Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2020 Lexus UX 200 BaseFACTORY OEM SERVICE PROCEDURE
Hybrid Control System
HYBRID CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| P0560-14 | System Voltage (BATT) Circuit Short to Ground or Open |
| P0606-47 | Hybrid/EV Powertrain Control Module Processor Watchdog / Safety MCU Failure |
| P0606-87 | Hybrid/EV Powertrain Control Module Processor to Monitoring Processor Missing Message |
| P0606-94 | Hybrid/EV Powertrain Control Module Processor Unexpected Operation |
| P060A-29 | Hybrid/EV Powertrain Control Module Monitoring Processor Signal Invalid |
| P060A-44 | Hybrid/EV Powertrain Control Module Monitoring Processor Data Memory Failure |
| P060A-45 | Hybrid/EV Powertrain Control Module Monitoring Processor Program Memory Failure |
| P060A-47 | Hybrid/EV Powertrain Control Module Monitoring Processor Watchdog / Safety MCU Failure |
| P060A-49 | Hybrid/EV Powertrain Control Module Monitoring Processor Internal Electronic Failure |
| P060A-87 | Hybrid/EV Powertrain Control Module Processor from Monitoring Processor Missing Message |
| P060A-94 | Hybrid/EV Powertrain Control Module Monitoring Processor Unexpected Operation |
| P060B-1C | Hybrid/EV Powertrain Control Module A/D Processing Voltage Out of Range |
| P060B-49 | Hybrid/EV Powertrain Control Module A/D Processing Internal Electronic Failure |
| P060B-71 | Hybrid/EV Powertrain Control Module A/D Processing Actuator Stuck |
| P062F-44 | Hybrid/EV Powertrain Control Module EEPROM Data Memory Failure |
| P062F-46 | Hybrid/EV Powertrain Control Module EEPROM Calibration / Parameter Memory Failure |
| P0688-1F | ECM/PCM Power Relay Sense Circuit Intermittent |
| P0705-62 | Transmission Range Sensor "A" Circuit (PRNDL Input) Signal Compare Failure |
| P0A0A-13 | High Voltage System Interlock Circuit Open |
| P0A0A-92 | High Voltage System Interlock Performance or Incorrect Operation |
| P0A1B-49 | Drive Motor "A" Control Module Internal Electronic Failure |
| P0A1B-94 | Drive Motor "A" Control Module Unexpected Operation |
| P0A1C-94 | Drive Motor "B" Control Module Unexpected Operation |
| P0A2A-11 | Drive Motor "A" Temperature Sensor Circuit Short to Ground |
| P0A2A-15 | Drive Motor "A" Temperature Sensor Circuit Short to Auxiliary Battery or Open |
| P0A2A-1C | Drive Motor "A" Temperature Sensor Voltage Out of Range |
| P0A2A-1F | Drive Motor "A" Temperature Sensor Circuit Intermittent |
| P0A30-11 | Drive Motor "B" Temperature Sensor Circuit Short to Ground |
| P0A30-15 | Drive Motor "B" Temperature Sensor Circuit Short to Battery or Open |
| P0A30-1C | Drive Motor "B" Temperature Sensor Circuit Voltage Out of Range |
| P0A30-1F | Drive Motor "B" Temperature Sensor Circuit Intermittent |
| P0A36-11 | Generator Temperature Sensor Circuit Short to Ground |
| P0A36-15 | Generator Temperature Sensor Circuit Short to Auxiliary Battery or Open |
| P0A36-1C | Generator Temperature Sensor Voltage Out of Range |
| P0A36-1F | Generator Temperature Sensor Circuit Intermittent |
| P0A81-00 | Hybrid/EV Battery Cooling Fan 1 Control Circuit High |
| P0A81-11 | Hybrid/EV Battery Cooling Fan 1 Circuit Short to Ground |
| P0A81-15 | Hybrid/EV Battery Cooling Fan 1 Circuit Short to Auxiliary Battery or Open |
| P0A81-4B | Hybrid/EV Battery Cooling Fan 1 Over Temperature |
