Hybrid Powertrain Control Module 2 Scan Tool Information
Hybrid Powertrain Control Module 2 Scan Tool Data Parameters
| Parameter | System State | Expected Value | Description |
|---|---|---|---|
| Operating Conditions: Vehicle in Run | |||
| 5V Reference 2 | - | Volts | This parameter displays the voltage of the 5V reference circuit supplying the B1C A/C Low Side Pressure Sensor |
| A/C Compressor Clutch Status | HVAC ON | Allowed | This parameter displays the reasons the electric A/C compressor is disabled. |
| HVAC OFF | AC Not Requested | ||
| A/C Compressor Commanded/Feedback Speed Difference | - | RPM | This parameter displays the actual speed of the electric A/C compressor motor shaft as compared to the commanded speed. |
| A/C Compressor Power Consumption | - | kW | This parameter displays the high voltage electrical power the electric A/C compressor is consuming. |
| A/C Compressor Speed | - | Varies | This parameter displays the actual speed of the electric A/C compressor motor shaft. This parameter is active only when the cabin controls are set to condition the vehicle. |
| A/C High Side Pressure Sensor | Compressor OFF | Equal to low side | This parameter displays the pressure of the A/C system high side pressure sensor. |
| Compressor ON | Higher than low side | ||
| A/C Low Side Pressure Sensor | Compressor OFF | Equal to high side | This parameter displays the pressure of the A/C system B1C low side pressure sensor. |
| Compressor ON | Lower than high side | ||
| A/C Low Side Pressure Sensor | - | Varies | This parameter displays the voltage of the A/C system B1C low side pressure sensor. |
| Actively Tested Isolation Resistance of Complete Vehicle | - | Varies | Vehicles equipped with high voltage storage and propulsion capability are designed with both the positive and negative high voltage circuits isolated from the vehicle chassis. This parameter displays the status of the Hybrid/EV battery pack isolation diagnostic test performed during the scan tool high voltage disable control function, as applicable. |
| Airbag Deployed | - | No | This parameter displays if the contactors are commanded open because an air bag has deployed. |
| Ambient Air Temperature | - | Varies | This parameter displays the temperature of the air surrounding the vehicle. |
| Average Hybrid/EV Battery Pack Temperature | - | Varies | This parameter displays the average temperature for all of the Hybrid/EV battery pack module sensors. |
| Battery Interface Control Modules Over Voltage Fault Status | - | No | This parameter displays the status of the Battery Interface Control Module hybrid/EV battery cell overvoltage diagnostic circuit. |
| Crash Event Detected | - | No | This parameter displays if the contactors are commanded open due to a vehicle crash event being detected. |
| Crash Event Lockout | - | No | This parameter displays if the contactors are prevented from closing due to a vehicle crash event being detected. Refer to Clear Secured High Voltage DTCs procedure whenever YES is displayed. |
| Discharging | - | No | This parameter displays if the system is inhibiting contactor closure because the high voltage system is currently in the process of discharging the capacitors on the high voltage bus. Discharging usually occurs immediately following opening of the high voltage contactors. |
| Distance Since DTC Cleared | - | Varies | This parameter displays the distance in miles or kilometers since OBD diagnostic trouble codes (DTCs) have been cleared using the service tool. |
| Distance Since First Malfunction | - | Varies | This parameter displays the distance in miles or kilometers since OBD diagnostic trouble codes (DTCs) have first set. |
| Distance Since Last Malfunction | - | Varies | This parameter displays the distance in miles or kilometers since OBD diagnostic trouble codes (DTCs) have last set. |
| Distance With MIL On | - | Varies | This parameter displays the accumulated distance in miles or kilometers driven with the malfunction indicator lamp (MIL) on. |
| Drive Motor 1 Control Module Negative Supply Isolation Voltage | HV Enabled | Half of Hybrid/EV Battery Pack Voltage | This parameter displays the voltage measured between the HV bus passive isolation circuit and the vehicle chassis. Refer to Hybrid/EV System High Voltage Isolation Description . |
