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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 28 (Hybrid Control Processor Module (HCP) - DTCS P0BF0-00 To P0C74-00) >> DTC Troubleshooting >> P0C08-00 Drive Motor B Phase U-V-W Circuit/Open >> Enabling Conditions And Possible Causes - Motor B Phase

Enabling Conditions And Possible Causes - Motor B Phase

WARNING: This page is about a different variant/trim than selected.
MONITORING CONDITIONS
Circuit Range/Performance Fault  - Continuous with the ignition on, battery voltage above a calibrated threshold and diagnostic monitor enabled.
Current Sensor Circuit Low Fault  - Continuous with the ignition on, battery voltage above a calibrated threshold and diagnostic monitor enabled
Current Sensor Circuit High Fault  - Continuous with the ignition on, battery voltage above a calibrated threshold and diagnostic monitor enabled
U-V-W Sensor Correlation Fault  - Continuous with the ignition on, battery voltage above a calibrated threshold and diagnostic monitor enabled
Current High Fault  - Continuous with the ignition on, battery voltage above a calibrated threshold and diagnostic monitor enabled
U-V-W Circuit Open Fault  - Continuous with the ignition on, battery voltage above a calibrated threshold and diagnostic monitor enabled
Power Supply Circuit Open Fault  - Continuous with the ignition on, battery voltage above a calibrated threshold and diagnostic monitor enabled
FAULT SETTING CRITERIA
Circuit Range/Performance Fault  - The Hybrid Control Processor (HCP) has detected a phase current sensor error. The Inverter Phase offset is greater than 30 Amps.
Current Sensor Circuit Low Fault  - The HCP has detected a phase current sensor error. The Inverter Phase offset is less than -800 Amps.
Current Sensor Circuit High Fault  - The HCP has detected a phase current sensor error. The Inverter Phase offset is greater than 800 Amps
U-V-W Sensor Correlation Fault  - The HCP has detected excessive current flow. The sum of all Inverter Phase U-V-W current is greater than 75 Amps.
Current High Fault  - The HCP has detected excessive current flow. Excessive current flow detected by the HCP and reported by the hardware.
U-V-W Circuit Open Fault  - The HCP has detected low current flow on at least one of the U-V or W phases. Phase open circuit fault detection.
Power Supply Circuit Open Fault  - The HCP has detected a Motor Control Processor (MCP) error. Inverter Gate Drive power supply faults detected and reported by the hardware.
DEFAULT AND LIMP-IN ACTIONS
Circuit Range/Performance Fault  - Malfunction Indicator Lamp (MIL) on. Engine Stop/Start (ESS) disabled.
Current Sensor Circuit Low Fault  - Malfunction Indicator Lamp (MIL) on. Engine Stop/Start (ESS) disabled.
Current Sensor Circuit High Fault  - Malfunction Indicator Lamp (MIL) on. Engine Stop/Start (ESS) disabled.
U-V-W Sensor Correlation Fault  - Malfunction Indicator Lamp (MIL) on. Engine Stop/Start (ESS) disabled.
Current High Fault  - Malfunction Indicator Lamp (MIL) on. Power Inverter Module (PIM) shutdown.
U-V-W Circuit Open Fault  - Malfunction Indicator Lamp (MIL) on. Power Inverter Module (PIM) shutdown.
Power Supply Circuit Open Fault  - Malfunction Indicator Lamp (MIL) on. Power Inverter Module (PIM) shutdown.
POSSIBLE CAUSES
TRANSMISSION
FAULTY ELECTRONIC CONTROL UNIT (ECU)