Enabling Conditions

WARNING: This page is about a different car, the 2003 Ford Pickup, 2003 Ford F550 Super Duty, 2003 Ford F450 Super Duty, 2003 Ford Excursion, and 2003 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

Parking brake must be set, transmission in Park (A/T) or Neutral (M/T) and clutch pedal released. Service brake, accelerator pedal and brakelights must be functional. To operate system with hazard flashers, hi-mount brakelight circuit must be complete and operational.

The following error codes are displayed from APCM only:

AErr

Indicates an internal APCM fault.

CErr

Indicates that one or both BUS circuits are open or shorted.

CrSd

Indicates a fault on BUS circuits or internal APCM fault.

EErr

Indicates an internal APCM fault.

Identify APCM error code and perform appropriate procedure or test step:

If APCM is inoperative at all times, go to step 1).
If APCM is inoperative with hazard flashers, go to step 7).
If APCM error code CErr or CrSD is displayed, go to step 5).
If APCM error code EErr or AErr is displayed, replace APCM.