| Drive Motor 1 Control Module Positive Supply Isolation Voltage | HV Enabled | Half of Hybrid/EV Battery Pack Voltage | This parameter displays the voltage measured between the HV bus passive isolation circuit and the vehicle chassis. Refer to Hybrid/EV System High Voltage Isolation Description . |
| Electric A/C Compressor Current | - | Varies | This parameter displays the high voltage electrical power the electric A/C compressor is consuming. |
| Electric A/C Compressor Status | - | Normal | This parameter displays if the electric A/C compressor is in a Normal, Degraded or Inoperative state. |
| Electric A/C Compressor Voltage | - | Varies | This parameter displays the high voltage available as monitored by the electric A/C compressor. |
| Exhaust Heat Exchanger Exhaust Bypass Valve Command | - | Varies | This parameter displays the commanded position of the dual-butterfly exhaust-to-coolant heat exchanger bypass valve. 100% indicates the bypass valve is flowing all exhaust across the heat exchanger. |
| Exhaust Heat Exchanger Bypass Valve Position | - | Varies | This parameter displays the actual position of the dual-butterfly exhaust-to-coolant heat exchanger bypass valve. 100% indicates the bypass valve is flowing all exhaust across the heat exchanger. |
| Exhaust Heat Exchanger Exhaust Bypass Valve Position Learn Status | 30 seconds after first engine start | Learned | This parameter displays the learn status of the dual-butterfly exhaust-to-coolant heat exchanger bypass valve. The valve position is learned during the first engine start of a key cycle and is not learned again that key cycle. |
| After first Auto-stop transition | Not Learned | ||
| High Voltage Interlock Circuit Fault | - | No | This parameter displays if the contactors are commanded open because the high voltage interlock circuit is detected open or faulted. |
| High Voltage Inverter Voltage | HV Enabled | Near Hybrid/EV Battery Pack Voltage | This parameter displays the high voltage as currently monitored by the hybrid/EV powertrain control module 1 internal to the T6 Power Inverter Module. |
| HV Not Enabled | Less than 3V | ||
| High Voltage System Interlock Circuit Status | HV Enabled | Passed | The high voltage interlock circuit routes through several components and connectors to determine if access to high voltage components is being attempted. This parameter displays the results of the control modules diagnostic test of the high voltage interlock circuit. |
| HV Not Enabled | Unknown | ||
| High Voltage System Isolation Test Status | HV Enabled | Not Running | Vehicles equipped with high voltage storage and propulsion capability are designed with both the positive and negative high voltage circuits isolated from the vehicle chassis. This parameter displays the status of the Hybrid/EV battery pack isolation diagnostic test. This test may run at accessory wake up or immediately following key-off. The status will clear whenever DTCs are cleared. |
| HV Not Enabled | Running/Complete | ||
| Hood Ajar Switch | - | Varies | This parameter displays the position the hood latch switch in percent. |
| Hood Position | - | Varies | This parameter displays the position of the hood as determined by the hood latch switch. |
| Hybrid Battery Contactor Emergency Open Request Reason History | - | None | This parameter displays the last reason the Hybrid/EV Battery Pack high voltage contactors were commanded open due to a system detected condition or fault. |
| Hybrid/EV Battery (1 to 80) | - | Varies | The Hybrid/EV battery pack contains many individual battery cells or modules. This parameter displays the voltage of the applicable battery cell group. The Hybrid/EV Battery Section schematics in Energy Storage identify the battery module section and voltage sense circuit terminal locations appropriate to each cell group. |
| Hybrid/EV Battery (1 to 16) | - | Varies | The Hybrid/EV battery pack contains many individual battery cells or modules. This parameter displays the value of the temperature sensors within the applicable battery module. |
| Hybrid/EV Battery Interface Control Module Voltage (1 to 8) | - | Varies | The Hybrid/EV battery pack contains many individual battery cells or modules. This parameter displays the total voltage of the cell groups within the applicable battery module. |
