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 MANUALSACURA2018TLX BASE, 2.4L ENGREPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSHANDSFREELINK SYSTEM - DIAGNOSTICSDTC TROUBLESHOOTINGDTC B1792: HANDSFREELINK CONTROL MODULE ERROR
2018 Acura TLX Base, 2.4L Eng
DTC B1792: HandsFreeLink Control Module Error
2018 Acura TLX Base, 2.4L EngSECTION DTC B1792: HandsFreeLink Control Module Error
NOTE:
- Check the vehicle 12 volt battery condition first - Refer to: 12 Volt Battery Test (Without SH-AWD) or 12 Volt Battery Test (With SH-AWD) .
- Before you troubleshoot, make sure to follow the General Troubleshooting Information .
- Problem verification
-1. Check for HFL DTCs.
Is DTC B1792 indicated?
YES: Without AcuraLink
Replace the HandsFreeLink control unit .
YES: With AcuraLink
Replace the telematics control unit .
NO
Intermittent failure, the system is OK at this time.
RENDER: 1.0x
NO RELATED
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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.