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P0563 Isuzu Code - System Voltage High

- Code Popularity: 9,130 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0563 Isuzu?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Battery defective
  • Loose or missing alternator drive belt
  • Faulty alternator
  • Open or short system voltage circuit
⚠ Does your Isuzu have Safety Recalls? → Check here

How to Fix the DTC P0563 Isuzu?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

Higher than expected voltage problems are most likely caused by bad voltage regulator. The voltage regulator is part of the alternator.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0563 Isuzu code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

When is the Code Detected?

The Engine Control Module (ECM) has detected that the electrical system voltage level is out of range.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P0563 Isuzu Description

The battery supplies electricity to the Engine Control Module (ECM) even when the ignition switch is OFF. This electricity allows the ECM to store data such as Diagnostic Trouble Code (DTC) history, freeze frame data, fuel trim values and other data. If the battery voltage falls below a minimum level, the ECM will conclude that there is a fault in the power supply circuit. The next time the engine starts, the ECM will turn on the Malfunction Indicator Light (MIL) and a DTC will be set.

OBDII Code P0563 Isuzu - System Voltage High - AutoCodes.com
P0563 Isuzu Code - System Voltage High

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Code P0563 Isuzu comments

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