| Hybrid/EV Battery Negative Contactor Command | HV Enabled | Closed | This parameter displays the Hybrid Powertrain Control Module 2 Commanded state of the contactor (relay) on the (-) side of the Hybrid/EV Battery pack. |
| HV Not Enabled | Open | ||
| Hybrid/EV Battery Pack Coolant Fan Duty Cycle Command | - | Varies | This parameter displays the commanded percentage air flow for the Hybrid/EV battery pack cooling fan. |
| Hybrid/EV Battery Pack Cooling Fan Speed | - | Varies | This parameter displays the actual speed of the Hybrid/EV battery pack cooling fan motor shaft. |
| Hybrid/EV Battery Pack Current | - | Varies | This parameter displays the amount of current in amps flowing in or out of the Hybrid/EV battery pack. |
| Hybrid/EV Battery Pack Maximum Charge Power Limit | - | Varies | This parameter displays the electric power in kW allowed by the Hybrid Powertrain Control Module 2 in order to charge the Hybrid/EV battery pack. |
| Hybrid/EV Battery Pack Maximum Discharge Current Limit | - | Varies | This parameter displays the electric power in amps available from the Hybrid/EV battery pack as determined by the Hybrid Powertrain Control Module 2. |
| Hybrid/EV Battery Pack Maximum Discharge Power Limit | - | Varies | This parameter displays the electric power in kW available from the Hybrid/EV battery pack as determined by the Hybrid Powertrain Control Module 2. |
| Hybrid/EV Battery Pack Maximum Voltage | - | Varies | This parameter displays the total Hybrid/EV battery pack maximum voltage measured during the current ignition cycle. |
| Hybrid/EV Battery Pack Minimum State of Charge Limit | - | Varies | This parameter displays the minimum permissible Hybrid/EV battery pack state of charge in percent. The Hybrid/EV system will not discharge the battery pack below this limit. |
| Hybrid/EV Battery Pack Minimum Voltage | - | Varies | This parameter displays the total Hybrid/EV battery pack minimum voltage measured during the current ignition cycle. |
| Hybrid/EV Battery Pack Negative Isolation Voltage | HV Enabled | Half of Hybrid/EV Battery Pack Voltage | This parameter displays the voltage measured between the HV bus active isolation circuit and the vehicle chassis. Refer to Hybrid/EV System High Voltage Isolation Description . |
| Hybrid/EV Battery Pack Positive Isolation Voltage | HV Enabled | Half of Hybrid/EV Battery Pack Voltage | This parameter displays the voltage measured between the HV bus active isolation circuit and the vehicle chassis. Refer to Hybrid/EV System High Voltage Isolation Description . |
| Hybrid/EV Battery Pack Precharge Contactor Command | HV Enable Initiated | Closed | This parameter displays the Hybrid Powertrain Control Module 2 Commanded state of the operation of the Hybrid/EV Battery pack precharge contactor relay. Precharge occurs in the milliseconds prior to closing the main (-) bus contactor. By routing the high voltage through a resistor, precharge prevents voltage spikes from occurring whenever high voltage is enabled. |
| HV Fully Enabled or HV Not Enabled | Open | ||
| Hybrid/EV Battery Pack Resistance | - | Varies | This parameter displays the Hybrid/EV battery pack resistance value in ohms. |
| Hybrid/EV Battery Pack Voltage | - | Varies | This parameter displays the electrical potential of the Hybrid/EV battery pack as monitored by the hybrid/EV powertrain control module 2 sense circuits. |
| Hybrid/EV Battery Positive Contactor Command | HV Enabled | Closed | This parameter displays the Hybrid Powertrain Control Module 2 Commanded state of the contactor (relay) on the (+) side of the Hybrid/EV Battery pack. |
| HV Not Enabled | Open | ||
| Hybrid/EV Battery System Precharge Current Too High | - | No | Precharge occurs in the milliseconds prior to closing the main (+) bus contactor. By routing the high voltage through a resistor, precharge prevents voltage spikes from occurring whenever high voltage is enabled. This parameter displays if the contactors are commanded open because of excessive Precharge current. |
