DTC Troubleshooting Index

HandsFreeLink Control Unit

DTC TROUBLESHOOTING REFERENCE CHART

DTC	Description	DTC type	See
B1750	Communication bus line error (BUS-off)	Loss of communication	(see DTC B1050: COMMUNICATION BUS LINE ERROR; DTC B1100: COMMUNICATION BUS LINE ERROR; DTC B1150: COMMUNICATION BUS LINE ERROR; DTC B1200: COMMUNICATION BUS LINE ERROR; DTC B1250: COMMUNICATION BUS LINE ERROR; DTC B1750: COMMUNICATION BUS LINE ERROR )
B1775	Microphone input/output shorted to power	Signal error	(see DTC B1775: Microphone Input/Output Short to Power/Open )
B1776	Microphone input/output shorted to ground	Signal error	(see DTC B1776: MICROPHONE INPUT/OUTPUT SHORT TO GROUND/OPEN )
B1779	HandsFreeLink steering wheel switch failure	Signal error	(see DTC B1779: HFL SWITCH OR VOICE CONTROL SWITCH (HFLTALK/HFL BACK BUTTONS) CIRCUIT OPEN/SHORT )
B1780	HandsFreeLink steering wheel switch line short	Signal error	(see DTC B1780: HFL SWITCH (HFLTALK/HFL BACK BUTTONS) CIRCUIT SHORT )
B1792	HandsFreeLink control module error	Internal error	(see DTC B1792: HANDSFREELINK CONTROL UNIT INTERNAL ERROR )