LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2021 >> Mirai XLE >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> DTC Index (1 Of 2) >> FC Control DTCS >> FC Control System
April 5, 2026: LEMON Manuals is launched! Read the announcement.

FC Control System

FC CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [11/2020 - 08/2021]

DTC Code Description
P009A-62 Intake Air Temperature/Ambient Air Temperature Correlation Signal Compare Failure
P0100-31 Mass or Volume Air Flow Sensor "A" No Signal
P0110-11 Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Ground
P0110-15 Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Battery or Open
P060B-16 Internal Control Module A/D Processing Performance Circuit Voltage Below Threshold
P060B-1C Internal Control Module A/D Processing Performance Circuit Voltage Out of Range
P060B-1C Internal Control Module A/D Processing Performance Circuit Voltage Out of Range
P060B-49 Internal Control Module A/D Processing Performance Internal Electronic Failure
P060B-49 Internal Control Module A/D Processing Performance Internal Electronic Failure
P060B-71 Internal Control Module A/D Processing Performance Actuator Stuck
P060B-71 Internal Control Module A/D Processing Performance Actuator Stuck
P062F-00 Internal Control Module EEPROM Error
P19FD-73 Air Conditioner Power Supply Relay Actuator Stuck Closed
P1D06-18 FC Converter Phase U Current Circuit Current Below Threshold
P1D06-19 FC Converter Phase U Current Circuit Current Above Threshold
P1D07-18 FC Converter Phase V Current Circuit Current Below Threshold
P1D07-19 FC Converter Phase V Current Circuit Current Above Threshold
P1D08-18 FC Converter Phase W Current Circuit Current Below Threshold
P1D08-19 FC Converter Phase W Current Circuit Current Above Threshold
P1D09-18 FC Converter Phase X Current Circuit Current Below Threshold
P1D09-19 FC Converter Phase X Current Circuit Current Above Threshold
P1D0E-62 Inverter Output Voltage/FC Converter Output Voltage Signal Compare Failure
P1D0F-62 Cell Monitor Voltage/FC Converter Input Voltage Signal Compare Failure
P1D1C-16 FC Converter Output Voltage Sensor Circuit Voltage Below Threshold
P1D1C-17 FC Converter Output Voltage Sensor Circuit Voltage Above Threshold
P1D20-17 FC Converter Input Voltage Sensor Circuit Voltage Above Threshold
P1D24-96 Hydrogen Pump Component Internal Failure
P1D25-11 Radiator Outlet Coolant Temperature Sensor Circuit Short to Ground
P1D25-15 Radiator Outlet Coolant Temperature Sensor Circuit Short to Battery or Open
P1D25-1C Radiator Outlet Coolant Temperature Sensor Circuit Voltage Out of Range
P1D2A-11 FC Stack Outlet Coolant Temperature Sensor Circuit Short to Ground
P1D2A-15 FC Stack Outlet Coolant Temperature Sensor Circuit Short to Battery or Open
P1D2A-1C FC Stack Outlet Coolant Temperature Sensor Circuit Voltage Out of Range
P1D2F-00 FC Coolant Pump Performance
P1D2F-96 FC Coolant Pump Component Internal Failure
P1D30-11 Phase U Reactor Current Sensor Circuit Short to Ground
P1D30-15 Phase U Reactor Current Sensor Circuit Short to Battery or Open
P1D30-1C Phase U Reactor Current Sensor Circuit Voltage Out of Range
P1D30-28 Phase U Reactor Current Sensor Signal Bias Level Out of Range / Zero Adjustment Failure
P1D35-11 Phase V Reactor Current Sensor Circuit Short to Ground
P1D35-15 Phase V Reactor Current Sensor Circuit Short to Battery or Open
P1D35-1C Phase V Reactor Current Sensor Circuit Voltage Out of Range
P1D35-28 Phase V Reactor Current Sensor Signal Bias Level Out of Range / Zero Adjustment Failure
P1D3A-11 Phase W Reactor Current Sensor Circuit Short to Ground
P1D3A-15 Phase W Reactor Current Sensor Circuit Short to Battery or Open
P1D3A-1C Phase W Reactor Current Sensor Circuit Voltage Out of Range
P1D3A-28 Phase W Reactor Current Sensor Signal Bias Level Out of Range / Zero Adjustment Failure
P1D3F-16 FC Stack Internal Voltage Circuit Voltage Below Threshold
P1D40-11 Phase X Reactor Current Sensor Circuit Short to Ground
P1D40-15 Phase X Reactor Current Sensor Circuit Short to Battery or Open
P1D40-1C Phase X Reactor Current Sensor Circuit Voltage Out of Range
P1D40-28 Phase X Reactor Current Sensor Signal Bias Level Out of Range / Zero Adjustment Failure
P1D45-12 Phase U Temperature Sensor Circuit Short to Battery
P1D45-14 Phase U Temperature Sensor Circuit Short to Ground or Open
P1D4A-12 Phase V Temperature Sensor Circuit Short to Battery
P1D4A-14 Phase V Temperature Sensor Circuit Short to Ground or Open
P1D4F-62 Total Reactor Current/FC Current Signal Compare Failure
P1D50-12 Phase W Temperature Sensor Circuit Short to Battery
