- U3539High Voltage System Interlock Circuit MFull content
- U353AHigh Voltage System Interlock Circuit M PerformanceFull content
- U353BHigh Voltage System Interlock Circuit M LowFull content
- U353CHigh Voltage System Interlock Circuit M HighFull content
- U353DHigh Voltage System Interlock Circuit NFull content
- U353EHigh Voltage System Interlock Circuit N PerformanceFull content
- U353FHigh Voltage System Interlock Circuit N LowFull content
- U3540High Voltage System Interlock Circuit N HighFull content
- U3541High Voltage System Interlock Circuit OFull content
- U3542High Voltage System Interlock Circuit O PerformanceFull content
- U3543High Voltage System Interlock Circuit O LowFull content
- U3544High Voltage System Interlock Circuit O HighFull content
- U3545High Voltage System Interlock Circuit PFull content
- U3546High Voltage System Interlock Circuit P PerformanceFull content
- U3547High Voltage System Interlock Circuit P LowFull content
- U3548High Voltage System Interlock Circuit P HighFull content
- U3549Hydrogen Tank High Pressure Sensor 1 CircuitFull content
- U354AHydrogen Tank A Temperature Sensor 1 CircuitFull content
- U354BHydrogen Tank A Temperature Sensor 2 CircuitFull content
- U354CHydrogen Tank B Temperature Sensor 1 CircuitFull content
- U354DHydrogen Tank B Temperature Sensor 2 CircuitFull content
- U354EHydrogen Tank C Temperature Sensor 1 CircuitFull content
- U354FHydrogen Tank C Temperature Sensor 2 CircuitFull content
- U3550Hydrogen Tank A Valve Control CircuitFull content
- U3551Hydrogen Tank A Valve Enable CircuitFull content
- U3552Hydrogen Tank A Valve PerformanceFull content
- U3553Hydrogen Tank B Valve Control CircuitFull content
- U3554Hydrogen Tank B Valve Enable CircuitFull content
- U3555Hydrogen Tank B Valve PerformanceFull content
- U3556Hydrogen Tank C Valve Control CircuitFull content
- U3557Hydrogen Tank C Valve Enable CircuitFull content
- U3558Hydrogen Tank C ValveFull content
- U3559Air Inlet Pressure Sensor CircuitFull content
- U355ACharge Air Cooler Outlet Pressure Sensor 1 CircuitFull content
- U355BCharge Air Cooler Outlet Pressure Sensor 2 CircuitFull content
- U355CCharge Air Cooler Outlet Temperature Sensor CircuitFull content
- U355DExpander Inlet Pressure Sensor 1 CircuitFull content
- U355EExpander Inlet Pressure Sensor 2 CircuitFull content
- U355FCathode Backpressure Valve Control CircuitFull content
- U3560Cathode Backpressure Valve Position Sensor CircuitFull content
- U3561Cathode Bypass Valve Control CircuitFull content
- U3562Cathode Bypass ValveFull content
- U3563Cathode Bypass Valve Position Sensor CircuitFull content
- U3564Hydrogen Supply Line A Pressure Sensor 1 CircuitFull content
- U3565Hydrogen Supply Line A Pressure Sensor 2 CircuitFull content
- U3566Anode Inlet Pressure Sensor 1 CircuitFull content
- U3567Anode Inlet Pressure Sensor 2 CircuitFull content
- U3568Anode Multifunction Valve Control CircuitFull content
- U3569Anode Multifunction ValveFull content
- U356AAnode Drain Valve Control CircuitFull content
- U356BAnode Drain ValveFull content
- U356CAnode Header Drain Valve Control CircuitFull content
- U356DAnode Header Drain ValveFull content
- U356EAnode Drain Valve Heater Relay Control CircuitFull content
- U356FAnode Header Drain Valve Heater Relay Control CircuitFull content
- U3570Stack Inlet Coolant Temperature Sensor CircuitFull content
- U3571Stack Outlet Coolant Temperature Sensor 1 CircuitFull content
- U3572Stack Outlet Coolant Temperature Sensor 2 CircuitFull content
- U3573Coolant Mixing Valve Control CircuitFull content
- U3574Coolant Mixing ValveFull content
Other systems
This information follows the generic OBD-II definition and does not replace a vehicle-specific diagnosis. The severity rating is rule-based; an authorised diagnostic reading is required for a definitive answer.