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.
SELECT MODULE Menu
Menu will display BODY COMPUTER, ELECTRONIC CLUSTER, ELECTRO/MECHANICAL CLUSTER, ENGINE NODE, AUTOMATIC TEMPERATURE CTRL, INFO SYSTEMS (i.e. EVIC, traveler, compass/temperature, compass/mini-trip, or OTIS or BODY SYSTEM TESTS. Select appropriate component/system to be tested. DRB will then display a menu for specific component/system being tested. The following functions can be accessed from each component/system menu:
- SYSTEM TESTS
This function allows the technician to determine whether Powertrain Control Module (PCM) is active over the CCD bus.
- READ FAULTS
This functions allows technician to read trouble codes.
- STATE DISPLAY
This functions allows technician to read states or values of a variety of sensors, inputs, outputs and components.
- ACTUATOR TESTS
This function allows technician to activate various outputs, motors and relays to test their operation.
- ADJUSTMENTS
This function allows technician to change Vehicle Theft Security System (VTSS) mode from disarmed to armed or to put VTSS in self-diagnostics mode. Adjustments function is not available for testing of other body control modules.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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