P1D50-14 Phase W Temperature Sensor Circuit Short to Ground or Open
P1D55-12 Phase X Temperature Sensor Circuit Short to Battery
P1D55-14 Phase X Temperature Sensor Circuit Short to Ground or Open
P1D5F-87 Lost Communication with Cell Monitor Missing Message
P1D7F-62 FC Air Compressor Motor Signal Compare Failure
P1D7F-96 FC Air Compressor Motor Component Internal Failure
P1D83-87 Lost Communication with Hydrogen Pump Inverter Missing Message
P1D83-96 Hydrogen Pump Inverter Component Internal Failure
P1D85-11 Hydrogen Pump Motor Temperature Sensor Circuit Short to Ground
P1D85-15 Hydrogen Pump Motor Temperature Sensor Circuit Short to Battery or Open
P1D8A-11 FC Inter Cooler Outlet Temperature Sensor Circuit Short to Ground
P1D8A-15 FC Inter Cooler Outlet Temperature Sensor Circuit Short to Battery or Open
P1D90-11 FC Stack Inlet Pressure Sensor Circuit Short to Ground
P1D90-15 FC Stack Inlet Pressure Sensor Circuit Short to Battery or Open
P1D9A-1C Hydrogen Injector 1 Circuit Voltage Out of Range
P1DA0-1C Hydrogen Injector 2 Circuit Voltage Out of Range
P1DA5-1C Hydrogen Injector 3 Circuit Voltage Out of Range
P1DAA-12 Exhaust Drainage Valve Circuit Short to Battery
P1DAA-14 Exhaust Drainage Valve Circuit Short to Ground or Open
P1DB0-11 High-Range Hydrogen Pressure Sensor Circuit Short to Ground
P1DB0-15 High-Range Hydrogen Pressure Sensor Circuit Short to Battery or Open
P1DB0-1C High-Range Hydrogen Pressure Sensor Circuit Voltage Out of Range
P1DB5-11 Medium-Range Hydrogen Pressure Sensor Circuit Short to Ground
P1DB5-15 Medium-Range Hydrogen Pressure Sensor Circuit Short to Battery or Open
P1DBA-11 Low-Range Hydrogen Pressure Sensor Circuit Short to Ground
P1DBA-15 Low-Range Hydrogen Pressure Sensor Circuit Short to Battery or Open
P1DC0-00 Low-Range Hydrogen Pressure Too Low
P1DC1-00 Low-Range Hydrogen Pressure Too High
P1DC3-00 Medium-Range Hydrogen Pressure Too High
P1DC5-00 FC Air Pressure Too High
P1DC6-18 Air Sealing Valve Circuit Current Below Threshold
P1DC6-19 Air Sealing Valve Circuit Current Above Threshold
P1DC7-11 Air Sealing Valve Position Sensor Circuit Short to Ground
P1DC7-15 Air Sealing Valve Position Sensor Circuit Short to Battery or Open
P1DC8-87 Lost Communication with FC Coolant Pump Inverter Missing Message
P1DC8-96 FC Coolant Pump Inverter Component Internal Failure
P1DCA-31 Hydrogen Detector (Motor Room) No Signal
P1DCF-96 Cell Monitor Component Internal Failure
P1DD0-31 Hydrogen Detector Sensor "A" No Signal
P1DD5-14 Radiator Rotary Valve Circuit 1 Circuit Short to Ground or Open
P1DDA-00 FC Converter Phase U Performance
P1DDA-4B FC Converter Phase U Over Temperature
P1DDA-9E FC Converter Phase U Fail Signal Stuck On
P1DDB-00 FC Converter Phase V Performance
P1DDB-4B FC Converter Phase V Over Temperature
P1DDB-9E FC Converter Phase V Fail Signal Stuck On
P1DDC-00 FC Converter Phase W Performance
P1DDC-4B FC Converter Phase W Over Temperature
P1DDC-9E FC Converter Phase W Fail Signal Stuck On
P1DDD-00 FC Converter Phase X Performance
P1DDD-4B FC Converter Phase X Over Temperature
P1DDD-9E FC Converter Phase X Fail Signal Stuck On
P1DDE-31 Hydrogen Detector Sensor "B" No Signal
P1DDF-00 FC Air Flow Malfunction
P1DDF-79 FC Air Flow Mechanical Linkage Failure
P1DE4-00 FC Cooling System Performance
P1DE5-11 Hydrogen Tank 1 Temperature Sensor Circuit Short to Ground
P1DE5-15 Hydrogen Tank 1 Temperature Sensor Circuit Short to Battery or Open
P1DE5-1C Hydrogen Tank 1 Temperature Sensor Circuit Voltage Out of Range
P1DEA-11 Hydrogen Tank 2 Temperature Sensor Circuit Short to Ground
P1DEA-15 Hydrogen Tank 2 Temperature Sensor Circuit Short to Battery or Open
P1DEF-00 FC System No Activation
P1DFA-11 Hydrogen Intake Pressure Sensor Circuit Short to Ground
P1DFA-15 Hydrogen Intake Pressure Sensor Circuit Short to Battery or Open
P1E00-12 Tank Shut Valve 1 Circuit Short to Battery
P1E00-14 Tank Shut Valve 1 Circuit Short to Ground or Open
P1E10-12 Tank Shut Valve 2 Circuit Short to Battery
P1E10-14 Tank Shut Valve 2 Circuit Short to Ground or Open
P1E19-96 Infrared Transmitter Component Internal Failure
P1E36-7E Tank Shut Valve 1 Actuator Stuck On
P1E40-00 Extreme Hydrogen Leak (Motor Room)
P1E40-7A Hydrogen Leak (Motor Room) Fluid Leak or Seal Failure
P1E41-00 Extreme Hydrogen Leak (Tank Area 1)
P1E41-7A Hydrogen Leak (Tank Area 1) Fluid Leak or Seal Failure
P1E42-7A Hydrogen Leak (Excessive Hydrogen Flow) Fluid Leak or Seal Failure
P1E43-7A Hydrogen Leak (High/Medium Pressure Area) Fluid Leak or Seal Failure
P1E44-7A Hydrogen Leak (Low Pressure Area) Fluid Leak or Seal Failure
