Engine Code
P0563 - BATTERY SYSTEM HIGHP0563 - Battery System High:
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 DRB III(R), read PCM DTCs.
Q: 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.
- Check for any Technical Service Bulletins that may apply.
Q: 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.