| P0A81-96 | Hybrid/EV Battery Cooling Fan 1 Component Internal Failure |
| P0A81-98 | Hybrid/EV Battery Cooling Fan 1 Component or System Over Temperature |
| P0A93-00 | Inverter "A" Cooling System Performance |
| P0A95-63 | High Voltage Fuse Accumulated Load History |
| P0A9B-11 | Hybrid/EV Battery Temperature Sensor "A" Circuit Short to Ground |
| P0A9B-15 | Hybrid/EV Battery Temperature Sensor "A" Circuit Short to Auxiliary Battery or Open |
| P0A9B-1C | Hybrid/EV Battery Temperature Sensor "A" Voltage Out of Range |
| P0A9B-2A | Hybrid/EV Battery Temperature Sensor "A" Signal Stuck In Range |
| P0AA0-00 | Hybrid/EV Battery Positive Contactor Circuit Stuck Closed |
| P0AA0-73 | Hybrid/EV Battery Positive and Negative Contactor Actuator Stuck Closed |
| P0AA3-73 | Hybrid/EV Battery Negative Contactor Actuator Stuck Closed |
| P0AA6-49 | Hybrid/EV Battery Voltage System Isolation Internal Electronic Failure |
| P0AA7-49 | Hybrid/EV Battery Voltage Isolation Sensor Circuit Internal Electronic Failure |
| P0AAC-11 | Hybrid/EV Battery Air Temperature Sensor "A" Circuit Short to Ground |
| P0AAC-15 | Hybrid/EV Battery Air Temperature Sensor "A" Circuit Short to Auxiliary Battery or Open |
| P0ABF-00 | Hybrid/EV Battery Current Sensor "A" Circuit Range/Performance |
| P0ABF-11 | Hybrid/EV Battery Current Sensor "A" Circuit Short to Ground |
| P0ABF-15 | Hybrid/EV Battery Current Sensor "A" Circuit Short to Auxiliary Battery or Open |
| P0ABF-28 | Hybrid/EV Battery Current Sensor "A" Signal Bias Level Out of Range / Zero Adjustment Failure |
| P0ABF-2A | Hybrid/EV Battery Current Sensor "A" Signal Stuck In Range |
| P0AC5-11 | Hybrid/EV Battery Temperature Sensor "B" Circuit Short to Ground |
| P0AC5-15 | Hybrid/EV Battery Temperature Sensor "B" Circuit Short to Auxiliary Battery or Open |
| P0AC5-1C | Hybrid/EV Battery Temperature Sensor "B" Voltage Out of Range |
| P0AC5-2A | Hybrid/EV Battery Temperature Sensor "B" Signal Stuck In Range |
| P0ACA-11 | Hybrid/EV Battery Temperature Sensor "C" Circuit Short to Ground |
| P0ACA-15 | Hybrid/EV Battery Temperature Sensor "C" Circuit Short to Auxiliary Battery or Open |
| P0ACA-1C | Hybrid/EV Battery Temperature Sensor "C" Voltage Out of Range |
| P0ACA-2A | Hybrid/EV Battery Temperature Sensor "C" Signal Stuck In Range |
| P0AD9-11 | Hybrid/EV Battery Positive Contactor Circuit Short to Ground |
| P0AD9-15 | Hybrid/EV Battery Positive Contactor Circuit Short to Auxiliary Battery or Open |
| P0ADD-11 | Hybrid/EV Battery Negative Contactor Circuit Short to Ground |
| P0ADD-15 | Hybrid/EV Battery Negative Contactor Circuit Short to Auxiliary Battery or Open |
| P0AE1-73 | Hybrid/EV Battery Precharge Contactor Actuator Stuck Closed |
| P0AE4-11 | Hybrid/EV Battery Precharge Contactor Circuit Short to Ground |
| P0AE4-15 | Hybrid/EV Battery Precharge Contactor Circuit Short to Auxiliary Battery or Open |
| P0AFC-00 | Hybrid/EV Battery Sensor Module |
| P0AFC-16 | Hybrid/EV Battery Sensor Module Circuit Voltage Below Threshold |
| P0AFC-49 | Hybrid/EV Battery Sensor Module Internal Electronic Failure |
| P0AFC-62 | Hybrid/EV Battery Sensor Module Signal Compare Failure |
| P0AFC-96 | Hybrid/EV Battery Sensor Module Component Internal Failure |
| P0B23-1C | Hybrid/EV Battery "A" Voltage Sensor Voltage Out of Range |