P1E48-62 FC Stack Inlet Pressure Sensor/Barometric Pressure Sensor "B" Signal Compare Failure
P1E4A-11 Hydrogen Tank 3 Temperature Sensor Circuit Short to Ground
P1E4A-15 Hydrogen Tank 3 Temperature Sensor Circuit Short to Battery or Open
P1E5A-12 Tank Shut Valve 3 Circuit Short to Battery
P1E5A-14 Tank Shut Valve 3 Circuit Short to Ground or Open
P1E6B-73 Fuel Lid Interlock Actuator Stuck Closed
P1E7A-18 Air Shunt Valve Circuit Current Below Threshold
P1E7A-19 Air Shunt Valve Circuit Current Above Threshold
P1E7B-11 Air Shunt Valve Position Sensor Circuit Short to Ground
P1E7B-15 Air Shunt Valve Position Sensor Circuit Short to Battery or Open
P1E7C-18 Air Pressure Regulating Valve Circuit Current Below Threshold
P1E7C-19 Air Pressure Regulating Valve Circuit Current Above Threshold
P1E7D-11 Air Pressure Regulating Valve Position Sensor Circuit Short to Ground
P1E7D-15 Air Pressure Regulating Valve Position Sensor Circuit Short to Battery or Open
P1E7E-87 Lost Communication with Hybrid/EV Powertrain Control Module (SIL) Missing Message
P1E7F-87 Communication Error from Fuel Cell Control Module to Hybrid/EV Powertrain Control Module Missing Message
P1E90-11 FC Positive Contactor Control Circuit Short to Ground
P1E90-15 FC Positive Contactor Control Circuit Short to Battery or Open
P1E91-11 FC Negative Contactor Control Circuit Short to Ground
P1E91-15 FC Negative Contactor Control Circuit Short to Battery or Open
P1E92-11 FC Precharge Contactor Control Circuit Short to Ground
P1E92-15 FC Precharge Contactor Control Circuit Short to Battery or Open
P1EF2-14 Air Valve Supply Voltage Circuit Short to Ground or Open
P1EF3-94 Fuel Cell Control Module Unexpected Operation
P1EF5-81 Invalid Data Received from Water Heating Heater Invalid Serial Data Received
P1EF6-00 Extreme Hydrogen Leak (Tank Area 2)
P1EF6-7A Hydrogen Leak (Tank Area 2) Fluid Leak or Seal Failure
P1EFD-14 Radiator Rotary Valve Circuit 2 Circuit Short to Ground or Open
P1EFE-14 Radiator Rotary Valve Circuit 3 Circuit Short to Ground or Open
P1EFF-14 Radiator Rotary Valve Circuit 4 Circuit Short to Ground or Open
P1F00-9E FC Converter Overvoltage Signal Stuck On
P1F01-17 FC Converter Output Voltage Circuit Voltage Above Threshold
P1F08-9F FC Shutdown Signal Stuck Off
P1F45-1F FC Converter Control Module Power Relay Sense Circuit Intermittent
P1F4A-1F Fuel Cell Control Module Power Relay Sense Circuit Intermittent
P1F65-1C FC Converter Control Module Power Supply (-5V) Circuit Voltage Out of Range
P1F66-1C FC Converter Control Module Power Supply (+V5AREF) Circuit Voltage Out of Range
P1F6C-71 Air Sealing Valve Actuator Stuck
P1F6D-71 Air Shunt Valve Actuator Stuck
P1F6E-71 Air Pressure Regulating Valve Actuator Stuck
P222A-12 Barometric Pressure Sensor "B" Circuit Short to Battery
P222A-14 Barometric Pressure Sensor "B" Circuit Short to Ground or Open
U0293-87 Lost Communication with Hybrid/EV Powertrain Control Module Missing Message
U0293-87 Lost Communication with Hybrid/EV Powertrain Control Module Missing Message
U1160-87 Lost Communication with FCDC Control Module Missing Message
U1162-87 Lost Communication with Hydrogen Filling Control Module Missing Message
U1492-57 Software incompatibility with Hybrid/EV Powertrain Control Module Invalid/Incompatible Software Component
FC CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [08/2021 - 12/2023]

DTC Code Description
P009A-62 Intake Air Temperature/Ambient Air Temperature Correlation Signal Compare Failure
P0100-31 Mass or Volume Air Flow Sensor "A" No Signal
P0110-11 Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Ground
P0110-15 Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Battery or Open
P060B-16 Internal Control Module A/D Processing Performance Circuit Voltage Below Threshold
P060B-1C Internal Control Module A/D Processing Performance Circuit Voltage Out of Range
P060B-1C Internal Control Module A/D Processing Performance Circuit Voltage Out of Range
P060B-49 Internal Control Module A/D Processing Performance Internal Electronic Failure
P060B-49 Internal Control Module A/D Processing Performance Internal Electronic Failure
P060B-71 Internal Control Module A/D Processing Performance Actuator Stuck
P060B-71 Internal Control Module A/D Processing Performance Actuator Stuck
P062F-00 Internal Control Module EEPROM Error
P19FD-73 Air Conditioner Power Supply Relay Actuator Stuck Closed
P1D06-18 FC Converter Phase U Current Circuit Current Below Threshold
P1D06-19 FC Converter Phase U Current Circuit Current Above Threshold
P1D07-18 FC Converter Phase V Current Circuit Current Below Threshold
P1D07-19 FC Converter Phase V Current Circuit Current Above Threshold
