Pinpoint Test F: Diagnostic Trouble Code (DTC) 4 - Grounded/Open RABS Valve Reset Switch Circuit
WARNING: This page is about a different car, the 2002 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Records maintained by the manufacturer show that a module replacement rarely corrects DTC 4.
Fig 1: Pinpoint Test F: Diagnostic Trouble Code (DTC) 4 - Grounded/Open RABS Valve Reset Switch Circuit Chart (F1 & F2)