LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2010 >> LX 570 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission (Diagnostics - Introduction) >> Automatic Transmission System >> Diagnostic Trouble Code Chart >> Diagnostic Trouble Code Chart
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Trouble Code Chart

HINT: 

AUTOMATIC TRANSMISSION SYSTEM

DTC Code Detection Item Trouble Area MIL*1 Memory*2 See
P0705 Transmission Range Sensor Circuit Malfunction (PRNDL Input) - Park/neutral position switch assembly
- Transmission control switch (transmission floor shift assembly)
- Open or short in park/neutral position switch circuit
- ECM
Comes on DTC stored Refer to DTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL Input)
P0711 Transmission Fluid Temperature Sensor "A" Performance No. 1 transmission wire (No. 1 ATF temperature sensor) Comes on DTC stored Refer to DTC P0711: Transmission Fluid Temperature Sensor "A" Performance
P0712 Transmission Fluid Temperature Sensor "A" Circuit Low Input - Short in No. 1 ATF temperature sensor circuit
- No. 1 transmission wire (No. 1 ATF temperature sensor)
- ECM
Comes on DTC stored Refer to DTC P0712: Transmission Fluid Temperature Sensor "A" Circuit Low Input; DTC P0713: Transmission Fluid Temperature Sensor "A" Circuit High Input
P0713 Transmission Fluid Temperature Sensor "A" Circuit High Input - Open in No. 1 ATF temperature sensor circuit
- No. 1 transmission wire (No. 1 ATF temperature sensor)
- ECM
Comes on DTC stored Refer to DTC P0712: Transmission Fluid Temperature Sensor "A" Circuit Low Input; DTC P0713: Transmission Fluid Temperature Sensor "A" Circuit High Input
P0717 Turbine Speed Sensor Circuit No Signal - Open or short in speed sensor NT circuit
- Speed sensor NT
- ECM
- Automatic transmission (clutch, brake, gear, etc.)
Comes on DTC stored Refer to DTC P0717: Turbine Speed Sensor Circuit No Signal
P0722 Output Speed Sensor Circuit No Signal - Open or short in speed sensor SP2 circuit
- Speed sensor SP2
- ECM
- Automatic transmission (clutch, brake, gear, etc.)
Comes on DTC stored Refer to DTC P0722: Output Speed Sensor Circuit No Signal
P0724 Brake Switch "B" Circuit High - Short in stop light switch signal circuit
- Stop light switch assembly
- ECM
Comes on DTC stored Refer to DTC P0724: Brake Switch "B" Circuit High
P0729 Gear 6 Incorrect Ratio - Valve body is blocked up or stuck (sequence valve)
- Shift solenoid valve SLT remains open or closed
- Automatic transmission (clutch, brake, gear, etc.)
Comes on DTC stored Refer to DTC P0729: Gear 6 Incorrect Ratio
P0748 Pressure Control Solenoid "A" Electrical (Shift Solenoid Valve SL1) - Open or short in shift solenoid valve SL1 circuit
- Shift solenoid valve SL1
- ECM
Comes on DTC stored Refer to DTC P0748: Pressure Control Solenoid "A" Electrical (Shift Solenoid Valve SL1)
P0751 Shift Solenoid "A" Performance (Shift Solenoid Valve S1) - Shift solenoid valve S1 remains open or closed
- Shift solenoid valve SLT remains open or closed
- Valve body is blocked
- No. 2 brake malfunction (driving is difficult)
- Automatic transmission (clutch, brake, gear, etc.)
Comes on DTC stored Refer to DTC P0751: Shift Solenoid "A" Performance (Shift Solenoid Valve S1)
P0756 Shift Solenoid "B" Performance (Shift Solenoid Valve S2) - Shift solenoid valve S2 remains open or closed
- Valve body is blocked
- Automatic transmission (clutch, brake, gear, etc.)
Comes on DTC stored Refer to DTC P0756: Shift Solenoid "B" Performance (Shift Solenoid Valve S2)
P0761 Shift Solenoid "C" Performance (Shift Solenoid Valve S3) - Shift solenoid valve S3 remains open or closed
- Shift solenoid valve SLT remains open or closed
- Valve body is blocked
- Automatic transmission (clutch, brake, gear, etc.)
Comes on DTC stored Refer to DTC P0761: Shift Solenoid "C" Performance (Shift Solenoid Valve S3)
P0766 Shift Solenoid "D" Performance (Shift Solenoid Valve S4) - Shift solenoid valve S4 remains closed
- Shift solenoid valve SLT remains open or closed
- Valve body is blocked (brake control valve)
- Automatic transmission (clutch, brake, gear, etc.)
