(Trailer Tow Module - Electrical Diagnostics)

• Diagnostic Code Index
• Diagnosis And Testing
  • B166A-11-Left Trailer Tow Lamp Control - Circuit Short To Ground
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B166A-12-Left Trailer Tow Lamp Control - Circuit Short To Battery
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B166A-13-Left Trailer Tow Lamp Control - Circuit Open
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B166E-11-Right Trailer Tow Lamp Control - Circuit Short To Ground
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B166E-12-Right Trailer Tow Lamp Control - Circuit Short To Battery
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B166E-13-Right Trailer Tow Lamp Control - Circuit Open
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B16BB-11-Trailer Stop Lamp Control - Circuit Short To Ground
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B16BB-12-Trailer Stop Lamp Control - Circuit Short To Battery
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B16BB-13-Trailer Stop Lamp Control - Circuit Open
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B17AD-11-Rear Left Trailer Turn Lamp Control - Circuit Short To Ground
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B17AD-12-Rear Left Trailer Turn Lamp Control - Circuit Short To Battery
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B17AD-13-Rear Left Trailer Turn Lamp Control - Circuit Open
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B17B1-11-Rear Right Trailer Turn Lamp Control - Circuit Short To Ground
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B17B1-12-Rear Right Trailer Turn Lamp Control - Circuit Short To Battery
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B17B1-13-Rear Right Trailer Turn Lamp Control - Circuit Open
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B17C5-11-Trailer Tow Reverse Lamp Control - Circuit Short To Ground
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B17C5-12-Trailer Tow Reverse Lamp Control - Circuit Short To Battery
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B17C5-13-Trailer Tow Reverse Lamp Control - Circuit Open
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B17C9-11-Trailer Tow Rear Fog Lamp Control - Circuit Short To Ground
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B17C9-12-Trailer Tow Rear Fog Lamp Control - Circuit Short To Battery
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B17C9-13-Trailer Tow Rear Fog Lamp Control - Circuit Open
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B22A9-00-Ecu Internal Performance
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B235C-64-Trailer Connection - Signal Plausibility Failure
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • C10CB-8F-Vehicle Speed Output - Erratic
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • 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
  • U0140-00-Lost Communication With Body Control Module
  • U0155-00-Lost Communication With Cluster-CCN
  • U0422-00-Implausible Data Received From Body Control Module
  • U0423-00-Implausible Data Received From Cluster-CCN
• Standard Procedure
  • TTM Verification Test
    • Diagnostic Test