LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2013 >> BRZ Limited, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle (Diagnostics) >> Automatic transmission system >> DTC P0601 Internal Control Module Memory Check Sum Error >> Circuit description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit description

The value calculated by the transmission control computer is compared with the data stored in the transmission control computer ASSY when IG is ON, and when they do not match 2 times consecutively, DTC is detected and the learning is prohibited. If the problem persists, cut continuity to all the solenoid (lock at 4th gear).

DTC No. SAE/TCCS DTC detecting condition
  1. Diagnosis condition
  2. Abnormal condition
  3. Abnormal period
  4. Other
 Inspection parts
P0601
  1. IG ON

    When DTC clear required

  2. Transmission control computer ASSY, internal error
  3. -
  4. 1 trips
  • Transmission control computer ASSY
scientia non olet · About LEMON Manuals