System Coverage

SYSTEM COVERAGE
There are two antilock systems used on these trucks: the TRW EBC 125 and EBC 325. EBC 125 (RWAL) is standard, two-wheel rear wheel antilock braking system.

EBC 325 (ABS) is an optional, four-wheel antilock braking system.

Diagnosis of certain Front Control Module (FCM) diagnostic trouble code (DTC) related to the Adjustable Pedals System (APS) relay (if equipped), may not be available.