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DTC P0605: Internal Control Module Read Only Memory (ROM) Error [08/2015 - ]: Description

The TCM monitors its internal operation and it will set this DTC when it detects an internal malfunction.

DTC No. DTC Detection Condition
  1. Diagnosis Condition
  2. Malfunction Status
  3. Malfunction Time
  4. Other
 Trouble Area
P0605
  1. The engine switch is on (IG)
  2. TCM internal error (ROM)
  3. -
  4. 1-trip detection logic
 TCM
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