Fault codes › P0563

P0563

System Voltage High

Generic code Vehicle Speed and Idle Control System High severity Hard repair
Free on OBD DashX

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See P0563 on OBD DashX No sign-up needed · available in 10 languages

iWhat P0563 means

  • The fault code P0559 indicates that the system voltage is way above the normal limit

!Possible symptoms

  • Check Engine Light (CEL) illuminated
  • Abnormal or fluctuating gauge readings (such as voltage or battery charge)
  • Electrical system malfunctions or irregularities
  • Potential damage to electrical components

?Possible causes

  • Faulty battery or alternator
  • Overcharging of the electrical system
  • Open or short circuit in the charging system
  • Faulty voltage regulator
  • Faulty engine control module (ECM)

⚙Related parts

  • Battery:

✓Possible solutions

  • Test and replace the faulty battery or alternator, if necessary
  • Check for any open or short circuits in the charging system and repair as needed
  • Inspect and replace the faulty voltage regulator, if necessary
  • Test and replace the engine control module (ECM) if it is determined to be faulty
  • Ensure proper grounding and electrical connections in the charging system
Free on OBD DashX

P0563 on OBD DashX

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