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What Does P0561 Code Mean?

    OBD-II Code P0561 is defined as a System Voltage Unstable

    The Charging System maintains an ideal vehicle voltage level when the engine is running. If the battery voltage drops below 10 volts, the engine control module (PCM) will set code P0561.

    P0561 Symptoms

    • Engine may stall
    • Some electrical accessories may not operate - i.e. radio

    Common Problems That Trigger the P0561 Code

    • Alternator failure
    • Battery failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue

    Common Repairs Needed for the P0561 Code

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