| P0B3B-14 | Hybrid/EV Battery Voltage Sensor "A" Circuit Short to Ground or Open |
| P0B40-14 | Hybrid/EV Battery Voltage Sensor "B" Circuit Short to Ground or Open |
| P0B45-14 | Hybrid/EV Battery Voltage Sensor "C" Circuit Short to Ground or Open |
| P0B4A-14 | Hybrid/EV Battery Voltage Sensor "D" Circuit Short to Ground or Open |
| P0B4F-14 | Hybrid/EV Battery Voltage Sensor "E" Circuit Short to Ground or Open |
| P0B54-14 | Hybrid/EV Battery Voltage Sensor "F" Circuit Short to Ground or Open |
| P0B59-14 | Hybrid/EV Battery Voltage Sensor "G" Circuit Short to Ground or Open |
| P0B5E-14 | Hybrid/EV Battery Voltage Sensor "H" Circuit Short to Ground or Open |
| P0B63-14 | Hybrid/EV Battery Voltage Sensor "I" Circuit Short to Ground or Open |
| P0B68-14 | Hybrid/EV Battery Voltage Sensor "J" Circuit Short to Ground or Open |
| P0B6D-14 | Hybrid/EV Battery Voltage Sensor "K" Circuit Short to Ground or Open |
| P0C30-00 | Hybrid/EV Battery State of Charge High |
| P0C73-96 | Motor Electronics Coolant Pump "A" Component Internal Failure |
| P0C76-00 | Hybrid/EV Battery System Discharge Time Too Long |
| P0D2D-1C | Drive Motor "A" Inverter Voltage Sensor Voltage Out of Range |
| P0DA3-1C | Drive Motor "B" Inverter Voltage Sensor "A" Voltage Out of Range |
| P0E31-1C | Boosting Converter Voltage Sensor "A" Voltage Out of Range |
| P1606-00 | Collision detected or Collision Sensor Connection (Open) |
| P1606-04 | Collision detected or Collision Sensor Connection (Open) System Internal Failure |
| P1A80-00 | Hybrid/EV Battery Stack 1 Delta SOC High |
| P1AC0-00 | Hybrid/EV Battery Cell Low Voltage |
| P1AD0-1B | Hybrid/EV Battery Block Circuit Resistance Above Threshold |
| P1C2D-62 | Hybrid/EV Battery "A" Voltage Sensor/Boosting Converter Voltage Sensor "A" Signal Compare Failure |
| P1C6A-9F | Motor Shutdown Stuck Off |
| P1C6B-9F | Rear Motor Shutdown Stuck Off |
| P1C6C-9F | Generator Shutdown Stuck Off |
| P1C77-79 | Engine Failed to Start Mechanical Linkage Failure |
| P1C7C-49 | Hybrid/EV Battery Voltage System Isolation (A/C Area) Internal Electronic Failure |
| P1C7D-49 | Hybrid/EV Battery Voltage System Isolation (Hybrid/EV Battery Area) Internal Electronic Failure |
| P1C7E-49 | Hybrid/EV Battery Voltage System Isolation (Transaxle Area) Internal Electronic Failure |
| P1C7F-49 | Hybrid/EV Battery Voltage System Isolation (Direct Current Area) Internal Electronic Failure |
| P1C80-49 | Hybrid/EV Battery Voltage System Isolation (Rear Motor Area) Internal Electronic Failure |
| P1C81-49 | High Voltage Power Resource Circuit Consumption Circuit Short |
| P1C82-49 | High Voltage Power Resource Circuit Over Loading |
| P1C83-49 | High Voltage Power Resource Circuit Voltage Sensor after Boosting Malfunction |
| P1C84-49 | High Voltage Power Resource Circuit Short during Ready ON |
| P1C85-49 | High Voltage Power Resource Internal Electronic Failure |
| P1C86-79 | Transmission (Input) Mechanical Linkage Failure |
| P1C87-79 | Generator Mechanical Linkage Failure |
| P1C88-79 | Planetary Gear Mechanical Linkage Failure |
| P1C9E-9F | Hybrid/EV System Reset Stuck Off |
| P1C9F-11 | Hybrid/EV Battery Current Sensor for Driving Control Circuit Short to Ground |
| P1C9F-15 | Hybrid/EV Battery Current Sensor for Driving Control Circuit Short to Auxiliary Battery or Open |