P1D08-18 FC Converter Phase W Current Circuit Current Below Threshold
P1D08-19 FC Converter Phase W Current Circuit Current Above Threshold
P1D09-18 FC Converter Phase X Current Circuit Current Below Threshold
P1D09-19 FC Converter Phase X Current Circuit Current Above Threshold
P1D0E-62 Inverter Output Voltage/FC Converter Output Voltage Signal Compare Failure
P1D0F-62 Cell Monitor Voltage/FC Converter Input Voltage Signal Compare Failure
P1D1C-16 FC Converter Output Voltage Sensor Circuit Voltage Below Threshold
P1D1C-17 FC Converter Output Voltage Sensor Circuit Voltage Above Threshold
P1D20-17 FC Converter Input Voltage Sensor Circuit Voltage Above Threshold
P1D24-96 Hydrogen Pump Component Internal Failure
P1D25-11 Radiator Outlet Coolant Temperature Sensor Circuit Short to Ground
P1D25-15 Radiator Outlet Coolant Temperature Sensor Circuit Short to Battery or Open
P1D25-1C Radiator Outlet Coolant Temperature Sensor Circuit Voltage Out of Range
P1D2A-11 FC Stack Outlet Coolant Temperature Sensor Circuit Short to Ground
P1D2A-15 FC Stack Outlet Coolant Temperature Sensor Circuit Short to Battery or Open
P1D2A-1C FC Stack Outlet Coolant Temperature Sensor Circuit Voltage Out of Range
P1D2F-00 FC Coolant Pump Performance
P1D2F-96 FC Coolant Pump Component Internal Failure
P1D30-11 Phase U Reactor Current Sensor Circuit Short to Ground
P1D30-15 Phase U Reactor Current Sensor Circuit Short to Battery or Open
P1D30-1C Phase U Reactor Current Sensor Circuit Voltage Out of Range
P1D30-28 Phase U Reactor Current Sensor Signal Bias Level Out of Range / Zero Adjustment Failure
P1D35-11 Phase V Reactor Current Sensor Circuit Short to Ground
P1D35-15 Phase V Reactor Current Sensor Circuit Short to Battery or Open
P1D35-1C Phase V Reactor Current Sensor Circuit Voltage Out of Range
P1D35-28 Phase V Reactor Current Sensor Signal Bias Level Out of Range / Zero Adjustment Failure
P1D3A-11 Phase W Reactor Current Sensor Circuit Short to Ground
P1D3A-15 Phase W Reactor Current Sensor Circuit Short to Battery or Open
P1D3A-1C Phase W Reactor Current Sensor Circuit Voltage Out of Range
P1D3A-28 Phase W Reactor Current Sensor Signal Bias Level Out of Range / Zero Adjustment Failure
P1D3F-16 FC Stack Internal Voltage Circuit Voltage Below Threshold
P1D40-11 Phase X Reactor Current Sensor Circuit Short to Ground
P1D40-15 Phase X Reactor Current Sensor Circuit Short to Battery or Open
P1D40-1C Phase X Reactor Current Sensor Circuit Voltage Out of Range
P1D40-28 Phase X Reactor Current Sensor Signal Bias Level Out of Range / Zero Adjustment Failure
P1D45-12 Phase U Temperature Sensor Circuit Short to Battery
P1D45-14 Phase U Temperature Sensor Circuit Short to Ground or Open
P1D4A-12 Phase V Temperature Sensor Circuit Short to Battery
P1D4A-14 Phase V Temperature Sensor Circuit Short to Ground or Open
P1D4F-62 Total Reactor Current/FC Current Signal Compare Failure
P1D50-12 Phase W Temperature Sensor Circuit Short to Battery
P1D50-14 Phase W Temperature Sensor Circuit Short to Ground or Open
P1D55-12 Phase X Temperature Sensor Circuit Short to Battery
P1D55-14 Phase X Temperature Sensor Circuit Short to Ground or Open
P1D5F-87 Lost Communication with Cell Monitor Missing Message
P1D7F-62 FC Air Compressor Motor Signal Compare Failure
P1D7F-96 FC Air Compressor Motor Component Internal Failure
P1D83-87 Lost Communication with Hydrogen Pump Inverter Missing Message
P1D83-96 Hydrogen Pump Inverter Component Internal Failure
P1D85-11 Hydrogen Pump Motor Temperature Sensor Circuit Short to Ground
P1D85-15 Hydrogen Pump Motor Temperature Sensor Circuit Short to Battery or Open
P1D8A-11 FC Inter Cooler Outlet Temperature Sensor Circuit Short to Ground
P1D8A-15 FC Inter Cooler Outlet Temperature Sensor Circuit Short to Battery or Open
P1D90-11 FC Stack Inlet Pressure Sensor Circuit Short to Ground
P1D90-15 FC Stack Inlet Pressure Sensor Circuit Short to Battery or Open
P1D9A-1C Hydrogen Injector 1 Circuit Voltage Out of Range
P1DA0-1C Hydrogen Injector 2 Circuit Voltage Out of Range
P1DA5-1C Hydrogen Injector 3 Circuit Voltage Out of Range
P1DAA-12 Exhaust Drainage Valve Circuit Short to Battery
P1DAA-14 Exhaust Drainage Valve Circuit Short to Ground or Open
P1DB0-11 High-Range Hydrogen Pressure Sensor Circuit Short to Ground
P1DB0-15 High-Range Hydrogen Pressure Sensor Circuit Short to Battery or Open
P1DB0-1C High-Range Hydrogen Pressure Sensor Circuit Voltage Out of Range
P1DB5-11 Medium-Range Hydrogen Pressure Sensor Circuit Short to Ground
P1DB5-15 Medium-Range Hydrogen Pressure Sensor Circuit Short to Battery or Open
