P0Axx Hybrid Fault Codes

P0Axx Hybrid Fault Codes

This is a list of P0A00-P0AFF OBD-II Diagnostic Trouble Codes (DTCs). They all start with P0A, the first letter P denotes powertrain related codes, the next two 0A characters indicate they are generic hybrid related codes. The codes below are considered generic as they apply to all makes / models of OBD-II vehicles, although the specific diagnostic and repair steps may vary.

We have literally thousands of other codes listed on the site, use the links below to navigate to other code lists. If you can't find what you are looking for, use our search engine or ask a question on the forums.

Quick links to other trouble codes (starting with): P00xx: P01xx: P02xx: P03xx: P04xx: P05xx: P06xx: P07xx: P08xx: P09xx: P0Axx: P0Bxx: P0Cxx: P1 ***: P20xx: P21xx: P22xx: P23xx: P24xx: P25xx: P26xx: P27xx: P28 / P29 / P2A / P2B: P34xx

For all other codes not listed in the links above or below, see our list of major trouble codes.

OBD-II Diagnostic Trouble Codes - Hybrid Trouble Codes P0Axx, P0Bxx, P0Cxx

• P0A00 Engine Electronics Coolant Temperature Sensor Circuit
• P0A01 Range / Performance
• P0A02 Low indicator circuit of the coolant temperature sensor engine electronics
• P0A03 High signal in the engine electronics coolant temperature sensor circuit
• P0A04 Engine Electronics Coolant Temperature Sensor Circuit Malfunction
• P0A05 Engine electronics coolant pump control circuit "A" / open
• P0A06 Low signal level in the coolant pump control circuit "A" engine electronics
• P0A07 Engine electronics coolant pump control circuit "A", high signal
• P0A08 DC / DC Converter Status Circuit
• P0A09 Low indicator circuit status of the DC-to-DC converter
• P0A0A System Lockout Circuit High Voltage
• P0A0B High voltage system lock circuit
• P0A0C High voltage in the system lock circuit, low signal level
• P0A0D High voltage in the system lock circuit, high voltage
• P0A0E High voltage in the system lock circuit is not constant
• P0A0F Engine does not start
• P0A10 DC / DC Converter Status Circuit High Signal
• P0A11 Open circuit of switching on of the DC-to-DC converter
• P0A12 Low rate of the DC-to-DC converter enable circuit
• P0A13 High level of the signal to enable the DC-to-DC converter
• P0A14 Engine Mount "A" Control Circuit / Open
• P0A15 Engine support "A" Low indicator of the control circuit
• P0A16 Motor Mount "A" Control Circuit High
• P0A17 Engine Torque Sensor Circuit
• P0A18 Engine Torque Sensor Circuit Out of Range / Performance
• P0A19 Low engine torque sensor circuit
• P0A1A Generator control module
• P0A1B Drive motor control module "A"
• P0A1C Drive motor control module "B"
• P0A1D Hybrid Powertrain Control Module
• P0A1E Starter / Alternator Control Module
• P0A1F Battery Energy Control Module
• P0A20 High engine torque sensor circuit
• P0A21 Engine Torque Sensor Circuit Malfunction
• P0A22 Generator Torque Sensor Circuit
• P0A23 Generator Torque Sensor Circuit Out of Range / Performance
• P0A24 Low generator torque sensor circuit
• P0A25 High generator torque sensor circuit
• P0A26 Generator Torque Sensor Circuit Unstable
• P0A27 Hybrid battery cut-off circuit
• P0A28 Hybrid Battery Power Cut-off Circuit Low Voltage
• P0A29 Hybrid battery power cut-off circuit high voltage
• P0A2A Drive motor temperature sensor "A"
• P0A2B Drive motor temperature sensor "A" circuit out of range / performance
• P0A2C Low drive motor temperature sensor circuit "A"
• P0A2D Drive motor temperature sensor "A" circuit high signal
• P0A2E Drive Motor Temperature Sensor Circuit Malfunction "A"
• P0A2F Drive motor "A" overheating
• P0A30 Drive motor temperature sensor "B"
• P0A31 Drive Motor Temperature Sensor Circuit Range / Performance "B"
• P0A32 Low drive motor temperature sensor circuit "B"
• P0A33 High signal in the temperature sensor circuit of the drive motor "B"
