(Global Telematics Box Module - Electrical Diagnostics)

• Diagnostic Code Index
• DTC Troubleshooting
  • 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
    • 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
    • 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
    • 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
    • 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
  • 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
    • Notes
    • 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
  • B21DD-84 - System Voltage-Signal Below Allowable Range
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B21DD-85 - System Voltage-Signal Above Allowable Range
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B222C-00 - Vehicle Configuration Not Programmed
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B22A9-96-Ecu Internal Performance-Component Internal Failure
    • Notes
    • 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
  • U0001-87-C Can-Missing Message
  • U0002-88-Can C Bus Off Performance-Bus Off
  • U0010-87-Can Interior Bus-Missing Message
  • U0010-88-Can Interior Bus-Bus Off
  • U0100-87-Lost Communication With ECM/Pcm "A"-Missing Message
  • U0129-87-Lost Communication With Brake System Control Module 1-Missing Message
  • U0140-87 - Can Communication With Body Control Module - Missing Message
  • U0151-87 - Can Communication With Occupant Restraint Control - Missing Message
  • U0155-87-Lost Communication With Cluster/CCN-Missing Message
  • U0184-87-Lost Communication With Radio-Missing Message
  • 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
  • U1932-86-Ignition Working Condition From Body Computer Module Not Valid - Signal Invalid
  • U3033-00-Control Module Security Certificate Missing/Invalid