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 MANUALSCHEVROLET2016EXPRESS 2500 BASE, VAN CARGO, 6.6L ENG VIN LREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTINFOTAINMENTCELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESBLUETOOTH MALFUNCTION (WITH UPF)CIRCUIT/SYSTEM VERIFICATION
2016 Chevrolet Express 2500 Base, Van Cargo, 6.6L Eng VIN L
Circuit/System Verification
2016 Chevrolet Express 2500 Base, Van Cargo, 6.6L Eng VIN LSECTION Circuit/System Verification
- Ignition ON.
- Verify no DTCs are set.
- If any DTCs are set
- If no DTCs are set
- Ignition ON, infotainment system ON.
- Verify the infotainment system successfully pairs with the Multi-Media Interface Tool.
- If the infotainment system does not successfully pair with the Multi-Media Interface Tool.
- Verify the vehicle is equipped with an external Bluetooth® Antenna.
- If not equipped with an external Bluetooth® Antenna, replace the K73 Telematics Communication Interface Control Module
- If equipped with an external Bluetooth® Antenna
- Replace the Bluetooth® Antenna.
- Verify the infotainment system successfully pairs with the Multi-Media Interface Tool.
- If the infotainment system does not successfully pair with the Multi-Media Interface Tool, replace the K73 Telematics Communication Interface Control Module.
- If the infotainment system successfully pairs with the Multi-Media Interface Tool.
- All OK.
- If the infotainment system successfully pairs with the Multi-Media Interface Tool.
- All OK.
NOTE:
The Multi-Media Interface Tool can be used to test either cellular phone or streaming audio functions. Refer to the tool instructions, and perform the appropriate test(s) related to the customers concern in the following steps.
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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.