Section 28 (Battery Pack Control Module (BPCM) - DTCS U0074-00 To U3017-00)

• DTC Troubleshooting
  • U0074-00-Dedicated Powertrain-D-Pt-Can Bus Off
  • U0100-00-Lost Communication With ECM/Pcm A
  • U0293-00-Lost Communication With Hybrid Control Module
  • U029A-00-Lost Communication With Hybrid Battery Pack Sensor Module
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • U02AE-00-Lost Communications With Hybrid/EV Battery Coolant Pump
    • High Voltage Warning
    • Theory Of Operation - WL PHEV Coolant Pumps
    • Cooling System Architecture
    • WL PHEV Coolant Pump Locations And Related DTCS
    • Preliminary Diagnostic Checks
    • Check For An Active Or Intermittent Condition
    • Enabling Conditions And Possible Causes-Coolant Pumps
    • Theory Of Operation
    • Diagnostic Test- WL PHEV Coolant Pumps
    • HV Verification Test
  • U0594-00-Implausible Data Received From Hybrid Control Module
  • U064A-00-Lost Communication With Hybrid/EV Battery Pack Current Sensor A
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • U069E-00-Lost Communication With Coolant Heater "B"
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • U1486-00-Implausible Data Received From Power Inverter Module
  • U1885-00-Battery Energy Control Module Lost Communication With HCP
  • U3017-00-Control Module Timer/Clock Performance
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test