HandsFreeLink Control Unit

DTC TROUBLESHOOTING INDEX

DTC	Description	DTC type	See
B1750	Communication circuit error (BUS OFF)	Loss of communication	DTC Troubleshooting (see DTC B1050: COMMUNICATION CIRCUIT ERROR (BUS-OFF); DTC B1150: COMMUNICATION CIRCUIT ERROR (BUS-OFF); DTC B1200: COMMUNICATION BUS LINE (BUS-OFF); DTC B1250: COMMUNICATION CIRCUIT ERROR (BUS-OFF); DTC B1600: KEYLESS ACCESS ECU BUS LINE ERROR (BUS-OFF); DTC B1750: COMMUNICATION CIRCUIT ERROR (BUS-OFF); DTC B1800: COMMUNICATION CIRCUIT ERROR (BUS-OFF); DTC B2100: COMMUNICATION CIRCUIT ERROR (BUS-OFF); DTC B2150: COMMUNICATION CIRCUIT ERROR (BUS-OFF); DTC B2200: COMMUNICATION CIRCUIT ERROR (BUS-OFF) )
B1775	Microphone input/output shorted to power	Signal error	DTC Troubleshooting
B1776	Microphone input/output shorted to ground or open	Signal error	DTC Troubleshooting
B1779	HandsFreeLink steering wheel switch failure	Signal error	DTC Troubleshooting
B1780	HandsFreeLink steering wheel switch line short	Signal error	DTC Troubleshooting
B1792	HandsFreeLink control module error	Internal error	DTC Troubleshooting