P0Axx OBD-II Codes (P0A00–P0A99)
155 fault codes in the P0Axx range. Click any code for causes, diagnostic steps, severity, and common fixes.
P0A00 moderate
Motor Electronics Coolant Temperature Sensor Circuit
P0A01 moderate
Motor Electronics Coolant Temperature Sensor Circuit Range/Performance
P0A02 moderate
Motor Electronics Coolant Temperature Sensor Circuit Low
P0A03 moderate
Motor Electronics Coolant Temperature Sensor Circuit High
P0A04 moderate
Motor Electronics Coolant Temperature Sensor Circuit Intermittent
P0A05 serious
Motor Electronics Coolant Pump "A" Control Circuit/Open
P0A06 serious
Motor Electronics Coolant Pump "A" Control Circuit Low
P0A07 serious
Motor Electronics Coolant Pump "A" Control Circuit High
P0A08 serious
DC/DC Converter Status Circuit
P0A09 serious
DC/DC Converter Status Circuit Low
P0A0A serious
High Voltage System Interlock Circuit
P0A0B serious
High Voltage System Interlock Circuit Performance
P0A0C serious
High Voltage System Interlock Circuit Low
P0A0D serious
High Voltage System Interlock Circuit High
P0A0E serious
High Voltage System Interlock Circuit Intermittent
P0A0F serious
Engine Failed to Start
P0A10 serious
DC/DC Converter Status Circuit High
P0A11 serious
DC/DC Converter Enable Circuit/Open
P0A12 serious
DC/DC Converter Enable Circuit Low
P0A13 serious
DC/DC Converter Enable Circuit High
P0A14 minor
Engine Mount "A" Control Circuit/Open
P0A15 minor
Engine Mount "A" Control Circuit Low
P0A16 minor
Engine Mount "A" Control Circuit High
P0A17 moderate
Motor Torque Sensor Circuit
P0A18 moderate
Motor Torque Sensor Circuit Range/Performance
P0A19 moderate
Motor Torque Sensor Circuit Low
P0A1A serious
Generator Control Module
P0A1B serious
Drive Motor "A" Control Module
P0A1C serious
Drive Motor "B" Control Module
P0A1D serious
Hybrid Powertrain Control Module
P0A1E serious
Starter/Generator Control Module
P0A1F serious
Battery Energy Control Module
P0A20 moderate
Motor Torque Sensor Circuit High
P0A21 moderate
Motor Torque Sensor Circuit Intermittent
P0A22 moderate
Generator Torque Sensor Circuit
P0A23 moderate
Generator Torque Sensor Circuit Range/Performance
P0A24 moderate
Generator Torque Sensor Circuit Low
P0A25 moderate
Generator Torque Sensor Circuit High
P0A26 moderate
Generator Torque Sensor Circuit Intermittent
P0A27 serious
Hybrid Battery Power Off Circuit
P0A28 serious
Hybrid Battery Power Off Circuit Low
P0A29 serious
Hybrid Battery Power Off Circuit High
P0A2A moderate
Drive Motor "A" Temperature Sensor Circuit
P0A2B moderate
Drive Motor "A" Temperature Sensor Circuit Range/Performance
P0A2C moderate
Drive Motor "A" Temperature Sensor Circuit Low
P0A2D moderate
Drive Motor "A" Temperature Sensor Circuit High
P0A2E moderate
Drive Motor "A" Temperature Sensor Circuit Intermittent
P0A2F serious
Drive Motor "A" Over Temperature
P0A30 moderate
Drive Motor "B" Temperature Sensor Circuit
P0A31 moderate
Drive Motor "B" Temperature Sensor Circuit Range/Performance
P0A32 moderate
Drive Motor "B" Temperature Sensor Circuit Low
P0A33 moderate
Drive Motor "B" Temperature Sensor Circuit High
P0A34 moderate
Drive Motor "B" Temperature Sensor Circuit Intermittent
P0A35 serious
Drive Motor "B" Over Temperature
P0A36 moderate
Generator Temperature Sensor Circuit
P0A37 moderate
Generator Temperature Sensor Circuit Range/Performance
P0A38 moderate
Generator Temperature Sensor Circuit Low
P0A39 moderate
Generator Temperature Sensor Circuit High
P0A3A moderate
Generator Temperature Sensor Circuit Intermittent
P0A3B serious
Generator Over Temperature
P0A3C serious
Drive Motor "A" Inverter Over Temperature
P0A3D serious
Drive Motor "B" Inverter Over Temperature
P0A3E serious
Generator Inverter Over Temperature
P0A3F serious
Drive Motor "A" Position Sensor Circuit
P0A40 serious
Drive Motor "A" Position Sensor Circuit Range/Performance
P0A41 serious
Drive Motor "A" Position Sensor Circuit Low
P0A42 serious
Drive Motor "A" Position Sensor Circuit High
P0A43 serious
Drive Motor "A" Position Sensor Circuit Intermittent
P0A44 serious
Drive Motor "A" Position Sensor Circuit Overspeed
P0A45 serious
Drive Motor "B" Position Sensor Circuit
P0A46 serious
Drive Motor "B" Position Sensor Circuit Range/Performance
P0A47 serious
Drive Motor "B" Position Sensor Circuit Low
P0A48 serious
Drive Motor "B" Position Sensor Circuit High
P0A49 serious
Drive Motor "B" Position Sensor Circuit Intermittent
