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DTC P0601: Internal Control Module Memory Check Sum Error [05/2014 - ]: Description

This compares values calculated by the TCM with the data stored within the TCM when the ignition switch is turned to ON, and if these do not match 2 times in series, then prohibits learning. If this continues further, power is cut to all solenoids (fixed to 4th).

DTC No. DTC Detection Condition
  1. Diagnosis Condition
  2. Malfunction Status
  3. Malfunction Time
  4. Other
 Trouble Area
P0601
  1. Ignition switch is turned to ON
  2. TCM internal malfunction
  3. -
  4. 1-trip detection logic
 TCM
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