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Which consequence follows from disconnecting the battery immediately after shutdown?

  • A.Damage to the unit
  • B.Loss of the learned values, which must then be relearned during subsequent driving before performance is normal again
  • C.Adaptations may not be written to memory
  • D.No consequence, since the control unit stores its values continuously while the engine is running normally

Answer: C

Interrupting the run on can lose the values being written. Relearning genuinely follows, which makes the last option a correct description of the consequence. Waiting a minute after shutdown avoids it. Tracing the requirement back to the physical constraint that produces it makes the answer follow. The order in which the effects act is what decides the outcome, so it is worth establishing first. A symptom that appears under one condition and not another is what narrows the diagnosis quickly.

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