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DTC P0622 > < DTC P0562

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DTC P0563

Diagnostic Instructions

•  Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
•  Review Strategy Based Diagnosis for an overview of the diagnostic approach.
•  Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptor

DTC P0563: System Voltage High

Diagnostic Fault Information



Circuit
Short to Ground
Open/High Resistance
Short to Voltage
Signal Performance

B+
P0562
P0562
-
P0560

Ground
-
P0562
-
P0560
 

Circuit/System Description

The following control modules monitor the system voltage to ensure that the voltage stays within the proper range:

•  Engine control module
•  Fuel pump control module
•  Transmission control module

Damage to components, and incorrect data may occur when the voltage is out of range.

Conditions for Running the DTC

Engine Control Module

•  The vehicle speed is above 8 km/h (5 mph).
•  The system voltage is between 9.5-18 V.

Fuel Pump Control Module

The ignition is ON.

Transmission Control Module

The system voltage is between 8.6-18.0 V.

Conditions for Setting the DTC

Engine Control Module

The engine control module detects a system voltage above 16 V for less than 1 second.

Fuel Pump Control Module or Transmission Control Module

The module detects the system voltage is greater than 18 V.

Action Taken When the DTC Sets

DTC P0563 is a C type DTC.

Conditions for Clearing the DTC

DTC P0563 is a C type DTC.

Diagnostic Aids

•  A possible cause of this DTC could be overcharging with a battery charger or jump starting.
•  A high voltage value in multiple modules indicates a concern in the charging system.

Reference Information


Schematic Reference

•  Engine Controls Schematics for the 1.3L (LSF)
•  Engine Controls Schematics for the 1.4L (LDD or LUJ)
•  Engine Controls Schematics for the 1.6L (LDE, LLU, or LXV)
•  Engine Controls Schematics for the 1.7L diesel (LPL or LPV)
•  Engine Controls Schematics for the 2.0L diesel
•  Automatic Transmission Controls Schematics for the AF40-6 transmission
•  Automatic Transmission Controls Schematics for the 6T30/6T40/6T45 transmission

Connector End View Reference

Component Connector End Views


Description and Operation

Charging System Description and Operation


Electrical Information Reference


DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions


Scan Tool Reference

Control Module References for scan tool information

Circuit/System Verification

1. Engine running, accessories OFF, measure and record the battery voltage at the battery terminals. The voltage should be between 12.6 and 15.0 V.
⇒ If not within the specified range, refer to Charging System Test .
2. Engine running, observe the scan tool of the appropriate control module Ignition 1 signal parameter. The voltage should be between 12.6 and 15.0 V.
⇒ If not within the specified range, replace the appropriate control module.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References for the appropriate control module replacement, setup, and programming

DTC P0622 > < DTC P0562