P1DBA-11 Low-Range Hydrogen Pressure Sensor Circuit Short to Ground
P1DBA-15 Low-Range Hydrogen Pressure Sensor Circuit Short to Battery or Open
P1DC0-00 Low-Range Hydrogen Pressure Too Low
P1DC1-00 Low-Range Hydrogen Pressure Too High
P1DC3-00 Medium-Range Hydrogen Pressure Too High
P1DC5-00 FC Air Pressure Too High
P1DC6-18 Air Sealing Valve Circuit Current Below Threshold
P1DC6-19 Air Sealing Valve Circuit Current Above Threshold
P1DC7-11 Air Sealing Valve Position Sensor Circuit Short to Ground
P1DC7-15 Air Sealing Valve Position Sensor Circuit Short to Battery or Open
P1DC8-87 Lost Communication with FC Coolant Pump Inverter Missing Message
P1DC8-96 FC Coolant Pump Inverter Component Internal Failure
P1DCA-31 Hydrogen Detector (Motor Room) No Signal
P1DCF-96 Cell Monitor Component Internal Failure
P1DD0-31 Hydrogen Detector Sensor "A" No Signal
P1DD5-14 Radiator Rotary Valve Circuit 1 Circuit Short to Ground or Open
P1DDA-00 FC Converter Phase U Performance
P1DDA-4B FC Converter Phase U Over Temperature
P1DDA-9E FC Converter Phase U Fail Signal Stuck On
P1DDB-00 FC Converter Phase V Performance
P1DDB-4B FC Converter Phase V Over Temperature
P1DDB-9E FC Converter Phase V Fail Signal Stuck On
P1DDC-00 FC Converter Phase W Performance
P1DDC-4B FC Converter Phase W Over Temperature
P1DDC-9E FC Converter Phase W Fail Signal Stuck On
P1DDD-00 FC Converter Phase X Performance
P1DDD-4B FC Converter Phase X Over Temperature
P1DDD-9E FC Converter Phase X Fail Signal Stuck On
P1DDE-31 Hydrogen Detector Sensor "B" No Signal
P1DDF-00 FC Air Flow Malfunction
P1DDF-79 FC Air Flow Mechanical Linkage Failure
P1DE4-00 FC Cooling System Performance
P1DE5-11 Hydrogen Tank 1 Temperature Sensor Circuit Short to Ground
P1DE5-15 Hydrogen Tank 1 Temperature Sensor Circuit Short to Battery or Open
P1DE5-1C Hydrogen Tank 1 Temperature Sensor Circuit Voltage Out of Range
P1DEA-11 Hydrogen Tank 2 Temperature Sensor Circuit Short to Ground
P1DEA-15 Hydrogen Tank 2 Temperature Sensor Circuit Short to Battery or Open
P1DEF-00 FC System No Activation
P1DFA-11 Hydrogen Intake Pressure Sensor Circuit Short to Ground
P1DFA-15 Hydrogen Intake Pressure Sensor Circuit Short to Battery or Open
P1E00-12 Tank Shut Valve 1 Circuit Short to Battery
P1E00-14 Tank Shut Valve 1 Circuit Short to Ground or Open
P1E10-12 Tank Shut Valve 2 Circuit Short to Battery
P1E10-14 Tank Shut Valve 2 Circuit Short to Ground or Open
P1E19-96 Infrared Transmitter Component Internal Failure
P1E36-7E Tank Shut Valve 1 Actuator Stuck On
P1E40-00 Extreme Hydrogen Leak (Motor Room)
P1E40-7A Hydrogen Leak (Motor Room) Fluid Leak or Seal Failure
P1E41-00 Extreme Hydrogen Leak (Tank Area 1)
P1E41-7A Hydrogen Leak (Tank Area 1) Fluid Leak or Seal Failure
P1E42-7A Hydrogen Leak (Excessive Hydrogen Flow) Fluid Leak or Seal Failure
P1E43-7A Hydrogen Leak (High/Medium Pressure Area) Fluid Leak or Seal Failure
P1E44-7A Hydrogen Leak (Low Pressure Area) Fluid Leak or Seal Failure
P1E48-62 FC Stack Inlet Pressure Sensor/Barometric Pressure Sensor "B" Signal Compare Failure
P1E4A-11 Hydrogen Tank 3 Temperature Sensor Circuit Short to Ground
P1E4A-15 Hydrogen Tank 3 Temperature Sensor Circuit Short to Battery or Open
P1E5A-12 Tank Shut Valve 3 Circuit Short to Battery
P1E5A-14 Tank Shut Valve 3 Circuit Short to Ground or Open
P1E6B-73 Fuel Lid Interlock Actuator Stuck Closed
P1E7A-18 Air Shunt Valve Circuit Current Below Threshold
P1E7A-19 Air Shunt Valve Circuit Current Above Threshold
P1E7B-11 Air Shunt Valve Position Sensor Circuit Short to Ground
P1E7B-15 Air Shunt Valve Position Sensor Circuit Short to Battery or Open
P1E7C-18 Air Pressure Regulating Valve Circuit Current Below Threshold
P1E7C-19 Air Pressure Regulating Valve Circuit Current Above Threshold
P1E7D-11 Air Pressure Regulating Valve Position Sensor Circuit Short to Ground
P1E7D-15 Air Pressure Regulating Valve Position Sensor Circuit Short to Battery or Open
P1E7E-87 Lost Communication with Hybrid/EV Powertrain Control Module (SIL) Missing Message
P1E7F-87 Communication Error from Fuel Cell Control Module to Hybrid/EV Powertrain Control Module Missing Message
P1E90-11 FC Positive Contactor Control Circuit Short to Ground
P1E90-15 FC Positive Contactor Control Circuit Short to Battery or Open
P1E91-11 FC Negative Contactor Control Circuit Short to Ground
P1E91-15 FC Negative Contactor Control Circuit Short to Battery or Open
P1E92-11 FC Precharge Contactor Control Circuit Short to Ground
P1E92-15 FC Precharge Contactor Control Circuit Short to Battery or Open
P1EF2-14 Air Valve Supply Voltage Circuit Short to Ground or Open