• P0A34 Drive Motor Temperature Sensor Circuit Malfunction "B"
• P0A35 Drive motor "B" overheating
• P0A36 Generator Temperature Sensor Circuit
• P0A37 Generator temperature sensor circuit out of range / performance
• P0A38 Low generator temperature sensor circuit
• P0A39 A high generator temperature sensor circuit
• P0A3A Generator Temperature Sensor Circuit Malfunction
• P0A3B Generator overheating
• P0A3C Overheating of the inverter of the drive motor "A"
• P0A3D Overheating of the inverter of the drive motor "B"
• P0A3E Generator inverter overheating
• P0A3F Drive motor position sensor circuit "A"
• P0A40 Drive motor position sensor circuit "A" out of range / performance
• P0A41 Low drive motor position sensor circuit "A"
• P0A42 High signal in the drive motor position sensor circuit "A"
• P0A43 Drive Motor Position Sensor Circuit Malfunction "A"
• P0A44 Overspeed drive motor position sensor circuit "A"
• P0A45 Drive motor position sensor circuit "B"
• P0A46 Drive motor position sensor circuit "B" out of range / performance
• P0A47 Low drive motor position sensor circuit "B"
• P0A48 High signal in the drive motor position sensor circuit "B"
• P0A49 Drive Motor Position Sensor Circuit Malfunction "B"
• P0A4A Overspeed drive motor position sensor circuit "B"
• P0A4B Generator Position Sensor Circuit
• P0A4C Generator Position Sensor Circuit Out of Range / Performance
• P0A4D Low indicator circuit generator position sensor
• P0A4E A high generator position sensor circuit
• P0A4F Alternator Position Sensor Circuit Malfunction
• P0A50 Overspeed generator position sensor circuit
• P0A51 Drive motor current sensor "A"
• P0A52 Drive motor current sensor circuit "A" out of range / performance
• P0A53 Low drive motor current sensor circuit "A"
• P0A54 High signal in the drive motor current sensor circuit "A"
• P0A55 Drive motor current sensor "B"
• P0A56 Drive motor current sensor circuit "B" out of range / performance
• P0A57 Low drive motor current sensor circuit "B"
• P0A58 High signal in the drive motor current sensor circuit "B"
• P0A59 Generator current sensor circuit
• P0A5A Alternator Current Sensor Circuit Range / Performance
• P0A5B Low indicator of the generator current sensor circuit
• P0A5C A high generator current sensor circuit
• P0A5D Drive motor "A" phase U current
• P0A5E Low current of phase U of the drive motor "A"
• P0A5F High current of phase U of the drive motor "A"
• P0A60 Drive motor "A" phase V current
• P0A61 Low current phase V of the drive motor "A"
• P0A62 Drive motor "A" phase V high current
• P0A63 Drive motor "A" phase W current
• P0A64 Low current phase W of the drive motor "A"
• P0A65 High current of phase W of the drive motor "A"
• P0A66 Drive motor "B", phase U, current
• P0A67 Low current of phase U of the drive motor "B"
• P0A68 High current of phase U of the drive motor "B"
• P0A69 Drive motor "B" phase V current
• P0A6A Low current phase V of the drive motor "B"
• P0A6B Drive motor "B" phase V high current
• P0A6C Drive motor "B" phase W current
• P0A6D Low current of phase W of the drive motor "B"
• P0A6E High current of phase W of the drive motor "B"
• P0A6F Generator phase U current
• P0A70 Low current of phase U of the generator
• P0A71 High current of phase U of the generator
• P0A72 Generator phase V current
• P0A73 Low current of phase V of the generator
• P0A74 High current of phase V of the generator
• P0A75 Generator phase W current
• P0A76 Low current phase W generator
• P0A77 High current phase W generator
• P0A78 Inverter operation of the drive motor "A"
• P0A79 Inverter operation of the drive motor "B"
• P0A7A Generator Inverter Performance
• P0A7B Battery Energy Control Module has requested a MIL
• P0A7C Overheating of the engine electronics
• P0A7D Hybrid battery pack Low battery
