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.
Removal
HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > CondenserREMOVAL1. Using the refrigerant recovery system, discharge refrigerant. Refrigerant Recovery Procedure > PROCEDURE">2. Remove the air intake duct. Air Intake Duct > REMOVAL">3. Remove the clip, and remove the bracket - gr ...
Dtc b2304 rear radar on-off switch stuck
Blind Spot Detection/Rear Cross Traffic Alert (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC B2304 REAR RADAR ON-OFF SWITCH STUCKDTC detecting condition:• BSD/RCTA OFF switch is stuck to ON. (Switch malfunction)• Switch was left pressed for a prolonged time ...
Tips for operating the audio/visual system
CAUTION
To avoid damage to the audio/visual
system:
Be careful not to spill beverages
over the audio/visual system.
Do not put anything other than an
appropriate disc into the disc
slot.
NOTE
The use of a cell phone inside or near
the vehicle may cause a noise from the
speakers o ...