P1EF3-94 Fuel Cell Control Module Unexpected Operation
P1EF5-81 Invalid Data Received from Water Heating Heater Invalid Serial Data Received
P1EF6-00 Extreme Hydrogen Leak (Tank Area 2)
P1EF6-7A Hydrogen Leak (Tank Area 2) Fluid Leak or Seal Failure
P1EFD-14 Radiator Rotary Valve Circuit 2 Circuit Short to Ground or Open
P1EFE-14 Radiator Rotary Valve Circuit 3 Circuit Short to Ground or Open
P1EFF-14 Radiator Rotary Valve Circuit 4 Circuit Short to Ground or Open
P1F00-9E FC Converter Overvoltage Signal Stuck On
P1F01-17 FC Converter Output Voltage Circuit Voltage Above Threshold
P1F08-9F FC Shutdown Signal Stuck Off
P1F45-1F FC Converter Control Module Power Relay Sense Circuit Intermittent
P1F4A-1F Fuel Cell Control Module Power Relay Sense Circuit Intermittent
P1F65-1C FC Converter Control Module Power Supply (-5V) Circuit Voltage Out of Range
P1F66-1C FC Converter Control Module Power Supply (+V5AREF) Circuit Voltage Out of Range
P1F6C-71 Air Sealing Valve Actuator Stuck
P1F6D-71 Air Shunt Valve Actuator Stuck
P1F6E-71 Air Pressure Regulating Valve Actuator Stuck
P222A-12 Barometric Pressure Sensor "B" Circuit Short to Battery
P222A-14 Barometric Pressure Sensor "B" Circuit Short to Ground or Open
U0293-87 Lost Communication with Hybrid/EV Powertrain Control Module Missing Message
U0293-87 Lost Communication with Hybrid/EV Powertrain Control Module Missing Message
U1160-87 Lost Communication with FCDC Control Module Missing Message
U1162-87 Lost Communication with Hydrogen Filling Control Module Missing Message
U1492-57 Software incompatibility with Hybrid/EV Powertrain Control Module Invalid/Incompatible Software Component
FC CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [12/2023 - ]

DTC Code Description
P009A-62 Intake Air Temperature/Ambient Air Temperature Correlation Signal Compare Failure
P0100-31 Mass or Volume Air Flow Sensor "A" No Signal
P0110-11 Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Ground
P0110-15 Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Battery or Open
P060B-16 Internal Control Module A/D Processing Performance Circuit Voltage Below Threshold
P060B-1C Internal Control Module A/D Processing Performance Circuit Voltage Out of Range
P060B-1C Internal Control Module A/D Processing Performance Circuit Voltage Out of Range
P060B-49 Internal Control Module A/D Processing Performance Internal Electronic Failure
P060B-49 Internal Control Module A/D Processing Performance Internal Electronic Failure
P060B-71 Internal Control Module A/D Processing Performance Actuator Stuck
P060B-71 Internal Control Module A/D Processing Performance Actuator Stuck
P062F-00 Internal Control Module EEPROM Error
P19FD-73 Air Conditioner Power Supply Relay Actuator Stuck Closed
P1D06-18 FC Converter Phase U Current Circuit Current Below Threshold
P1D06-19 FC Converter Phase U Current Circuit Current Above Threshold
P1D07-18 FC Converter Phase V Current Circuit Current Below Threshold
P1D07-19 FC Converter Phase V Current Circuit Current Above Threshold
P1D08-18 FC Converter Phase W Current Circuit Current Below Threshold
P1D08-19 FC Converter Phase W Current Circuit Current Above Threshold
P1D09-18 FC Converter Phase X Current Circuit Current Below Threshold
P1D09-19 FC Converter Phase X Current Circuit Current Above Threshold
P1D0E-62 Inverter Output Voltage/FC Converter Output Voltage Signal Compare Failure
P1D0F-62 Cell Monitor Voltage/FC Converter Input Voltage Signal Compare Failure
P1D1C-16 FC Converter Output Voltage Sensor Circuit Voltage Below Threshold
P1D1C-17 FC Converter Output Voltage Sensor Circuit Voltage Above Threshold
P1D20-17 FC Converter Input Voltage Sensor Circuit Voltage Above Threshold
P1D24-96 Hydrogen Pump Component Internal Failure
P1D25-11 Radiator Outlet Coolant Temperature Sensor Circuit Short to Ground
P1D25-15 Radiator Outlet Coolant Temperature Sensor Circuit Short to Battery or Open
P1D25-1C Radiator Outlet Coolant Temperature Sensor Circuit Voltage Out of Range
P1D2A-11 FC Stack Outlet Coolant Temperature Sensor Circuit Short to Ground
P1D2A-15 FC Stack Outlet Coolant Temperature Sensor Circuit Short to Battery or Open
P1D2A-1C FC Stack Outlet Coolant Temperature Sensor Circuit Voltage Out of Range
P1D2F-00 FC Coolant Pump Performance
P1D2F-96 FC Coolant Pump Component Internal Failure
P1D30-11 Phase U Reactor Current Sensor Circuit Short to Ground
P1D30-15 Phase U Reactor Current Sensor Circuit Short to Battery or Open
P1D30-1C Phase U Reactor Current Sensor Circuit Voltage Out of Range
P1D30-28 Phase U Reactor Current Sensor Signal Bias Level Out of Range / Zero Adjustment Failure
