P1606

ECM/TCM Serial Communication Error

DTC P1606, sometimes indicated as P160600 is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the causing ecm/tcm serial communication error.

  • P1606: ECM/TCM Serial Communication Error
  • P1606 00: Engine control module (ECM) - defective

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