Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Description & Operation
The module communications network provides the capability for module-to-module communication by sharing inputs and outputs instead of each component having an input and output wired directly to each module. A BUS which consists of a pair of twisted wires is used to transfer information between modules. The BUS consists of a (+) circuit No. 914 and a (-) circuit No. 915. The BUS is routed only to the Powertrain Control Module (PCM). For module locations, see COMPONENT LOCATIONS TABLE. In the event that a system failure exists, a Diagnostic Trouble Code (DTC) will be stored in the module. A New Generation Star (NGS) scan tester and Data Link Connector (DLC) may be used for retrieving and clearing DTCs from the modules. DTC may be used for system diagnosis.
| Component | Location | ||
|---|---|---|---|
| Anti-Lock Brake (ABS) Module | Under Front Passenger's Seat | ||
| Data Link Connector (DLC) | Below Driver's Side Of Instrument Panel, To Left Of Steering Column | ||
| Remote Anti-Theft Personality (RAP) Module | (1) | ||
| Powertrain Control Module (PCM) | Under Center Console | ||
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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