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.
Component Description: RTM
The RTM communicates all RKE and passive key information to the BCM over a K-LINE circuit and when awake, the MS-CAN. The RTM is an antenna that receives the high frequency signals from passive keys. For additional information:
- Refer to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description .
- Refer to: Glass, Frames and Mechanisms - System Operation and Component Description .
- Refer to: Rear View Mirrors - System Operation and Component Description .
The RTM requires PMI when replaced.
For additional information, Refer to: Module Programming .
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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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