Engine Code
(P0563) BATTERY SYSTEM HIGHWhen Monitored and Set Condition
^ When Monitored: 180 seconds after the engine is started.
^ Set Condition: The voltage supply at the Powertrain Control Module (PCM) is greater than 16.5 volts for at least 5 seconds.
POSSIBLE CAUSES
- CHARGING SYSTEM
- POWERTRAIN CONTROL MODULE
Diagnostic Test
1. CHECK FOR CURRENT DTC
Turn the ignition on. With the DRBIII, read PCM DTCs.
Is this DTC present?
Yes >> For complete diagnosis of this DTC, refer to (P0561) BATTERY SYSTEM VOLTAGE. P0561
No >> Go To 2
2. INTERMITTENT WIRING AND CONNECTORS
The conditions necessary to set this DTC are not present at this time.
Note: Check connectors - Clean/repair as necessary. Poor pin to terminal connections can set DTCs. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors specific to this DTC. Wiggle the wires while checking for shorts and open circuits.
Note: Check for any Technical Service Bulletins that may apply.
Were there any problems found?
Yes >> Repair as necessary. Perform POWERTRAIN VERIFICATION TEST - VER 2 Powertrain Verification Test - Ver 2.
No >> The condition that caused this DTC to set is currently not present. Inspect the related wiring harness for a possible intermittent condition.