P1D35-11 Phase V Reactor Current Sensor Circuit Short to Ground
P1D35-15 Phase V Reactor Current Sensor Circuit Short to Battery or Open
P1D35-1C Phase V Reactor Current Sensor Circuit Voltage Out of Range
P1D35-28 Phase V Reactor Current Sensor Signal Bias Level Out of Range / Zero Adjustment Failure
P1D3A-11 Phase W Reactor Current Sensor Circuit Short to Ground
P1D3A-15 Phase W Reactor Current Sensor Circuit Short to Battery or Open
P1D3A-1C Phase W Reactor Current Sensor Circuit Voltage Out of Range
P1D3A-28 Phase W Reactor Current Sensor Signal Bias Level Out of Range / Zero Adjustment Failure
P1D3F-16 FC Stack Internal Voltage Circuit Voltage Below Threshold
P1D40-11 Phase X Reactor Current Sensor Circuit Short to Ground
P1D40-15 Phase X Reactor Current Sensor Circuit Short to Battery or Open
P1D40-1C Phase X Reactor Current Sensor Circuit Voltage Out of Range
P1D40-28 Phase X Reactor Current Sensor Signal Bias Level Out of Range / Zero Adjustment Failure
P1D45-12 Phase U Temperature Sensor Circuit Short to Battery
P1D45-14 Phase U Temperature Sensor Circuit Short to Ground or Open
P1D4A-12 Phase V Temperature Sensor Circuit Short to Battery
P1D4A-14 Phase V Temperature Sensor Circuit Short to Ground or Open
P1D4F-62 Total Reactor Current/FC Current Signal Compare Failure
P1D50-12 Phase W Temperature Sensor Circuit Short to Battery
P1D50-14 Phase W Temperature Sensor Circuit Short to Ground or Open
P1D55-12 Phase X Temperature Sensor Circuit Short to Battery
P1D55-14 Phase X Temperature Sensor Circuit Short to Ground or Open
P1D5F-87 Lost Communication with Cell Monitor Missing Message
P1D7F-62 FC Air Compressor Motor Signal Compare Failure
P1D7F-96 FC Air Compressor Motor Component Internal Failure
P1D83-87 Lost Communication with Hydrogen Pump Inverter Missing Message
P1D83-96 Hydrogen Pump Inverter Component Internal Failure
P1D85-11 Hydrogen Pump Motor Temperature Sensor Circuit Short to Ground
P1D85-15 Hydrogen Pump Motor Temperature Sensor Circuit Short to Battery or Open
P1D8A-11 FC Inter Cooler Outlet Temperature Sensor Circuit Short to Ground
P1D8A-15 FC Inter Cooler Outlet Temperature Sensor Circuit Short to Battery or Open
P1D90-11 FC Stack Inlet Pressure Sensor Circuit Short to Ground
P1D90-15 FC Stack Inlet Pressure Sensor Circuit Short to Battery or Open
P1D9A-1C Hydrogen Injector 1 Circuit Voltage Out of Range
P1DA0-1C Hydrogen Injector 2 Circuit Voltage Out of Range
P1DA5-1C Hydrogen Injector 3 Circuit Voltage Out of Range
P1DAA-12 Exhaust Drainage Valve Circuit Short to Battery
P1DAA-14 Exhaust Drainage Valve Circuit Short to Ground or Open
P1DB0-11 High-Range Hydrogen Pressure Sensor Circuit Short to Ground
P1DB0-15 High-Range Hydrogen Pressure Sensor Circuit Short to Battery or Open
P1DB0-1C High-Range Hydrogen Pressure Sensor Circuit Voltage Out of Range
P1DB5-11 Medium-Range Hydrogen Pressure Sensor Circuit Short to Ground
P1DB5-15 Medium-Range Hydrogen Pressure Sensor Circuit Short to Battery or Open
P1DBA-11 Low-Range Hydrogen Pressure Sensor Circuit Short to Ground
P1DBA-15 Low-Range Hydrogen Pressure Sensor Circuit Short to Battery or Open
P1DC0-00 Low-Range Hydrogen Pressure Too Low
P1DC1-00 Low-Range Hydrogen Pressure Too High
P1DC3-00 Medium-Range Hydrogen Pressure Too High
P1DC5-00 FC Air Pressure Too High
P1DC6-18 Air Sealing Valve Circuit Current Below Threshold
P1DC6-19 Air Sealing Valve Circuit Current Above Threshold
P1DC7-11 Air Sealing Valve Position Sensor Circuit Short to Ground
P1DC7-15 Air Sealing Valve Position Sensor Circuit Short to Battery or Open
P1DC8-87 Lost Communication with FC Coolant Pump Inverter Missing Message
P1DC8-96 FC Coolant Pump Inverter Component Internal Failure
P1DCA-31 Hydrogen Detector (Motor Room) No Signal
P1DCF-96 Cell Monitor Component Internal Failure
P1DD0-31 Hydrogen Detector Sensor "A" No Signal
P1DD5-14 Radiator Rotary Valve Circuit 1 Circuit Short to Ground or Open
P1DDA-00 FC Converter Phase U Performance
P1DDA-4B FC Converter Phase U Over Temperature
P1DDA-9E FC Converter Phase U Fail Signal Stuck On
P1DDB-00 FC Converter Phase V Performance
P1DDB-4B FC Converter Phase V Over Temperature
P1DDB-9E FC Converter Phase V Fail Signal Stuck On
P1DDC-00 FC Converter Phase W Performance
P1DDC-4B FC Converter Phase W Over Temperature
P1DDC-9E FC Converter Phase W Fail Signal Stuck On
P1DDD-00 FC Converter Phase X Performance
P1DDD-4B FC Converter Phase X Over Temperature
P1DDD-9E FC Converter Phase X Fail Signal Stuck On
P1DDE-31 Hydrogen Detector Sensor "B" No Signal
P1DDF-00 FC Air Flow Malfunction
P1DDF-79 FC Air Flow Mechanical Linkage Failure
P1DE4-00 FC Cooling System Performance
