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Home >> Toyota >> 2012 >> Matrix Base, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2ZR-FE) (Diagnostic Codes (P043E - P1605)) >> SFI System >> DTC P0601: Internal Control Module Memory Check Sum Error >> Procedure
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DTC P0601: Internal Control Module Memory Check Sum Error: Procedure

  1. REPLACE ECM 
    1. Replace the ECM. Refer to REMOVAL .

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