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.
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HOMESERVICE MANUALSDODGE AND RAM1996CARAVAN V6-229 3.8LREPAIR AND DIAGNOSISBODY AND FRAMEBODY CONTROL SYSTEMSBODY CONTROL MODULEDESCRIPTION AND OPERATIONCOMPASS MINI-TRIP COMPUTER (CMTC)
1996 Dodge and Ram Caravan V6-229 3.8L
Compass Mini-Trip Computer (CMTC)
1996 Dodge and Ram Caravan V6-229 3.8LSECTION Compass Mini-Trip Computer (CMTC)
The Compass/Mini-Trip Computer (CMTC) is located in the overhead console. It displays to the driver the direction the vehicle is traveling and the current outside temperature, as well as the following traveler navigational information:
- Average Fuel Economy (AVG ECO)
- Distance To Empty (DTE)
- Instantaneous Fuel Economy (ECO)
- Elapsed Time (ET)
- Trip Odometer (ODO).
The information needed for the traveler functions is received over the CCD bus from the body control module.
NOTE: If the compass mini-trip computer has been replaced, it may be necessary to reset the calibration.
- Average Fuel Economy (AVG ECO)
- Distance To Empty (DTE)
- Instantaneous Fuel Economy (ECO)
- Elapsed Time (ET)
- Trip Odometer (ODO).
The information needed for the traveler functions is received over the CCD bus from the body control module.
NOTE: If the compass mini-trip computer has been replaced, it may be necessary to reset the calibration.
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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.