P0563
Read the instructions below then
start the fault diagnostic procedure.
Symptom: CHECK ENGINE.
System Voltage High.
Fault symptoms
On-Board Diagnostics
Type of diagnosis:
Enable criteria:
Fault criteria:
-
|
When system voltage is more than 20 V for more than 2.1 s.
|
Dependents:
System reaction to a fault:
OK report:
-
|
When system voltage is less than 20 V for more than 2.1 s.
|
Fault handling:
(See section
Fault handling III, other emissions-related components and functions
for more information)
Diagnostic help
This diagnosis is a check of the control module's internal measuring circuit. If a DTC is generated, it indicates that the measuring circuit is not working.
Check battery status following
Battery check
.
Checking the wiring
Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short circuits. Observe the multimeter, diagnostic tool or test lamp during the check.