Normal Operation
WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
If the Transfer Case Control Module (TCCM) observes an overpower or underpower voltage condition, a DTC is set and all TCCM outputs are turned off.
- DTC P0562:00 (System Voltage Low: No Sub Type Information) - Fault sets when the TCCM detects less than 9 volts of battery voltage for 5 seconds or more at TCCM C2371B pin 7.
- DTC P0563:00 (System Voltage High: No Sub Type Information) - Fault sets when the TCCM detects more than 16 volts of battery voltage for 5 seconds or more at TCCM C2371B pin 7.
This pinpoint test is intended to diagnose the following:
- Fuse
- Wiring, terminals or connectors
- TCCM