P0A4A serious
Drive Motor "B" Position Sensor Circuit Overspeed
P0A4B serious
Generator Position Sensor Circuit
P0A4C serious
Generator Position Sensor Circuit Range/Performance
P0A4D serious
Generator Position Sensor Circuit Low
P0A4E serious
Generator Position Sensor Circuit High
P0A4F serious
Generator Position Sensor Circuit Intermittent
P0A50 serious
Generator Position Sensor Circuit Overspeed
P0A51 serious
Drive Motor "A" Current Sensor Circuit
P0A52 serious
Drive Motor "A" Current Sensor Circuit Range/Performance
P0A53 serious
Drive Motor "A" Current Sensor Circuit Low
P0A54 serious
Drive Motor "A" Current Sensor Circuit High
P0A55 serious
Drive Motor "B" Current Sensor Circuit
P0A56 serious
Drive Motor "B" Current Sensor Circuit Range/Performance
P0A57 serious
Drive Motor "B" Current Sensor Circuit Low
P0A58 serious
Drive Motor "B" Current Sensor Circuit High
P0A59 serious
Generator Current Sensor Circuit
P0A5A serious
Generator Current Sensor Circuit Range/Performance
P0A5B serious
Generator Current Sensor Circuit Low
P0A5C serious
Generator Current Sensor Circuit High
P0A5D serious
Drive Motor "A" Phase U Current
P0A5E serious
Drive Motor "A" Phase U Current Low
P0A5F serious
Drive Motor "A" Phase U Current High
P0A60 serious
Drive Motor "A" Phase V Current
P0A61 serious
Drive Motor "A" Phase V Current Low
P0A62 serious
Drive Motor "A" Phase V Current High
P0A63 serious
Drive Motor "A" Phase W Current
P0A64 serious
Drive Motor "A" Phase W Current Low
P0A65 serious
Drive Motor "A" Phase W Current High
P0A66 serious
Drive Motor "B" Phase U Current
P0A67 serious
Drive Motor "B" Phase U Current Low
P0A68 serious
Drive Motor "B" Phase U Current High
P0A69 serious
Drive Motor "B" Phase V Current
P0A6A serious
Drive Motor "B" Phase V Current Low
P0A6B serious
Drive Motor "B" Phase V Current High
P0A6C serious
Drive Motor "B" Phase W Current
P0A6D serious
Drive Motor "B" Phase W Current Low
P0A6E serious
Drive Motor "B" Phase W Current High
P0A6F serious
Generator Phase U Current
P0A70 serious
Generator Phase U Current Low
P0A71 serious
Generator Phase U Current High
P0A72 serious
Generator Phase V Current
P0A73 serious
Generator Phase V Current Low
P0A74 serious
Generator Phase V Current High
P0A75 serious
Generator Phase W Current
P0A76 serious
Generator Phase W Current Low
P0A77 serious
Generator Phase W Current High
P0A78 serious
Drive Motor "A" Inverter Performance
P0A79 serious
Drive Motor "B" Inverter Performance
P0A7A serious
Generator Inverter Performance
P0A7B moderate
Battery Energy Control Module Requested MIL Illumination
P0A7C serious
Motor Electronics Over Temperature
P0A7D serious
Hybrid Battery Pack State of Charge Low
P0A7E critical
Hybrid Battery Pack Over Temperature
P0A7F critical
Hybrid Battery Pack Deterioration
P0A80 critical
Replace Hybrid Battery Pack
P0A81 serious
Hybrid Battery Pack Cooling Fan 1 Control Circuit/Open
P0A82 serious
Hybrid Battery Pack Cooling Fan 1 Performance/Stuck Off
P0A83 moderate
Hybrid Battery Pack Cooling Fan 1 Stuck On
P0A84 serious
Hybrid Battery Pack Cooling Fan 1 Control Circuit Low
P0A85 serious
Hybrid Battery Pack Cooling Fan 1 Control Circuit High
P0A86 moderate
14 Volt Power Module Current Sensor Circuit
P0A87 moderate
14 Volt Power Module Current Sensor Circuit Range/Performance
P0A88 moderate
14 Volt Power Module Current Sensor Circuit Low
P0A89 moderate
14 Volt Power Module Current Sensor Circuit High
P0A8A moderate
14 Volt Power Module Current Sensor Circuit Intermittent
P0A8B serious
14 Volt Power Module System Voltage
P0A8C serious
14 Volt Power Module System Voltage Unstable
P0A8D serious
14 Volt Power Module System Voltage Low
P0A8E serious
14 Volt Power Module System Voltage High
P0A8F serious
14 Volt Power Module System Performance
P0A90 serious
Drive Motor "A" Performance
P0A91 serious
Drive Motor "B" Performance
P0A92 serious
Hybrid Generator Performance
P0A93 serious
Inverter "A" Cooling System Performance
P0A94 critical
DC/DC Converter Performance
P0A95 critical
High Voltage Fuse
P0A96 serious
Hybrid Battery Pack Cooling Fan 2 Control Circuit/Open
P0A97 serious
Hybrid Battery Pack Cooling Fan 2 Performance/Stuck Off
P0A98 moderate
Hybrid Battery Pack Cooling Fan 2 Stuck On
P0A99 serious
Hybrid Battery Pack Cooling Fan 2 Control Circuit Low
P0AA0 critical
Hybrid Battery Positive Contactor Circuit