P0563 OBD-II: System Voltage High
P0563 Severity
Will P0563 go away on its own?
Once the vehicle's onboard system no longer detects the issue, most codes will disappear on their own. If your vehicle still has this code, however, it should be properly diagnosed to avoid a more serious problem.
For a proper diagnosis, RepairPal Certified shops have the equipment, tools, and expertise.
Moderate severity codes might not threaten the vehicle's safety or functionality immediately, but you should still get it diagnosed within a reasonable time frame to keep your car running well.
What causes OBD-II fault code P0563?
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 P0563.
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What Does P0563 Code Mean?
OBD-II Code P0563 is defined as a System Voltage High
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 P0563.
P0563 Symptoms
- Engine may stall
- Some electrical accessories may not operate - i.e. radio
Common Problems That Trigger the P0563 Code
- Alternator failure
- Battery failure
- Powertrain Control Module (PCM) failure
- Wiring issue
Common Repairs Needed for the P0563 Code
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