| P1C9F-1C | Hybrid/EV Battery Current Sensor for Driving Control Voltage Out of Range |
| P1CBB-12 | Hybrid/EV Battery Current Sensor Power Supply Circuit Short to Auxiliary Battery |
| P1CBB-14 | Hybrid/EV Battery Current Sensor Power Supply Circuit Short to Ground or Open |
| P1CBE-1E | Hybrid/EV Battery Block 1 Voltage Difference Out of Range |
| P1CBF-1E | Hybrid/EV Battery Block 2 Voltage Difference Out of Range |
| P1CC0-1E | Hybrid/EV Battery Block 3 Voltage Difference Out of Range |
| P1CC1-1E | Hybrid/EV Battery Block 4 Voltage Difference Out of Range |
| P1CC2-1E | Hybrid/EV Battery Block 5 Voltage Difference Out of Range |
| P1CC3-1E | Hybrid/EV Battery Block 6 Voltage Difference Out of Range |
| P1CC4-1E | Hybrid/EV Battery Block 7 Voltage Difference Out of Range |
| P1CC5-1E | Hybrid/EV Battery Block 8 Voltage Difference Out of Range |
| P1CC6-1E | Hybrid/EV Battery Block 9 Voltage Difference Out of Range |
| P1CC7-1E | Hybrid/EV Battery Block 10 Voltage Difference Out of Range |
| P1CE2-13 | PCU Interlock Circuit Open |
| P1CE2-92 | PCU Interlock Performance or Incorrect Operation |
| P1CE3-1C | Hybrid/EV Powertrain Control Module Monitoring Processor A/D Processing Voltage Out of Range |
| P1CE3-49 | Hybrid/EV Powertrain Control Module Monitoring Processor A/D Processing Internal Electronic Failure |
| P1CE3-71 | Hybrid/EV Powertrain Control Module Monitoring Processor A/D Processing Actuator Stuck |
| P1CFA-12 | IGB Signal Circuit Short to Auxiliary Battery |
| P2120-12 | Throttle/Pedal Position Sensor/Switch "D" Circuit Short to Auxiliary Battery |
| P2120-14 | Throttle/Pedal Position Sensor/Switch "D" Circuit Short to Ground or Open |
| P2120-1C | Throttle/Pedal Position Sensor/Switch "D" Voltage Out of Range |
| P2120-1F | Throttle/Pedal Position Sensor/Switch "D" Circuit Intermittent |
| P2125-12 | Throttle/Pedal Position Sensor/Switch "E" Circuit Short to Auxiliary Battery |
| P2125-14 | Throttle/Pedal Position Sensor/Switch "E" Circuit Short to Ground or Open |
| P2125-1C | Throttle/Pedal Position Sensor/Switch "E" Voltage Out of Range |
| P2125-1F | Throttle/Pedal Position Sensor/Switch "E" Circuit Intermittent |
| P2138-00 | Throttle/Pedal Position Sensor/Switch "D"/" E" Voltage Correlation |
| P2138-2B | Throttle/Pedal Position Sensor/Switch "D"/"E" Signal Cross Coupled |
| P2530-12 | IG2 Signal Circuit Short to Auxiliary Battery |
| P274A-11 | Transmission Fluid Temperature Sensor "C" Circuit Short to Ground |
| P274A-15 | Transmission Fluid Temperature Sensor "C" Circuit Short to Auxiliary Battery or Open |
| P274A-1C | Transmission Fluid Temperature Sensor "C" Voltage Out of Range |
| P274A-1F | Transmission Fluid Temperature Sensor "C" Circuit Intermittent |
| P3000-00 | Hybrid/EV Battery Discharge Control Malfunction |
| P3000-16 | Hybrid/EV Battery Control System Circuit Voltage Below Threshold |
| P3000-4B | Hybrid/EV Battery Control System Over Temperature |
| P3004-49 | High Voltage Power Resource Circuit Short during Pre-Charge |
| P3011-00 | Hybrid/EV Battery Block 1 Circuit Resistance Out of Range (Extreme) |
| P3011-1E | Hybrid/EV Battery Block 1 Circuit Resistance Out of Range |
| P3012-00 | Hybrid/EV Battery Block 2 Circuit Resistance Out of Range (Extreme) |
| P3012-1E | Hybrid/EV Battery Block 2 Circuit Resistance Out of Range |
