Powertrain

P0600 - MALFUNCTION OF THE SERIAL COMMUNICATION LINK

Table Of Contents

    Description of DTC code P0600 Generic

    DTC code P0600 OBD2 indicates a malfunction in the wiring link between the Engine Control Module (ECM) and one of its supporting control modules, i.e. the ECM has lost control over one or more of the actuator modules. Generally, vehicles have up to 18 actuators controlled by the ECM. For this, a Control Area Network (CAN) is used, this is a series of cables connected from the ECM to the controllers.

    The controllers operated by the ECM are responsible for controlling most vehicle functions. If the P0600 code has been set, it is because of a loss of control communication that has occurred over one or more of these modules during eight consecutive starts.

    Symptoms of fault code P0600 Generic

    • The engine light is on.
    • Other codes may accompany the P0600.
    • Anti-lock braking system (ABS) light on.
    • In case the transmission has problems when changing, the transmission light comes on.
    • It increases fuel consumption.
    • Idle driving problems.
    • Instability in acceleration.

    Causes of OBD2 P0600 Generic

    The configuration of the diagnostic code P0600 OBDII occurs due to:

    • There may be a poor connection or a defective ECM
    • Some connectors may be loose or corroded. Also, a bad cable is a cause for the establishment of this code.
    • Problems in the ground circuit.
    • One of the cables of the CAN (Control Area Network) may be defective.

    Possible solutions of the DTC code P0600 Generic

    To solve the problems of the fault code P0600 OBD2, you must do the following:

    • Check all electrical connections. If you find that one of them has problems, repair it.
    • Inspect all cables and connectors on the ECM. Repair or replace as necessary.
    • It performs a diagnosis and proceeds to repair the cause of a low battery voltage.

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