Not Receiving Bus Messages Correctly
WARNING: This page is about a different car, the 1999 Dodge Pickup and 1999 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For connector terminal identification and wiring diagrams, see
BODY CONTROL COMPUTER - INTRODUCTION article. Perform VERIFICATION TEST VER-1
after each repair.
CAUTION:
Always turn ignition off prior to disconnecting any module connector.
- Disconnect anti-lock brake controller module. Controller module is mounted to top of ABS hydraulic unit. Turn ignition on. If scan tool displays BUS OPERATIONAL, replace anti-lock brake controller module. If scan tool does not display BUS OPERATIONAL, go to next step.
- Turn ignition off and wait 2 minutes. Disconnect Air Bag Control Module (ACM). ACM is located under center of instrument panel. Turn ignition on. If scan tool displays BUS OPERATIONAL, replace ACM. If scan tool does not display BUS OPERATIONAL, go to next step.
- Disconnect Central Timer Module (CTM). CTM is located under left side of instrument panel. Turn ignition on. If scan tool displays BUS OPERATIONAL, replace CTM. If scan tool does not display BUS OPERATIONAL, replace scan tool cable or scan tool.