| P3013-00 | Hybrid/EV Battery Block 3 Circuit Resistance Out of Range (Extreme) |
| P3013-1E | Hybrid/EV Battery Block 3 Circuit Resistance Out of Range |
| P3014-00 | Hybrid/EV Battery Block 4 Circuit Resistance Out of Range (Extreme) |
| P3014-1E | Hybrid/EV Battery Block 4 Circuit Resistance Out of Range |
| P3015-00 | Hybrid/EV Battery Block 5 Circuit Resistance Out of Range (Extreme) |
| P3015-1E | Hybrid/EV Battery Block 5 Circuit Resistance Out of Range |
| P3016-00 | Hybrid/EV Battery Block 6 Circuit Resistance Out of Range (Extreme) |
| P3016-1E | Hybrid/EV Battery Block 6 Circuit Resistance Out of Range |
| P3017-00 | Hybrid/EV Battery Block 7 Circuit Resistance Out of Range (Extreme) |
| P3017-1E | Hybrid/EV Battery Block 7 Circuit Resistance Out of Range |
| P3018-00 | Hybrid/EV Battery Block 8 Circuit Resistance Out of Range (Extreme) |
| P3018-1E | Hybrid/EV Battery Block 8 Circuit Resistance Out of Range |
| P3019-00 | Hybrid/EV Battery Block 9 Circuit Resistance Out of Range (Extreme) |
| P3019-1E | Hybrid/EV Battery Block 9 Circuit Resistance Out of Range |
| P3020-00 | Hybrid/EV Battery Block 10 Circuit Resistance Out of Range (Extreme) |
| P3020-1E | Hybrid/EV Battery Block 10 Circuit Resistance Out of Range |
| P3065-62 | Hybrid/EV Battery Temperature Sensor "Group 1" Signal Compare Failure |
| P308A-12 | Hybrid/EV Battery Voltage Sensor All Circuit Short to Auxiliary Battery |
| P308A-13 | Hybrid/EV Battery Voltage Sensor All Circuit Open |
| P3107-11 | Lost Communication with Airbag System Control Module Circuit Short to Ground |
| P3107-15 | Lost Communication with Airbag System Control Module Circuit Short to Auxiliary Battery or Open |
| P3107-64 | Lost Communication with Airbag System Control Module Signal Plausibility Failure |
| P3123-87 | Lost Communication with Drive Motor Control Module "A" from Hybrid/EV Control Module Missing Message |
| P3147-79 | Transmission (Shaft) Mechanical Linkage Failure |
| P314A-31 | Motor Electronics Coolant Pump "A" No Signal |
| P321E-9F | Motor/Generator Shutdown Signal Stuck Off |
| P33B9-9F | Motor/Generator Shutdown Signal (Hybrid/EV Side) Stuck Off |
| P33BF-9F | Motor/Generator Shutdown Signal (MG Side) Stuck Off |
| U0100-87 | Lost Communication with ECM/PCM "A" Missing Message |
| U0110-87 | Lost Communication with Drive Motor Control Module "A" Missing Message |
| U0122-87 | Lost Communication with Vehicle Dynamics Control Module Missing Message |
| U0126-87 | Lost Communication with Steering Angle Sensor Module Missing Message |
| U0129-87 | Lost Communication with Brake System Control Module Missing Message |
| U0140-87 | Lost Communication with Body Control Module Missing Message |
| U0151-87 | Lost Communication with Restraints Control Module Missing Message |
| U0164-87 | Lost Communication with HVAC Control Module Missing Message |
| U0293-87 | Lost Communication with Hybrid/EV Powertrain Control Module Missing Message |
| U029A-87 | Lost Communication with Hybrid/EV Battery Sensor Module Missing Message |
| U0424-81 | HVAC Control Module to Hybrid Powertrain Control Module Invalid Serial Data Received |
| U1107-87 | Lost Communication with Power Management Module Missing Message |
| U1170-87 | Lost Communication with Brake System Control Module (Secondary CAN Line) Missing Message |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.