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Home >> Subaru >> 2022 >> BRZ Limited, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System (Diagnostics) >> Inspection Mode >> Procedure >> Inspection Mode A
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Inspection Mode A

DTC Description & trouble part Condition
P0601 INTERNAL CONTROL MODULE MEMORY CHECKSUM ERROR -
P062F INTERNAL CONTROL MODULE EEPROM ERROR -
P0815 UPSHIFT SWITCH CIRCUIT -
P0816 DOWNSHIFT SWITCH CIRCUIT -
P0882 PVIGN POWER SUPPLY (LOW) -
P1603 ENGINE STALL HISTORY -
P1608 INTERNAL CONTROL MODULE MONITORING FUNCTION SELF TEST -
P1609 INTERNAL CONTROL MODULE MONITORING PROCESSOR SOLENOID CUT CIRCUIT -
P160A RANDOM ACCESS MEMORY (RAM) ERROR -
U0073 CONTROL MODULE COMMUNICATION BUS OFF -
U0100 LOST COMMUNICATION WITH ECM/PCM "A" -
U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE -
U0140 LOST COMMUNICATION WITH BODY CONTROL MODULE -
U0155 LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE -
U0401 INVALID DATA RECEIVED FROM ECM/PCM "A" -
U0416 INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULE -
U0422 INVALID DATA RECEIVED FROM BODY CONTROL MODULE -
U0423 INVALID DATA RECEIVED FROM INSTRUMENT PANEL CLUSTER CONTROL MODULE -
U1235 LOST COMMUNICATION WITH EyeSight -
U1433 INVALID DATA RECEIVED FROM EyeSight -
U1C00 INVALID AUTHENTICATION DATA RECEIVED FROM GATEWAY -
U1C07 INVALID AUTHENTICATION DATA RECEIVED FROM ECM/PCM PU-BUS -
U1D00 CONTINUINGLY INVALID AUTHENTICATION DATA RECEIVED FROM GATEWAY -
U1D07 CONTINUINGLY INVALID AUTHENTICATION DATA RECEIVED FROM ECM/PCM PU-BUS -
U1E00 LOST COMMUNICATION OF AUTHENTICATION DATA WITH GATEWAY "A" PU-BUS -
U1E07 LOST COMMUNICATION OF AUTHENTICATION DATA WITH ECM/PCM PU-BUS -

Diagnostic procedure:

  1. Start the engine.
  2. Check the readiness code of [Transmission] using Subaru Select Monitor and confirm that the diagnosis is not completed. Ref. to TRANSMISSION (DIAGNOSTICS)>ALL READINESS DIAGNOSTIC CODE(S) .
  3. Using the Subaru Select Monitor, perform the clear memory of [Transmission]. Ref. to COMMON (DIAGNOSTICS)>CLEAR MEMORY .
    CAUTION: After performing the clear memory, do not turn the ignition switch to OFF.
  4. Check the readiness code of [Transmission] using Subaru Select Monitor and confirm that the diagnosis is completed. Ref. to TRANSMISSION (DIAGNOSTICS)>ALL READINESS DIAGNOSTIC CODE(S) .