2.0L - DTCS U0103 To U017E

• DTC Troubleshooting
  • U0103 Lost Communication With Electric Gear Shift Module
  • U0109 Lost Communication With Fuel Pump Control Module
    • Known Issues - FPCM System
    • System Operation - FPCM
    • Functional Description- Fuel Pump Control Module (FPCM) And Fuel Pump
    • Functional Description - Powertrain Control Module (Pcm)
    • Technical Data - Fuel System Pressure Specifications
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Overview - Fuel Pump Control Module
    • Preliminary Diagnostic Checks
    • Check For An Active Or Intermittent Condition
    • Diagnostic Test - Communication And FPCM Internal Faults (P1205, P120A, U0109, U016C)
    • Powertrain Verification Test
  • U0121 Lost Communication With Abs
    • Theory Of Operation - Braking Systems
    • Functional Description - 4 Wire Brake Pedal Position Sensor
    • Functional Description - Hydraulic Control Unit (HCU) Assembly
    • Functional Description - Wheel Speed Sensors
    • Functional Description - Steering Angle Sensor
    • Functional Description - Anti-Lock Brake System Control Module (Abs)
    • Technical Data - Braking System Messages
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Overview
    • Check For An Active Or Intermittent Condition
    • Diagnostic Test - Non-EBOOSTER Brake System - Pcm
    • Diagnostic Test Wheel Speed Sensor Faults
  • U0128 Lost Communication With Park Brake Control Module
  • U0129 Lost Communication With Brake System Control Module 1
    • Theory Of Operation - Braking Systems
    • Functional Description - 4 Wire Brake Pedal Position Sensor
    • Functional Description - Hydraulic Control Unit (HCU) Assembly
    • Functional Description - Wheel Speed Sensors
    • Functional Description - Steering Angle Sensor
    • Functional Description - Anti-Lock Brake System Control Module (Abs)
    • Technical Data - Braking System Messages
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Overview
    • Check For An Active Or Intermittent Condition
    • Diagnostic Test - Non-EBOOSTER Brake System - Pcm
    • Diagnostic Test Wheel Speed Sensor Faults
  • U012D Lost Communication With Alternator Control Module
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • U0140 Lost Communication With Body Control Module
  • U0151 Lost Communication With Occupant Restraint Controller
  • U0155 Lost Communication With Cluster/CCN
  • U0168 Lost Communication With Vehicle Security Control Module
  • U017E Lost Communication With SEATBELT Sensor 1