| Hybrid/EV Battery System Precharge Time Too Short | - | No | Precharge occurs in the milliseconds prior to closing the main (+) bus contactor. By routing high voltage through a resistor, precharge prevents voltage spikes from occurring whenever high voltage is enabled. The time required to precharge is based upon the system voltage and capacitance. This parameter displays if the contactors are commanded open because the time required to precharge was too fast. |
| Hybrid/EV Battery System Precharge Time Too Long | - | No | Precharge occurs in the milliseconds prior to closing the main (+) bus contactor. By routing the high voltage through a resistor, precharge prevents voltage spikes from occurring whenever high voltage is enabled. The time required to precharge is based upon the system voltage and capacitance. This parameter displays if the contactors are commanded open because the time required to precharge was too slow. |
| Hybrid/EV Battery Temperature Sensor with Maximum Value | - | Varies | The Hybrid/EV battery pack contains many individual battery cells or modules. This parameter displays the index-number of the battery module sensor that is reporting the maximum temperature value. |
| Hybrid/EV Battery Temperature Sensor with Minimum Value | - | Varies | The Hybrid/EV battery pack contains many individual battery cells or modules. This parameter displays the index-number of the battery module sensor that is reporting the minimum temperature value. |
| Hybrid/EV Battery Voltage Sensor with Maximum Value | - | Varies | The Hybrid/EV battery pack contains many individual battery cells or modules. This parameter displays the index-number of the battery module cell group voltage sensor that is reporting the highest voltage. |
| Hybrid/EV Battery Voltage Sensor with Minimum Value | - | Varies | The Hybrid/EV battery pack contains many individual battery cells or modules. This parameter displays the index-number of the battery module cell group voltage sensor that is reporting the lowest voltage. |
| Hybrid/EV Electronics Coolant Pump Command | - | Varies | This parameter displays the percent commanded coolant flow for the Hybrid/EV electronics coolant pump. |
| Hybrid/EV Electronics Coolant Pump Feedback | - | 45-55% | This parameter displays the internal diagnostic status for the Hybrid/EV electronics coolant pump. A duty cycle of 45 to 55% indicates no internal pump faults detected. |
| Hybrid/EV Electronics Coolant Pump Speed | - | Varies | This parameter displays the actual speed of the Hybrid/EV electronics coolant pump motor shaft. |
| Hybrid/EV Electronics Coolant Temperature | - | Varies | This parameter displays the temperature of the coolant within the hybrid electronics cooling system. |
| Hybrid/EV Powertrain Control Module Request | - | No | This parameter displays if the hybrid/EV powertrain control module (1) is requesting the contactors to be open. |
| Ignition 1 Signal | - | Varies | This parameter displays the voltage monitored at the control module terminal connected to the Ignition 1 circuit. |
| Isolation Test Resistance | - | Varies | Vehicles equipped with high voltage storage and propulsion capability are designed with both the positive and negative high voltage circuits isolated from the vehicle chassis. This parameter displays the amount of isolation observed when the Hybrid/EV battery pack last performed its isolation diagnostic test. This test may run at accessory wake up or immediately following key-off. The value will be set to zero whenever DTCs are cleared. |
| Maximum Hybrid/EV Battery Module Temperature | - | Varies | The Hybrid/EV battery pack contains many individual battery cells or modules. This parameter displays the temperature of the battery module sensor reporting the highest temperature. |
| Maximum Hybrid/EV Battery Module Voltage | - | Varies | The Hybrid/EV battery pack contains many individual hybrid battery cells or modules. This parameter displays the maximum voltage measured at any of the cell groups. |
| Minimum Hybrid/EV Battery Module Temperature | - | Varies | The Hybrid/EV battery pack contains many individual battery cells or modules. This parameter displays the temperature of the battery module sensor reporting the lowest temperature. |
| Minimum Hybrid/EV Battery Module Voltage | - | Varies | The Hybrid/EV battery pack contains many individual hybrid battery cells or modules. This parameter displays the minimum voltage measured at any of the cell groups. |
