LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2006 >> IS 250 AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission (A760H) >> Automatic Transmission System >> Diagnostic Trouble Code Table

Diagnostic Trouble Code Table

If a DTC is displayed during the DTC check, check the parts listed in DIAGNOSTIC TROUBLE CODE TABLE  and proceed to the reference given.

AUTOMATIC TRANSMISSION SYSTEM 

DIAGNOSTIC TROUBLE CODE TABLE

DTC No. Detection Item Trouble Area MIL (1) Memory (2) Reference
P0500 Vehicle Speed Sensor "A"
  1. Open or short in speed sensor (SP2) circuit
  2. Speed sensor (SP2)
  3. Automatic transmission assembly
  4. ECM
 Comes on DTC stored DTC P0500 VEHICLE SPEED SENSOR "A" 
P0705 Transmission Range Sensor Circuit Malfunction (PRNDL Input)
  1. Open or short in park/neutral position switch circuit
  2. Park/neutral position switch
  3. ECM
 Comes on DTC stored DTC P0705 Transmission Range Sensor Circuit Malfunction (PRNDL Input) 
P0710 Transmission Fluid Temperature Sensor "A" Circuit
  1. Open or short in ATF temperature sensor circuit
  2. Transmission wire (ATF temperature sensor)
  3. ECM
 Comes on DTC stored DTC P0710: TRANSMISSION FLUID TEMPERATURE SENSOR "A" CIRCUIT 
P0711 Transmission Fluid Temperature Sensor "A" Performance Transmission wire (ATF temperature sensor) Comes on DTC stored DTC P0711 TRANSMISSION FLUID TEMPERATURE SENSOR "A" Performance 
P0712 Transmission Fluid Temperature Sensor "A" Circuit Low Input
  1. Short in ATF temperature sensor circuit
  2. Transmission wire (ATF temperature sensor)
  3. ECM
 Comes on DTC stored DTC P0712: TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION FLUID TEMPERATURE SENSOR "A" CIRCUIT LOW INPUT 
P0713 Transmission Fluid Temperature Sensor "A" Circuit High Input
  1. Open in ATF temperature sensor circuit
  2. Transmission wire (ATF temperature sensor)
  3. ECM
 Comes on DTC stored DTC P0713: TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION FLUID TEMPERATURE SENSOR "A" Circuit High Input 
P0717 Turbine Speed Sensor Circuit No Signal
  1. Open or short in speed sensor (NT) circuit
  2. Speed sensor (NT)
  3. ECM
  4. Automatic transmission (clutch, brake or gear, etc.)
 Comes on DTC stored DTC P0717 Turbine Speed Sensor Circuit No Signal 
P0724 Brake Switch "B" Circuit High
  1. Short in stop light switch signal circuit
  2. Stop light switch
  3. ECM
 Comes on DTC stored DTC P0724 BRAKE SWITCH "B" Circuit High 
P0729 Gear 6 Incorrect Ratio
  1. Valve body is blocked up or stuck (sequence valve)
  2. Shift solenoid valve SLT remains open or closed
  3. Automatic transmission (clutch, brake or gear, etc.)
 Comes on DTC stored DTC P0729 Gear 6 Incorrect Ratio 
P0748 Pressure Control Solenoid "A" Electrical (Shift Solenoid Valve SL1)
  1. Open or short in shift solenoid valve SL1 circuit
  2. Shift solenoid valve SL1
  3. ECM
 Comes on DTC stored DTC P0748 PRESSURE CONTROL SOLENOID "A" Electrical (Shift Solenoid Valve SL1) 
P0751 Shift Solenoid "A" Performance (Shift Solenoid Valve S1)
  1. Shift solenoid valve S1 remains open or closed
  2. Shift solenoid valve SLT remains open or closed
  3. Valve body is blocked
  4. No.2 brake malfunction (Driving is difficult.)
  5. Automatic transmission (clutch, brake or gear, etc.)
 Comes on DTC stored DTC P0751 SHIFT SOLENOID "A" Performance (Shift Solenoid Valve S1) 
P0756 Shift Solenoid "B" Performance (Shift Solenoid Valve S2)
  1. Shift solenoid valve S2 remains open or closed
  2. Valve body is blocked
  3. Automatic transmission (clutch, brake or gear, etc.)
 Comes on DTC stored DTC P0756 SHIFT SOLENOID "B" Performance (Shift Solenoid Valve S2) 
P0761 Shift Solenoid "C" Performance (Shift Solenoid Valve S3)
  1. Shift solenoid valve S3 remains open or closed
  2. Shift solenoid valve SLT remains open or closed
  3. Valve body is blocked
  4. Automatic transmission (clutch, brake or gear, etc.)
 Comes on DTC stored DTC P0761 SHIFT SOLENOID "C" Performance (Shift Solenoid Valve S3) 
P0766 Shift Solenoid "D" Performance (Shift Solenoid Valve S4)
  1. Shift solenoid valve S4 remains open or closed
