Section 33 (Hybrid Control Processor Module (HCP) - DTCS P25BA-00 To U0121-00)

• DTC Troubleshooting
  • P25BA-00 Regeneration Control Switch Circuit / Open
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P25BB-00 Regeneration Control Switch Circuit Low
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P25BC-00 Regeneration Control Switch Circuit High
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P2601-00 Electric Coolant Pump Control Circuit Performance/Stuck Off
    • 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
    • Diagnostic Test- WL PHEV Coolant Pumps
    • HV Verification Test
  • P2611-00 A/C Refrigerant Distribution Valve Control Circuit / Open
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P2612-00 A/C Refrigerant Distribution Valve Control Circuit Low
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P2613-00 A/C Refrigerant Distribution Valve Control Circuit High
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P26FD-00 A/C Compressor Internal Control Module Performance
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P29BB-00 Coolant Heater "A" Performance
    • Notes
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P2B28-00 Hybrid / EV Battery Pack Coolant Pump "A" Performance
    • 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
    • Diagnostic Test- WL PHEV Coolant Pumps
    • HV Verification Test
  • P2B29-00 Hybrid / EV Battery Pack Coolant Pump "A" OVERSPEED / Air In System
    • 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
    • Diagnostic Test- WL PHEV Coolant Pumps
    • HV Verification Test
  • P2BA3-00 Starter / Generator Mechanical Performance
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P2D01-00 Motor Electronics Coolant Pump "A" OVERSPEED / Air In System
    • 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
    • Diagnostic Test- WL PHEV Coolant Pumps
    • HV Verification Test
  • P2D06-00 Motor Electronics Coolant Pump "B" OVERSPEED / Air In System
    • 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
    • Diagnostic Test- WL PHEV Coolant Pumps
    • HV Verification Test
  • P2D53-00 Hybrid / EV Battery Pack Coolant Temperature Sensor "C" Circuit Range / Performance
    • Notes
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P2E75-00 Hybrid / EV Battery Pack Coolant Temperature Sensor "D" Circuit Range / Performance
    • Notes
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • U0001-00 Can C Bus
  • U0028-00 Vehicle Communication Bus A
  • U0073-00 Hybrid / EV Bus Off
  • U0074-00 Dedicated Powertrain (D-Pt) Can Bus Off
    • High Voltage Warning
    • Diagnostic Test - Informational Only DTC
  • U0100-00 Lost Communication With ECM/Pcm "A"
  • U0101-00 Lost Communication With TCM
  • U0102-00 Lost Communication With Transfer Case Control Module / AWD
  • U0103-00 Lost Communication With Electric Gear Shift Module
  • U0111-00 Lost Communication With Battery Energy Control Module
  • U0121-00 Lost Communication With Anti-Lock Brake System (Abs) Control Module "A"