Comes on DTC stored Refer to DTC P0766: Shift Solenoid "D" Performance (Shift Solenoid Valve S4); DTC P0776: Pressure Control Solenoid "B" Performance (Shift Solenoid Valve SL2)
P0776 Pressure Control Solenoid "B" Performance (Shift Solenoid Valve SL2) - Shift solenoid valve SL2 remains open
- Shift solenoid valve SLT remains open or closed
- Valve body is blocked (brake control valve)
- Automatic transmission (clutch, brake, gear, etc.)
Comes on DTC stored Refer to DTC P0766: Shift Solenoid "D" Performance (Shift Solenoid Valve S4); DTC P0776: Pressure Control Solenoid "B" Performance (Shift Solenoid Valve SL2)
P0778 Pressure Control Solenoid "B" Electrical (Shift Solenoid Valve SL2) - Open or short in shift solenoid valve SL2 circuit
- Shift solenoid valve SL2
- ECM
Comes on DTC stored Refer to DTC P0778: Pressure Control Solenoid "B" Electrical (Shift Solenoid Valve SL2)
P0781 1-2 Shift (1-2 Shift Valve) - Valve body is blocked up or stuck (1-2 shift valve)
- Shift solenoid valve SLT remains open or closed
- Automatic transmission (clutch, brake, gear, etc.)
Comes on DTC stored Refer to DTC P0781: 1-2 Shift (1-2 Shift Valve)
P0818 Driveline Disconnect Switch Input Circuit - Short in transfer neutral signal
- Transfer shift actuator assembly (transfer system)
- ECM
Comes on DTC stored Refer to DTC P0818: Driveline Disconnect Switch Input Circuit
P0894 Transmission Component Slipping - Shift solenoid valve SLT remains open or closed
- Shift solenoid valve S1, S2, S3, S4 or SL2 remains open or closed
- Gear 6 incorrect ratio (sequence valve) or 1-2 shift valve is stuck
- Valve body is blocked
- Automatic transmission (clutch, brake, gear, etc.)
Comes on DTC stored Refer to DTC P0894: Transmission Component Slipping; DTC P2714: Pressure Control Solenoid "D" Performance (Shift Solenoid Valve SLT)
P0973 Shift Solenoid "A" Control Circuit Low (Shift Solenoid Valve S1) - Short in shift solenoid valve S1 circuit
- Shift solenoid valve S1
- ECM
Comes on DTC stored Refer to DTC P0973: Shift Solenoid "A" Control Circuit Low (Shift Solenoid Valve S1); DTC P0974: Shift Solenoid "A" Control Circuit High (Shift Solenoid Valve S1)
P0974 Shift Solenoid "A" Control Circuit High (Shift Solenoid Valve S1) - Open in shift solenoid valve S1 circuit
- Shift solenoid valve S1
- ECM
Comes on DTC stored Refer to DTC P0973: Shift Solenoid "A" Control Circuit Low (Shift Solenoid Valve S1); DTC P0974: Shift Solenoid "A" Control Circuit High (Shift Solenoid Valve S1)
P0976 Shift Solenoid "B" Control Circuit Low (Shift Solenoid Valve S2) - Short in shift solenoid valve S2 circuit
- Shift solenoid valve S2
- ECM
Comes on DTC stored Refer to DTC P0976: Shift Solenoid "B" Control Circuit Low (Shift Solenoid Valve S2); DTC P0977: Shift Solenoid "B" Control Circuit High (Shift Solenoid Valve S2)
P0977 Shift Solenoid "B" Control Circuit High (Shift Solenoid Valve S2) - Open in shift solenoid valve S2 circuit
- Shift solenoid valve S2
- ECM
Comes on DTC stored Refer to DTC P0976: Shift Solenoid "B" Control Circuit Low (Shift Solenoid Valve S2); DTC P0977: Shift Solenoid "B" Control Circuit High (Shift Solenoid Valve S2)
P0979 Shift Solenoid "C" Control Circuit Low (Shift Solenoid Valve S3) - Short in shift solenoid valve S3 circuit
- Shift solenoid valve S3
- ECM
Comes on DTC stored Refer to DTC P0979: Shift Solenoid "C" Control Circuit Low (Shift Solenoid Valve S3); DTC P0980: Shift Solenoid "C" Control Circuit High (Shift Solenoid Valve S3)
P0980 Shift Solenoid "C" Control Circuit High (Shift Solenoid Valve S3) - Open in shift solenoid valve S3 circuit
- Shift solenoid valve S3
- ECM
Comes on DTC stored Refer to DTC P0979: Shift Solenoid "C" Control Circuit Low (Shift Solenoid Valve S3); DTC P0980: Shift Solenoid "C" Control Circuit High (Shift Solenoid Valve S3)