| Over/Under Voltage Lockout | - | No | This parameter displays if the system is commanding contactors open due to high or low voltage. |
| Overtemperature | - | No | This parameter displays if the system is commanding contactors open to protect them from overheating. The contactors will overheat if cycled too many times within a short amount of time. |
| Power Delivered to Electric A/C Compressor from Hybrid Battery Pack | - | Varies | This parameter displays the electric power in kW commanded by the hybrid powertrain control module 2 to the A/C compressor in order for it to provide Hybrid/EV battery pack and/or passenger compartment cooling. This parameter is active only when the cabin controls are set to condition the vehicle. |
| Power Requested by Electric A/C Compressor from Hybrid/EV Battery Pack | - | Varies | This parameter displays the electric power in kW estimated by hybrid powertrain control module 2 necessary to provide Hybrid/EV battery pack and/or passenger compartment cooling. This parameter is active only when the cabin controls are set to condition the vehicle. |
| Shutdown Mode | - | No | Shutdown Mode is the semi-operational state while a control module is turning off. Shutdown mode allows time for house-keeping tasks such as writing data to stored memory. This parameter displays if the module is in the process of shutting down. |
| State of Charge | - | Varies | This parameter displays the percentage available capacity remaining in a Hybrid/EV battery pack. |
| Stuck Open | - | No | This parameter displays the contactors are commanded open because the module has detected one or more of the high voltage contactors will not close. |
| Sum of All Hybrid/EV Battery Section Voltages | - | Varies | The Hybrid/EV battery pack contains many individual hybrid battery cells or modules. This parameter displays the electrical potential of the Hybrid/EV battery pack as monitored by the summed total of the cell group voltages. |
| Warm-Ups Since DTC Cleared | - | Varies | This parameter displays the number of OBD defined warm-up cycles since the last time codes were cleared with a scan tool or, when applicable, with a 12V battery disconnect. A warm-up cycle occurs after the propulsion system has been active for 1000 consecutive seconds with run/crank ignition active. |
Hybrid Powertrain Control Module 2 Configuration/Reset Functions
| Functions | Description |
|---|---|
| Fuel Economy Reset | This reset function is used to reset the learned Lifetime fuel economy displayed to the operator of the vehicle. |
| Hybrid/EV Battery Pack Contactor Open Reasons Reset | The hybrid/EV powertrain control module 2, Hybrid/EV Battery Contactor Open Reasons scan tool parameter list identifies all past events that commanded contactors open. This reset function is used to set all history reasons for contactor open events to NO. Refer to Clear Secured High Voltage DTCs procedure in Hybrid/EV Energy Storage. |
Hybrid Powertrain Control Module 2 Scan Tool Output Controls
| Output Control | Description |
|---|---|
| A/C Compressor Control | This output control will increase or decrease the speed of the electric A/C compressor motor. |
| Clear Secured High Voltage DTCs |
NOTE:
Performing a scan tool DTC Clear may clear the diagnostic that set the HV lockout state, but will not reset the lockout. |
| Exhaust Heat Exchanger Exhaust Bypass Valve | This output control is used to energize the Q35 Exhaust Heat Exchanger Exhaust Bypass Valve. The exhaust heat exchanger bypass valve has two positions. When commanded in bypass mode, the valve allows straight-thru exhaust flow. When commanded to Heat, the valve diverts 100% of the exhaust flow through the coolant exchanger. |
| Hybrid/EV Battery Contactors | This output control is used to energize the high voltage contactors for diagnostic purposes. Refer to the applicable high voltage contactor diagnostic trouble code for setup and usage instructions. |
| Hybrid/EV Battery Pack Active Isolation Test |
|
| Hybrid/EV Battery Pack Cooling Fan | This output control is used to vary the hybrid/EV battery pack cooling fan motor between 10% and 90%. |
| Hybrid/EV Electronics Coolant Pump | This output control is used to vary the coolant pump speed between 20% and 90%. |