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Hands Free Module (HFM) - Electrical Diagnostics

DTC Description
B1438 VOICE RECOGNITION SWITCH STUCK
B1439 PHONE SWITCH STUCK
B143B MICROPHONE 1 CIRCUIT LOW
B143C MICROPHONE 1 CIRCUIT HIGH
B143E MICROPHONE 2 CIRCUIT LOW
B143F MICROPHONE 2 CIRCUIT HIGH
B2205 ORIGINAL VIN MISSING/MISMATCH
B222A VEHICLE LINE MISMATCH
B222E FLASH CHECKSUM PERFORMANCE
B2223 (HFM) HANDS FREE PHONE INTERNAL
B2230 RAM WRITE PERFORMANCE
U0019 CAN B BUS
U0141 LOST COMMUNICATION WITH IPM (FCM/TIPM)
U0151 LOST COMMUNICATION WITH OCCUPANT RESTRAINT CONTROLLER (ORC)
U0155 LOST COMMUNICATION WITH CLUSTER/CCN
U0164 LOST COMMUNICATION WITH HVAC CONTROL MODULE
U0167 LOST COMMUNICATION WITH INTRUSION TRANSCEIVER CONTROL MODULE
U0168 LOST COMMUNICATION WITH VEHICLE SECURITY CONTROL MODULE (SKREEM/WCM)
U0184 LOST COMMUNICATION WITH RADIO
U0186 LOST COMMUNICATION WITH AUDIO AMPLIFIER
U0196 LOST COMMUNICATION WITH VEHICLE ENTERTAINMENT CONTROL MODULE
U0199 LOST COMMUNICATION WITH DRIVER DOOR MODULE
U0200 LOST COMMUNICATION WITH PASSENGER DOOR MODULE