P0982 Shift Solenoid "D" Control Circuit Low (Shift Solenoid Valve S4) - Short in shift solenoid valve S4 circuit
- Shift solenoid valve S4
- ECM
Comes on DTC stored Refer to DTC P0982: Shift Solenoid "D" Control Circuit Low (Shift Solenoid Valve S4); DTC P0983: Shift Solenoid "D" Control Circuit High (Shift Solenoid Valve S4)
P0983 Shift Solenoid "D" Control Circuit High (Shift Solenoid Valve S4) - Open in shift solenoid valve S4 circuit
- Shift solenoid valve S4
- ECM
Comes on DTC stored Refer to DTC P0982: Shift Solenoid "D" Control Circuit Low (Shift Solenoid Valve S4); DTC P0983: Shift Solenoid "D" Control Circuit High (Shift Solenoid Valve S4)
P0985 Shift Solenoid "E" Control Circuit Low (Shift Solenoid Valve SR) - Short in shift solenoid valve SR circuit
- Shift solenoid valve SR
- ECM
Comes on DTC stored Refer to DTC P0985: Shift Solenoid "E" Control Circuit Low (Shift Solenoid Valve SR); DTC P0986: Shift Solenoid "E" Control Circuit High (Shift Solenoid Valve SR)
P0986 Shift Solenoid "E" Control Circuit High (Shift Solenoid Valve SR) - Open in shift solenoid valve SR circuit
- Shift solenoid valve SR
- ECM
Comes on DTC stored Refer to DTC P0985: Shift Solenoid "E" Control Circuit Low (Shift Solenoid Valve SR); DTC P0986: Shift Solenoid "E" Control Circuit High (Shift Solenoid Valve SR)
P2714 Pressure Control Solenoid "D" Performance (Shift Solenoid Valve SLT) - Shift solenoid valve SLT remains open or closed
- Shift solenoid valve S1, S2, S3, S4 or SL2 remains open or closed
- Gear 6 incorrect ratio (sequence valve) or 1-2 shift valve is stuck
- Valve body is blocked
- Torque converter clutch
- Automatic transmission (clutch, brake, gear, etc.)
Comes on DTC stored Refer to DTC P0894: Transmission Component Slipping; DTC P2714: Pressure Control Solenoid "D" Performance (Shift Solenoid Valve SLT)
P2716 Pressure Control Solenoid "D" Electrical (Shift Solenoid Valve SLT) - Open or short in shift solenoid valve SLT circuit
- Shift solenoid valve SLT
- ECM
Comes on DTC stored Refer to DTC P2716: Pressure Control Solenoid "D" Electrical (Shift Solenoid Valve SLT)
P2742 Transmission Fluid Temperature Sensor "B" Circuit Low Input - Short in No. 2 ATF temperature sensor circuit
- No. 1 transmission wire (No. 2 ATF temperature sensor)
- ECM
Comes on DTC stored Refer to DTC P2742: Transmission Fluid Temperature Sensor "B" Circuit Low Input; DTC P2743: Transmission Fluid Temperature Sensor "B" Circuit High Input
P2743 Transmission Fluid Temperature Sensor "B" Circuit High Input - Open in No. 2 ATF temperature sensor circuit
- No. 1 transmission wire (No. 2 ATF temperature sensor)
- ECM
Comes on DTC stored Refer to DTC P2742: Transmission Fluid Temperature Sensor "B" Circuit Low Input; DTC P2743: Transmission Fluid Temperature Sensor "B" Circuit High Input
P2757 Torque Converter Clutch Pressure Control Solenoid Performance (Shift Solenoid Valve SLU) - Shift solenoid valve SLU remains open or closed
- Shift solenoid valve SLU
- Valve body is blocked
- Torque converter clutch
- Automatic transmission (clutch, brake, gear, etc.)
- Line pressure is too low
Comes on DTC stored Refer to DTC P2757: Torque Converter Clutch Pressure Control Solenoid Performance (Shift Solenoid Valve SLU)
P2759 Torque Converter Clutch Pressure Control Solenoid Control Circuit Electrical (Shift Solenoid Valve SLU) - Open or short in shift solenoid valve SLU circuit
- Shift solenoid valve SLU
- ECM
Comes on DTC stored Refer to DTC P2759: Torque Converter Clutch Pressure Control Solenoid Control Circuit Electrical (Shift Solenoid Valve SLU)
P2772 Four Wheel Drive (4WD) Low Switch Circuit Range / Performance - Short in transfer L4 position switch circuit
- Four wheel drive control ECU
- ECM
Comes on DTC stored Refer to DTC P2772: Four Wheel Drive (4WD) Low Switch Circuit Range / Performance