(Global Telematics Box Module - Electrical Diagnostics)

• Diagnostic Code Index
• DTC Troubleshooting
  • B1401-11-Emergency Call Speaker-Circuit Short To Ground
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1401-12-Emergency Call Speaker-Circuit Short To Battery
    • Notes
    • Theory Of Operation
    • Diagnostic Test
  • B1401-13-Emergency Call Speaker-Circuit Open
    • Notes
    • Theory Of Operation
    • Diagnostic Test
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
  • B1401-2B-Emergency Call Speaker-Wires Shorted Together
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B143A-11-Microphone 1-Circuit Short To Ground
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B143A-12-Microphone 1-Circuit Short To Battery
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B143A-13-Microphone 1-Circuit Open
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B143A-2B-Microphone 1-Wires Shorted Together
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B143D-11-Microphone 2 - Circuit Short To Ground
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B143D-12-Microphone 2 - Circuit Short To Battery
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B143D-13 Microphone 2 - Circuit Open
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B143D-2B-Microphone 2 - Wires Shorted Together
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1552-11-Emergency Call Button-Circuit Short To Ground
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1552-15-Emergency Call Button-Circuit Short To Battery Or Open
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1552-2A-Emergency Call Button-Stuck
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1553-11-Road Assist Call Button-Circuit Short To Ground
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1553-15-Road Assist Call Button-Circuit Short To Battery Or Open
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1553-2A-Road Assist Button - Stuck
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1555-11-Emergency Call Button Backlight Led Control-Circuit Short To Ground
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1555-15-Emergency Call Button Backlight Led Control-Circuit Short To Battery Or Open
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1556-11-Red Emergency Call Led Control-Circuit Short To Ground
    • Notes
    • Led Emergency Light Behavior
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1556-15-Red Emergency Call Led Control-Circuit Short To Battery Or Open
    • Notes
    • Led Emergency Light Behavior
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1557-11-Green Emergency Call Led Control-Circuit Short To Ground
    • Notes
    • Led Emergency Light Behavior
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1557-15-Green Emergency Call Led Control-Circuit Short To Battery Or Open
    • Notes
    • Led Emergency Light Behavior
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1560-11-Cellular Antenna 1-Circuit Short To Ground
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1560-13-Cellular Antenna 1-Circuit Open
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1561-11-Cellular Antenna 2-Circuit Short To Ground
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1561-13-Cellular Antenna 2-Circuit Open
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1562-14-GPS Antenna-Circuit Short To Ground Or Open
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1565-11 Red Road Assist Call Led Control Circuit Short To Ground
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1565-15 Red Road Assist Call Led Control Circuit Short To Battery Or Open
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1566-11 Green Road Assist Call Led Control Circuit Short To Ground
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1566-15 Green Road Assist Call Led Control Circuit Short To Battery Or Open
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1569-11-Red Road Assist Call Led Control-Circuit Short To Ground
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1569-15-Red Road Assist Call Led Control-Circuit Short To Battery Or Open
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B156A-11-Green Road Assist Call Led Control-Circuit Short To Ground
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B156A-15-Green Road Assist Call Led Control-Circuit Short To Battery Or Open
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1570-93-USB Communication-No Operation
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1E21-16-Backup Battery-Circuit Voltage Below Threshold
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1E21-96-Backup Battery-Component Internal Failure
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B210D-16-Battery Voltage Low-Circuit Voltage Below Threshold
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B210E-17-Battery Voltage High-Circuit Voltage Above Threshold
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B2206-00-Current VIN Missing-Mismatch
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B222C-00-Vehicle Configuration Not Programmed
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B22A9-96-Ecu Internal Performance-Component Internal Failure
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B273C-87-Digital Crash Input-Missing Message
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • U0001-00-Can C Bus
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • U0002-00-Can C Bus Off Performance
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • U0010-00-Can Interior Bus
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • U0011-00-Can Interior Bus Off Performance
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • U0100-00-Lost Communication With ECM/Pcm "A"
  • U0129-00-Lost Communication With Brake System Control Module
  • U0140-00-Lost Communication With Body Control Module
  • U0151-00-Lost Communication With Occupant Restraint Controller (Orc)
  • U0155-00-Lost Communication With Cluster-CCN
  • U0184-00-Lost Communication With Radio
  • U0401-86-Implausible Data Received From ECM/Pcm "A"-Signal Invalid
  • U0418-64-Implausible Data Received From Brake System Control Module 1-Signal Plausibility Failure
  • U0418-86-Implausible Data Received From Brake System Control Module 1-Signal Invalid
  • U0422-86-Implausible Data Received From Body Control Module-Signal Invalid
  • U0423-86-Implausible Data Received From Cluster/CCN-Signal Invalid
  • U0452-64-Implausible Data Received From Restraints Control Module-Signal Plausibility Failure
  • U0452-86-Implausible Data Received From Restraints Control Module-Signal Invalid
  • U0485-64-Implausible Data Received From Radio-Signal Plausibility Failure
  • U0485-86-Implausible Data Received From Radio-Signal Invalid
  • U1930-86 Ecu Operational Mode Status Internal Signal Signal Invalid
  • U1933-87 Lost Communication With BCM (Can Message Status BH_BCM1 Missing From Body Control Module) Missing Message
  • U1934-87 Lost Communication With BCM (Can Messages Status BH_BCM1 And Status_Status_BH_BCM2 Missing From Body Control Module) Missing Message
  • U1952-83 Implausible Data Received From Brake System Module (Can Message Brake1 Integrity Error) Value Of Signal Protection Calculation Incorrect
  • U196A-83 Implausible Data Received From Occupant Restraint Control (Can Message Impact_Info Integrity Error) Value Of Signal Protection Calculation Incorrect