3.6L (GPEC 5) - DTCS U0121 To U017E

• DTC Troubleshooting
  • U0121 Lost Communication With Abs
    • Theory Of Operation - Braking Systems
    • Component Functional Description - 4 Wire Brake Pedal Position Sensor
    • Component Functional Description - Hydraulic Control Unit (HCU) Assembly
    • Component Functional Description - Wheel Speed Sensors
    • Component Functional Description - Steering Angle Sensor
    • Component 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
  • U0125 Lost Communication With Dynamics Sensor
  • U0129 Lost Communication With Brake System Control Module 1
    • Description And Operation - Braking Systems
    • Component Functional Description - 3 Wire Brake Pedal Position Sensor
    • Component Functional Description - Hydraulic Control Unit (HCU) Assembly
    • Component Functional Description - Wheel Speed Sensors
    • Component Functional Description - Steering Angle Sensor
    • Component Functional Description - Brake System Control Module (BSCM)
    • 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
  • U0140-00 Lost Communication With Body Control Module
  • U0151 Lost Communication With Occupant Restraint Controller
  • U0155 Lost Communication With Cluster/CCN
  • U0164 Lost Communication With HVAC Control Module
  • U0168 Lost Communication With Vehicle Security Control Module
  • U017E Lost Communication With SEATBELT Sensor 1