• P0A7E Hybrid battery pack overheated
• P0A7F Hybrid Battery Worn
• P0A80 Replace the hybrid battery
• P0A81 Hybrid Battery Cooling Fan 1 Control Circuit / Open
• P0A82 Hybrid Battery Pack Cooling Fan 1 Runs / Freezes
• P0A83 HBC Cooling Fan 1 Stuck On
• P0A84 Low rate of the control circuit of the cooling fan 1 of the battery pack
• P0A85 High signal in the cooling fan 1 control circuit of the battery pack
• P0A86 14V Power Module Current Sensor Circuit
• P0A87 14V Power Module Current Sensor Circuit Range / Performance
• P0A88 Low 14 volt power module current sensor circuit
• P0A89 High power module current sensor circuit 14 volts
• P0A8A 14 V Power Module Current Sensor Circuit Intermittent
• P0A8B Power Module System Voltage 14 V
• P0A8C 14V Power Supply Module System Voltage Unstable
• P0A8D 14V Power Supply Module System Voltage Low
• P0A8E 14V Power Module System High Voltage
• P0A8F 14V Power Supply Module System Performance
• P0A90 Drive Motor "A" Performance
• P0A91 Drive motor "B" Performance
• P0A92 Hybrid Generator Performance
• P0A93 Inverter "A" Cooling system operation
• P0A94 DC / DC Converter Performance
• P0A95 High voltage fuse
• P0A96 Hybrid Battery Cooling Fan 2 Control Circuit / Open
• P0A97 Hybrid Battery Pack Cooling Fan 2 Runs / Freezes
• P0A98 HBC Cooling Fan 2 Stuck On
• P0A99 Low rate of the control circuit of the cooling fan 2 of the battery pack
• P0A9A A high rate of control circuit of the cooling fan 2 of the battery pack
• P0A9B Hybrid Battery Temperature Sensor "A"
• P0A9C Hybrid battery temperature sensor "A" - range/performance
• P0A9D Hybrid battery temperature sensor "A" low signal
• P0A9E Hybrid battery temperature sensor "A", high signal level
• P0A9F Unstable / unstable hybrid battery temperature sensor "A" circuit
• P0AA0 Hybrid Battery Positive Contactor Circuit
• P0AA1 Hybrid Battery Positive Contactor Circuit Stuck Closed
• P0AA2 Hybrid Battery Positive Contactor Circuit Stuck Open
• P0AA3 Hybrid Battery Negative Contactor Circuit
• P0AA4 Hybrid Battery Negative Contactor Circuit Stuck Closed
• P0AA5 Hybrid battery negative contactor circuit stuck open
• P0AA6 Hybrid Battery Voltage System Isolation Malfunction
• P0AA7 Hybrid Battery Voltage Isolation Sensor Circuit
• P0AA8 Hybrid Battery Voltage Isolation Sensor Circuit Range / Performance
• P0AA9 Hybrid Battery Voltage Isolation Sensor Circuit Low Voltage
• P0AAA Hybrid Battery Voltage Isolation Sensor Circuit High
• P0AAB HV Battery Voltage Isolation Sensor Circuit Intermittent / Intermittent
• P0AAC Hybrid Battery Pack Air Temperature Sensor A Circuit
• P0AAD Range / Performance
• P0AAE Hybrid battery pack, air temperature sensor "A", low signal
• P0AAF Hybrid battery pack, air temperature sensor "A", high signal level P0AB0 Intermittent / unstable
• P0AB1 Hybrid battery air temperature sensor "B" circuit
• P0AB2 Hybrid Battery Pack Air Temperature Sensor "B" Circuit Range / Performance
• P0AB3 Hybrid battery air temperature sensor "B", low signal level
• P0AB4 Hybrid battery pack, air temperature sensor "B", high signal
• P0AB5 Intermittent / Unstable P0AB6 Motor Mount "B" Control Circuit / Open
• P0AB7 Engine support "B", low signal level in the control circuit
• P0AB8 Engine suspension "B", high signal in the control circuit
• P0AB9 Hybrid System Performance
• P0ABA hybrid battery voltage sensor circuit "A"
• P0ABB Hybrid Battery Voltage Sensor "A" Circuit Range / Performance
• P0ABC Hybrid Battery Pack Voltage Sense "A" Circuit Low
• P0ABD Hybrid Battery Pack Voltage Sense "A" Circuit High
• P0ABE Hybrid Battery Pack Voltage Sense "A" Unstable / unstable circuit
• P0ABF Hybrid Battery Current Sensor A Circuit
• P0AC0 Hybrid Battery Current Sensor "A" Circuit Range / Performance
• P0AC1 Hybrid Battery Current Sensor A Low
• P0AC2 Hybrid battery current sensor "A", high signal level
