P30xx OBD-II Codes (P3000–P3099)

100 fault codes in the P30xx range. Click any code for causes, diagnostic steps, severity, and common fixes.

P3000 critical
Hybrid Battery Pack Malfunction
P3001 moderate
Hybrid Battery Pack Voltage Low
P3002 moderate
Hybrid Battery Pack Voltage High
P3003 moderate
Hybrid Battery Pack State of Charge Low
P3004 moderate
Hybrid Battery Pack State of Charge Too High
P3005 critical
Hybrid Battery Pack Temperature Too High
P3006 critical
Hybrid Battery Pack Temperature Too Low
P3007 critical
Hybrid Battery Pack Temperature Sensor Circuit
P3008 critical
Hybrid Battery Pack Temperature Sensor Range/Performance
P3009 moderate
Hybrid Battery Pack Cooling Fan Circuit
P3010 moderate
Hybrid Battery Pack Cooling Fan Performance
P3011 moderate
Hybrid Battery Pack Cooling System Insufficient
P3012 moderate
Hybrid Battery Pack Voltage Sensor Circuit
P3013 moderate
Hybrid Battery Pack Voltage Sensor Range/Performance
P3014 moderate
Hybrid Battery Pack Current Sensor Circuit
P3015 moderate
Hybrid Battery Pack Current Sensor Range/Performance
P3016 moderate
Hybrid Battery Pack Internal Resistance High
P3017 moderate
Hybrid Battery Pack Cell Imbalance Detected
P3018 moderate
Hybrid Battery Pack Contactor Circuit
P3019 critical
Hybrid Battery Pack Contactor Stuck Closed
P3020 moderate
Hybrid Battery Management System Communication Error
P3021 critical
Hybrid Battery Management System Internal Fault
P3022 critical
Hybrid Battery Pack Isolation Fault
P3023 critical
Hybrid Battery Pack Isolation Resistance Low
P3024 moderate
Hybrid Battery Module 1 Voltage Low
P3025 moderate
Hybrid Battery Module 1 Voltage High
P3026 moderate
Hybrid Battery Module 2 Voltage Low
P3027 moderate
Hybrid Battery Module 2 Voltage High
P3028 moderate
Hybrid Battery Module 3 Voltage Low
P3029 moderate
Hybrid Battery Module 3 Voltage High
P3030 moderate
Hybrid Battery Module 4 Voltage Low
P3031 moderate
Hybrid Battery Module 4 Voltage High
P3032 moderate
Hybrid Battery Module 5 Voltage Low
P3033 moderate
Hybrid Battery Module 5 Voltage High
P3034 moderate
Hybrid Battery Module 6 Voltage Low
P3035 moderate
Hybrid Battery Module 6 Voltage High
P3036 moderate
Hybrid Battery Module 7 Voltage Low
P3037 moderate
Hybrid Battery Module 7 Voltage High
P3038 moderate
Hybrid Battery Module 8 Voltage Low
P3039 moderate
Hybrid Battery Module 8 Voltage High
P3040 moderate
Electric Motor A Phase U Current High
P3041 moderate
Electric Motor A Phase V Current High
P3042 moderate
Electric Motor A Phase W Current High
P3043 moderate
Electric Motor A Resolver Signal Lost
P3044 moderate
Electric Motor A Resolver Signal Invalid
P3045 critical
Electric Motor A Overtemperature Shutdown
P3046 critical
Electric Motor A Stator Winding Short
P3047 moderate
Electric Motor A Rotor Position Error
P3048 moderate
Electric Motor A Torque Delivery Error
P3049 moderate
Electric Motor A Speed Limiter Active
P3050 moderate
Electric Motor B Phase U Current High
P3051 moderate
Electric Motor B Phase V Current High
P3052 moderate
Electric Motor B Phase W Current High
P3053 moderate
Electric Motor B Resolver Signal Lost
P3054 moderate
Electric Motor B Resolver Signal Invalid
P3055 critical
Electric Motor B Overtemperature Shutdown
P3056 critical
Electric Motor B Stator Winding Short
P3057 moderate
Electric Motor B Rotor Position Error
P3058 moderate
Electric Motor B Torque Delivery Error
P3059 moderate
Electric Motor B Speed Limiter Active
P3060 moderate
DC-DC Converter Output Voltage Low
P3061 moderate
DC-DC Converter Output Voltage High
P3062 critical
DC-DC Converter Overtemperature
P3063 critical
DC-DC Converter Internal Fault
P3064 critical
Main Inverter Overtemperature
P3065 moderate
Main Inverter Phase U Overcurrent
P3066 moderate
Main Inverter Phase V Overcurrent
P3067 moderate
Main Inverter Phase W Overcurrent
P3068 moderate
Main Inverter Communication Error
P3069 critical
Main Inverter Internal Fault
P3070 critical
Secondary Inverter Overtemperature
P3071 moderate
Secondary Inverter Phase U Overcurrent
P3072 moderate
Secondary Inverter Phase V Overcurrent
P3073 moderate
Secondary Inverter Phase W Overcurrent
P3074 moderate
Secondary Inverter Communication Error
P3075 critical
Secondary Inverter Internal Fault
P3076 moderate
Boost Converter Output Voltage Low
P3077 moderate
Boost Converter Output Voltage High
P3078 critical
Boost Converter Overtemperature
P3079 critical
Boost Converter Internal Fault
P3080 critical
Onboard Charger Circuit Malfunction
P3081 moderate
Onboard Charger Communication Error
P3082 moderate
Onboard Charger Output Voltage Error
P3083 critical
Onboard Charger Overtemperature
P3084 critical
Charge Port Circuit Malfunction
P3085 moderate
Charge Port Lock Actuator Failure
P3086 moderate
Charge Port Communication Error
P3087 moderate
Charge Port Pilot Signal Error
P3088 moderate
Vehicle Power Limitation - Battery SOC Low
P3089 critical
Vehicle Power Limitation - Battery Temperature
P3090 critical
Vehicle Power Limitation - Inverter Temperature
P3091 critical
Vehicle Power Limitation - Motor Temperature
P3092 critical
Regenerative Braking System Malfunction
P3093 moderate
Regenerative Braking Force Reduced
P3094 moderate
Hybrid Powertrain Control Module Internal Error
P3095 moderate
Hybrid Powertrain Control Module Communication Lost
P3096 critical
High Voltage System Precharge Circuit Fault
P3097 critical
High Voltage System Precharge Time Exceeded
P3098 critical
High Voltage Interlock Circuit Open
P3099 critical
High Voltage Interlock Circuit Malfunction
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