(Electro-Hydraulic Power Steering (EHPS) Module - Electrical Diagnostics)

• Diagnostic Code Index
• Diagnosis And Testing
  • C1587-16-Power Steering Motor Inverter Power Supply - Circuit Voltage Below Threshold
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • C1587-17-Power Steering Motor Inverter Power Supply - Circuit Voltage Above Threshold
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • C15A4-00-Power Steering Assist Inhibited-Vehicle Speed Too High
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • C211B-00-Ignition Run/Start Input
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • C211B-11-Ignition Run/Start Input - Circuit Short To Ground
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • C211B-12-Ignition Run/Start Input - Circuit Short To Battery
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • C2128-00-Ecu Reset/Recovery OCCURED
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • C2129-16-Battery Voltage - Circuit Voltage Below Threshold
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • C2129-17-Battery Voltage-Circuit Voltage Above Threshold
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • C212A-16-System Voltage - Circuit Voltage Below Threshold
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • C212A-17-System Voltage - Circuit Voltage Above Threshold
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • C212A-84-System Voltage - Signal Below Allowable Range
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • C212A-85-System Voltage - Signal Above Allowable Range
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • C2206-00-Vehicle Configuration Mismatch
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • C220D-00-Electrical Powered Hydraulic Steering Module Internal
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • C2210-00-Ecu OVERTEMPERATURE
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • C221F-00-Ecu Not Initialized
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • U0002-00-Can C Bus Off Performance
  • U0100-00-Lost Communication With ECM/Pcm
  • U0121-00-Lost Communication With Anti-Lock Brake System (Abs) Control Module
  • U0126-00-Lost Communication With Steering Angle Sensor
  • U0140-00-Lost Communication With Body Control Module
  • U0155-00-Lost Communication With Cluster-CCN
  • U0401-00-Implausible Data Received From ECM/Pcm
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • U0415-00-Implausible Data Received From Abs
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • U0428-00-Implausible Data Received From Steering Angle Sensor Module
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • U1601-00-Ecu Application Software Code 1 Missing Or Corrupted
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • U160B-00-Ecu Boot Software 1 Missing Or Corrupted
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
• Standard Procedure
  • Standard Procedure - EHPS Verification Test
    • Notes
    • EHPS Verification Test