• P0AC3 Hybrid Battery "A" Current Sensor Circuit Intermittent / Intermittent
• P0AC4 Hybrid Powertrain Control Module has requested a MIL
• P0AC5 Hybrid Battery Temperature Sensor "B"
• P0AC6 Hybrid battery temperature sensor "B" - range/performance
• P0AC7 Hybrid battery temperature sensor "B", low signal level
• P0AC8 Hybrid battery temperature sensor "B", high signal level
• P0AC9 Unstable / unstable hybrid battery temperature sensor "B" circuit
• P0ACA Hybrid Battery Temperature Sensor C Circuit
• P0ACB Hybrid Battery Temperature Sensor "C" Range / Performance
• P0ACC Hybrid battery temperature sensor "C" low signal level
• P0ACD Hybrid battery temperature sensor "C" high signal level
• P0ACE Hybrid Battery "C" Temperature Sensor Circuit Unstable / Unstable
• P0ACF Hybrid battery pack, cooling fan 3, control circuit / open
• P0AD0 Hybrid Battery Pack Cooling Fan 3 Runs / Freezes
• P0AD1 Hybrid Battery Pack Cooling Fan 3 Stuck On
• P0AD2 Low signal in the control circuit of the cooling fan 3 of the hybrid battery unit
• P0AD3 High signal in the control circuit of the cooling fan 3 of the hybrid battery unit
• P0AD4 Hybrid Battery Pack Air Flow System Insufficient Airflow
• P0AD5 Hybrid battery air flow valve control circuit "A" / open
• P0AD6 Range / Performance
• P0AD7 Hybrid battery pack, air flow control valve "A", low signal
• P0AD8 Hybrid battery pack, air flow valve "A", high signal
• P0AD9 Hybrid Battery Positive Contactor Control Circuit / Open
• P0ADA Range / Performance
• P0ADB - Hybrid battery positive contactor control circuit low
• P0ADC - HV battery positive contactor control circuit high
• P0ADD HV Battery Negative Contactor Control Circuit / Open
• P0ADE Range / Performance
• P0ADF Hybrid Battery Negative Contactor Control Circuit Low
• P0AE0 Hybrid Battery Negative Contactor Control Circuit High
• P0AE1 Hybrid Battery Precharge Contactor Circuit
• P0AE2 Hybrid Battery Precharge Contactor Circuit Stuck Closed
• P0AE3 Hybrid Battery Precharge Contactor Circuit Stuck Open
• P0AE4 Hybrid Battery Precharge Contactor Control Circuit
• P0AE5 Range / Performance
• P0AE6 Hybrid Battery Precharge Contactor Control Circuit Low
• P0AE7 Hybrid Battery Precharge Contactor Control Circuit High
• P0AE8 Hybrid battery temperature sensor circuit "D"
• P0AE9 Hybrid battery temperature sensor "D" - range/performance
• P0AEA Hybrid battery temperature sensor "D", low signal level
• P0AEB Hybrid battery temperature sensor "D", high signal level
• P0AEC Hybrid Battery Temperature Sensor "D" Circuit Intermittent / Intermittent
• P0AED Drive Motor Inverter Temperature Sensor "A"
• P0AEE Range / Performance
• P0AEF Drive motor inverter temperature sensor "A", low signal
• P0AF0 Drive motor inverter temperature sensor "A" high signal
• P0AF1 Intermittent / unstable
• P0AF2 Drive motor inverter temperature sensor "B"
• P0AF3 Range / Performance
• P0AF4 Drive Motor Inverter Temperature Sensor B Circuit Low
• P0AF5 High signal level in the temperature sensor circuit of the inverter of the drive motor "B"
• P0AF6 Intermittent / unstable
• P0AF7 The internal temperature of the 14 V power supply module is too high
• P0AF8 Hybrid Battery System Voltage
• P0AF9 HV Battery System Voltage Unstable
• P0AFA Hybrid Battery System Low Voltage
• P0AFB Hybrid Battery System Voltage High
• P0AFC Hybrid Battery Sensor Module
• P0AFD HV Battery Temperature Too Low
• P0AFE Conversion
• P0AFF System voltage too low for voltage down conversion

Next: Trouble Codes P0B00-P0BFF

Quick links to other trouble codes (starting with): P00xx: P01xx: P02xx: P03xx: P04xx: P05xx: P06xx: P07xx: P08xx: P09xx: P0Axx: P0Bxx: P0Cxx: P1 ***: P20xx: P21xx: P22xx: P23xx: P24xx: P25xx: P26xx: P27xx: P28 / P29 / P2A / P2B: P34xx

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