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.
Compass Mini-Trip Computer: Description
The Compass Mini-Trip Computer (CMTC) is a module located in the overhead console. On CS vehicle's the CMTC module display screen is located in the instrument cluster.
The Compass Mini-Trip Computer module contains a central processing unit and interfaces with other electronic modules in the vehicle over the Programmable Communications Interface PCI data bus circuit.
The CMTC module uses its internal programming and all of its data inputs to calculate the requested data. This data includes the Tire Pressure Monitoring, Compass information, Universal Transmitter, Average Fuel Economy (AFE), Distance To Empty (DTE) and Distance To Service (DTS).
The compass mini-trip computer module cannot be repaired, and is available for service only as a unit. This unit includes the plastic module. If the CMTC module is faulty or damaged, the complete module must be replaced.
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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.