(Audio (Radio) - Electrical Diagnostics - 500L)

• Diagnostic Code Index
• DTC Troubleshooting
  • B1400-11 - Front Left Audio Speaker Output - Circuit Short To Ground
    • 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
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1400-13 - Front Left Audio Speaker Output - Circuit Open
    • 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
    • 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
    • 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
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1404-13 - Front Right Audio Speaker Output - Circuit Open
    • 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
    • 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
    • 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
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1408-13 - Rear Left Audio Speaker Output - Circuit Open
    • 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
    • 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
    • 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
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B140C-13 - Rear Right Audio Speaker Output - Circuit Open
    • 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
    • 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
  • B142A-4B - Radio Unit High Temperature - Over Temperature
    • When Monitored
    • Set Condition
    • Default Action
    • 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
  • 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
    • Notes
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1553-2A - Road Assist Button-Stuck
    • Notes
    • 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
  • B1562-13 - 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
  • B1577-13 - Universal Consumer Interface (UCI) - Circuit Open
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1570-19 - USB Communication - OVERCURRENT
    • 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
  • B157A-13 - Dab Antenna - Circuit Open
    • Notes
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1579-1A - Diversity Antenna - Circuit Resistance Below Threshold
    • When Monitored
    • Set Condition
    • 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
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • U0010-87 - BH Can - Missing Message
  • U0010-88 - Can BH Bus - Bus Off
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • 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
  • U0186-00 - Lost Communication With Audio Amplifier
  • 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