(Audio (Radio) - Electrical Diagnostics)

• Diagnostic Code Index
• DTC Troubleshooting
  • B1400-11-Front Left Audio Speaker Output-Circuit Short To Ground - Premium
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1400-12-Front Left Audio Speaker Output-Circuit Short To Battery - Premium
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1400-13-Front Left Audio Speaker Output-Circuit Open - Premium
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1400-1A-Front Left Audio Speaker Output-Circuit Resistance Below Threshold - Premium
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1400-92-Front Left Audio Speaker Output-Performance Or Incorrect Operation
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1404-11-Front Right Audio Speaker Output-Circuit Short To Ground - Premium
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1404-12-Front Right Audio Speaker Output-Circuit Short To Battery - Premium
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1404-13-Front Right Audio Speaker Output-Circuit Open - Premium
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1404-1A-Front Right Audio Speaker Output-Circuit Resistance Below Threshold - Premium
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1404-92-Front Right Audio Speaker Output-Performance Or Incorrect Operation
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1408-11-Rear Left Audio Speaker Output-Circuit Short To Ground - Premium
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1408-12-Rear Left Audio Speaker Output-Circuit Short To Battery - Premium
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1408-13-Rear Left Audio Speaker Output-Circuit Open - Premium
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1408-1A-Rear Left Audio Speaker Output-Circuit Resistance Below Threshold - Premium
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1408-92-Rear Left Audio Speaker Output-Performance Or Incorrect Operation
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B140C-11-Rear Right Audio Speaker Output-Circuit Short To Ground - Premium
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B140C-12-Rear Right Audio Speaker Output-Circuit Short To Battery - Premium
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B140C-13-Rear Right Audio Speaker Output-Circuit Open - Premium
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B140C-1A-Rear Right Audio Speaker Output - Circuit Resistance Below Threshold - Premium
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B140C-92-Rear Right Audio Speaker Output-Performance Or Incorrect Operation
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1421-71-Audio Cd Read Error/Inoperable Disc - Actuator Stuck
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B142A-4B-Radio Unit High Temperature - Over Temperature
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1431-11 BLUETOOTH Antenna - Circuit Short To Ground
    • Notes
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1431-13 BLUETOOTH Antenna - Circuit Open
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B143A-11-Microphone 1 - Circuit Short To Ground
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B143A-12-Microphone 1 - Circuit Short To Battery
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B143A-13-Microphone 1 - Circuit Open
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B143A-1A-Microphone 1 - Circuit Resistance Below Threshold
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B143D-11 - Microphone 2-Circuit Short To Ground
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B143D-12-Microphone 2 - Circuit Short To Battery
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B143D-13-Microphone 2 - Circuit Open
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B143D-1A-Microphone 2 - Circuit Resistance Below Threshold
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1488-00-Cabin Eq Mismatch Performance
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B14DA-2A Head Unit Button - Stuck
    • Notes
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1552-2A-Emergency Call Button-Stuck
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1553-2A-Road Assist Button-Stuck
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1560-11-Cellular Antenna 1-Circuit Short To Ground
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1560-13-Cellular Antenna 1-Circuit Open
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1562-11-GPS Antenna - Circuit Short To Ground
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1562-12 GPS Antenna - Circuit Short To Battery
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1562-13-GPS Antenna - Circuit Open
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1562-1A-GPS Antenna-Circuit Resistance Below Threshold
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B156B-13-Satellite Radio Antenna - Circuit Open
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B156B-1A-Satellite Radio Antenna - Circuit Resistance Below Threshold
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1570-19-USB Communication - OVERCURRENT
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1577-13-Universal Consumer Interface (UCI) - Circuit Open
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1578-13-Am/Fm Antenna - Circuit Open
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1578-1A-Am/Fm Audio Antenna - Circuit Resistance Below Threshold
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1579-13 Diversity Antenna - Circuit Open
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1579-1A Diversity Antenna - Circuit Resistance Below Threshold
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B157A-13 Dab Antenna - Circuit Open
    • Notes
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B157A-1A Dab Antenna - Circuit Resistance Below Threshold
    • Notes
    • When Monitored And Set Conditions
    • Diagnostic Test
  • B157E-00-Touch Screen Locked
    • Notes
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B210A-16-System Voltage Low - Circuit Voltage Below Threshold
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B210B-17-System Voltage High-Circuit Voltage Above Threshold
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B2206-00-Current VIN Missing/Mismatch
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B221E-00-Radio Internal
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B222C-00-Vehicle Configuration Not Programmed
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B223B-00-Vehicle Configuration Mismatch
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B280B-00-Rear Camera Video Input
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • U0001-87-C1 Can Bus-Missing Message
  • U0001-88-C1 Can Bus-Bus Off
  • U0010-87-BH Can-Missing Message
  • U0010-88-BH Can Bus-Bus Off
  • U0019-87-B Can-Missing Message
  • U0019-88-B Can-Bus Off
  • U0100-87-Lost Communication With Engine Control Module-Missing Message
  • U0140-87-Lost Communication With Body Control Module
  • U0140-8F Lost Communication With Body Control Module - Erratic
  • U0155-87 Lost Communication With Cluster/CCN - Missing Message
  • U0155-8F Lost Communication With Cluster/CCN - Erratic
  • U0159-87 Lost Communication With Parking Assist Module - Missing Message
  • U0186-00-Lost Communication With Audio Amplifier
  • U0187-00 - Lost Communication With DVD Player
  • U0422-86-Invalid Data Received From Body Control Module-Signal Invalid
  • U0549-86-Remote Request-Signal Invalid
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • U1193-87 Lost Communication With Driver Side Blind Spot Sensor - Missing Message
  • U1194-87 Lost Communication With Passenger Side Blind Spot Sensor - Missing Message
  • U1930-86 Operational Mode Status Internal - Signal Invalid
  • U1932-86 Operational Mode Status Can Signal - Signal Invalid