P1DE5-11 Hydrogen Tank 1 Temperature Sensor Circuit Short to Ground
P1DE5-15 Hydrogen Tank 1 Temperature Sensor Circuit Short to Battery or Open
P1DE5-1C Hydrogen Tank 1 Temperature Sensor Circuit Voltage Out of Range
P1DEA-11 Hydrogen Tank 2 Temperature Sensor Circuit Short to Ground
P1DEA-15 Hydrogen Tank 2 Temperature Sensor Circuit Short to Battery or Open
P1DEF-00 FC System No Activation
P1DFA-11 Hydrogen Intake Pressure Sensor Circuit Short to Ground
P1DFA-15 Hydrogen Intake Pressure Sensor Circuit Short to Battery or Open
P1E00-12 Tank Shut Valve 1 Circuit Short to Battery
P1E00-14 Tank Shut Valve 1 Circuit Short to Ground or Open
P1E10-12 Tank Shut Valve 2 Circuit Short to Battery
P1E10-14 Tank Shut Valve 2 Circuit Short to Ground or Open
P1E19-96 Infrared Transmitter Component Internal Failure
P1E36-7E Tank Shut Valve 1 Actuator Stuck On
P1E40-00 Extreme Hydrogen Leak (Motor Room)
P1E40-7A Hydrogen Leak (Motor Room) Fluid Leak or Seal Failure
P1E41-00 Extreme Hydrogen Leak (Tank Area 1)
P1E41-7A Hydrogen Leak (Tank Area 1) Fluid Leak or Seal Failure
P1E42-7A Hydrogen Leak (Excessive Hydrogen Flow) Fluid Leak or Seal Failure
P1E43-7A Hydrogen Leak (High/Medium Pressure Area) Fluid Leak or Seal Failure
P1E44-7A Hydrogen Leak (Low Pressure Area) Fluid Leak or Seal Failure
P1E48-62 FC Stack Inlet Pressure Sensor/Barometric Pressure Sensor "B" Signal Compare Failure
P1E4A-11 Hydrogen Tank 3 Temperature Sensor Circuit Short to Ground
P1E4A-15 Hydrogen Tank 3 Temperature Sensor Circuit Short to Battery or Open
P1E5A-12 Tank Shut Valve 3 Circuit Short to Battery
P1E5A-14 Tank Shut Valve 3 Circuit Short to Ground or Open
P1E6B-73 Fuel Lid Interlock Actuator Stuck Closed
P1E7A-18 Air Shunt Valve Circuit Current Below Threshold
P1E7A-19 Air Shunt Valve Circuit Current Above Threshold
P1E7B-11 Air Shunt Valve Position Sensor Circuit Short to Ground
P1E7B-15 Air Shunt Valve Position Sensor Circuit Short to Battery or Open
P1E7C-18 Air Pressure Regulating Valve Circuit Current Below Threshold
P1E7C-19 Air Pressure Regulating Valve Circuit Current Above Threshold
P1E7D-11 Air Pressure Regulating Valve Position Sensor Circuit Short to Ground
P1E7D-15 Air Pressure Regulating Valve Position Sensor Circuit Short to Battery or Open
P1E7E-87 Lost Communication with Hybrid/EV Powertrain Control Module (SIL) Missing Message
P1E7F-87 Communication Error from Fuel Cell Control Module to Hybrid/EV Powertrain Control Module Missing Message
P1E90-11 FC Positive Contactor Control Circuit Short to Ground
P1E90-15 FC Positive Contactor Control Circuit Short to Battery or Open
P1E91-11 FC Negative Contactor Control Circuit Short to Ground
P1E91-15 FC Negative Contactor Control Circuit Short to Battery or Open
P1E92-11 FC Precharge Contactor Control Circuit Short to Ground
P1E92-15 FC Precharge Contactor Control Circuit Short to Battery or Open
P1EF2-14 Air Valve Supply Voltage Circuit Short to Ground or Open
P1EF3-94 Fuel Cell Control Module Unexpected Operation
P1EF5-81 Invalid Data Received from Water Heating Heater Invalid Serial Data Received
P1EF6-00 Extreme Hydrogen Leak (Tank Area 2)
P1EF6-7A Hydrogen Leak (Tank Area 2) Fluid Leak or Seal Failure
P1EFD-14 Radiator Rotary Valve Circuit 2 Circuit Short to Ground or Open
P1EFE-14 Radiator Rotary Valve Circuit 3 Circuit Short to Ground or Open
P1EFF-14 Radiator Rotary Valve Circuit 4 Circuit Short to Ground or Open
P1F00-9E FC Converter Overvoltage Signal Stuck On
P1F01-17 FC Converter Output Voltage Circuit Voltage Above Threshold
P1F08-9F FC Shutdown Signal Stuck Off
P1F45-1F FC Converter Control Module Power Relay Sense Circuit Intermittent
P1F4A-1F Fuel Cell Control Module Power Relay Sense Circuit Intermittent
P1F65-1C FC Converter Control Module Power Supply (-5V) Circuit Voltage Out of Range
P1F66-1C FC Converter Control Module Power Supply (+V5AREF) Circuit Voltage Out of Range
P1F6C-71 Air Sealing Valve Actuator Stuck
P1F6D-71 Air Shunt Valve Actuator Stuck
P1F6E-71 Air Pressure Regulating Valve Actuator Stuck
P222A-12 Barometric Pressure Sensor "B" Circuit Short to Battery
P222A-14 Barometric Pressure Sensor "B" Circuit Short to Ground or Open
U0293-87 Lost Communication with Hybrid/EV Powertrain Control Module Missing Message
U0293-87 Lost Communication with Hybrid/EV Powertrain Control Module Missing Message
U1160-87 Lost Communication with FCDC Control Module Missing Message
U1162-87 Lost Communication with Hydrogen Filling Control Module Missing Message
U1492-57 Software incompatibility with Hybrid/EV Powertrain Control Module Invalid/Incompatible Software Component