIONDisassembled parts should be washed with cleaning solvent first, then inspected carefully.1. BearingReplace the bearings in the following cases.• When the bearing balls, outer races and inner races are broken or rusty. ...
Dtc c1242 rear left abs sensor signal
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Immobilizer
The immobilizer system is designed to
prevent an unauthorized person from
starting the engine. Only keys registered
with your vehicle's immobilizer system can
be used to operate your vehicle. This
system, however, is not a 100% anti-theft
guarantee.
For models with "keyless access with
pus ...