P0563 Diagnostic Trouble Code Discussion for April 2009
PCM Power Source Circuit Unexpected Voltage
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| Help Request | Posted | |
| 1998 Dodge Ram 2500 5.9L RPM races up VIN: 3B7KF2666W P0563: Charging system volts too high. 98 Dodge Diesel will start to idle up on its own without any throttle input. When it occurs, charging system is at 14 volts, at gauge, at battery and on scan tool BUT the ECM battery volts, on the scan tool, reads up to 22volts and climbs to 30 volts!! At that... |
April 16, 2009 | |
| 1998 Dodge Ram 2500 5.9L RPM races up VIN: 3B7KF2666W P0563: Charging system volts too high. 98 Dodge Diesel will start to idle up on its own without any throttle input. When it occurs, charging system is at 14 volts, at gauge, at battery and on scan tool BUT the ECM battery volts, on the scan tool, reads up to 22volts and climbs to 30 volts!! At that... |
April 21, 2009 |