  2. Shift solenoid valve SL2 remains open or closed
  3. Shift solenoid valve SLT remains open or closed
  4. Valve body is blocked (Brake control valve)
  5. Automatic transmission (clutch, brake or gear, etc.)
 Comes on DTC stored DTC P0766 SHIFT SOLENOID "D" Performance (Shift Solenoid Valve S4) 
P0778 Pressure Control Solenoid "B" Electrical (Shift Solenoid Valve SL2)
  1. Open or short in shift solenoid valve SL2 circuit
  2. Shift solenoid valve SL2
  3. ECM
 Comes on DTC stored DTC P0778 PRESSURE CONTROL SOLENOID "B" Electrical (Shift Solenoid Valve SL2) 
P0781 1-2 Shift (1-2 Shift Valve)
  1. Valve body is blocked up or stuck (1-2 shift valve)
  2. Shift solenoid valve SLT remains open or closed
  3. Automatic transmission (clutch, brake or gear, etc.)
 Comes on DTC stored DTC P0781 1-2 Shift (1-2 Shift Valve) 
P0973 Shift Solenoid "A" Control Circuit Low (Shift Solenoid Valve S1)
  1. Short in shift solenoid valve S1 circuit
  2. Shift solenoid valve S1
  3. ECM
 Comes on DTC stored DTC P0973: SHIFT SOLENOID "A" CONTROL CIRCUIT LOW (SHIFT SOLENOID VALVE S1) 
P0974 Shift Solenoid "A" Control Circuit High (Shift Solenoid Valve S1)
  1. Open in shift solenoid valve S1 circuit
  2. Shift solenoid valve S1
  3. ECM
 Comes on DTC stored DTC P0974: SHIFT SOLENOID SHIFT SOLENOID "A" Control Circuit High (Shift Solenoid Valve S1) 
P0976 Shift Solenoid "B" Control Circuit Low (Shift Solenoid Valve S2)
  1. Short in shift solenoid valve S2 circuit
  2. Shift solenoid valve S2
  3. ECM
 Comes on DTC stored DTC P0976: SHIFT SOLENOID "B" CONTROL CIRCUIT LOW (SHIFT SOLENOID VALVE S2) 
P0977 Shift Solenoid "B" Control Circuit High (Shift Solenoid Valve S2)
  1. Open in shift solenoid valve S2 circuit
  2. Shift solenoid valve S2
  3. ECM
 Comes on DTC stored DTC P0977: SHIFT SOLENOID SHIFT SOLENOID "B" Control Circuit High (Shift Solenoid Valve S2) 
P0979 Shift Solenoid "C" Control Circuit Low (Shift Solenoid Valve S3)
  1. Short in shift solenoid valve S3 circuit
  2. Shift solenoid valve S3
  3. ECM
 Comes on DTC stored DTC P0979: SHIFT SOLENOID "C" CONTROL CIRCUIT LOW (SHIFT SOLENOID VALVE S3) 
P0980 Shift Solenoid "C" Control Circuit High (Shift Solenoid Valve S3)
  1. Open in shift solenoid valve S3 circuit
  2. Shift solenoid valve S3
  3. ECM
 Comes on DTC stored DTC P0980: SHIFT SOLENOID SHIFT SOLENOID "C" Control Circuit High (Shift Solenoid Valve S3) 
P0982 Shift Solenoid "D" Control Circuit Low (Shift Solenoid Valve S4)
  1. Short in shift solenoid valve S4 circuit
  2. Shift solenoid valve S4
  3. ECM
 Comes on DTC stored DTC P0982: SHIFT SOLENOID "D" CONTROL CIRCUIT LOW (SHIFT SOLENOID VALVE S4) 
P0983 Shift Solenoid "D" Control Circuit High (Shift Solenoid Valve S4)
  1. Open in shift solenoid valve S4 circuit
  2. Shift solenoid valve S4
  3. ECM
 Comes on DTC stored DTC P0983: SHIFT SOLENOID SHIFT SOLENOID "D" Control Circuit High (Shift Solenoid Valve S4) 
P0985 Shift Solenoid "E" Control Circuit Low (Shift Solenoid Valve SR)
  1. Short in shift solenoid valve SR circuit
  2. Shift solenoid valve SR
  3. ECM
 Comes on DTC stored DTC P0985: SHIFT SOLENOID "E" CONTROL CIRCUIT LOW (SHIFT SOLENOID VALVE SR); SHIFT SOLENOID "E" Control Circuit High (Shift Solenoid Valve SR) 
P0986 Shift Solenoid "E" Control Circuit High (Shift Solenoid Valve SR)
  1. Open in shift solenoid valve SR circuit
  2. Shift solenoid valve SR
  3. ECM
 Comes on DTC stored DTC P0986: SHIFT SOLENOID "E" Control Circuit High (Shift Solenoid Valve SR) 
P2714 Pressure Control Solenoid "D" Performance (Shift Solenoid Valve SLT)
  1. Shift solenoid valve SLT remains open or closed
  2. Shift solenoid valve S1, S2, S3, S4 or SL2 remains open or closed
  3. Gear 6 incorrect ratio (reverse sequence valve) or 1-2 Shift valve is stuck
  4. Valve body is blocked
  5. Automatic transmission (clutch, brake or gear, etc.)
 Comes on DTC stored DTC P2714 PRESSURE CONTROL SOLENOID "D" Performance (Shift Solenoid Valve SLT) 
P2716 Pressure Control Solenoid "D" Electrical (Shift Solenoid Valve SLT)
  1. Open or short in shift solenoid valve SLT circuit
  2. Shift solenoid valve SLT
  3. ECM
 Comes on DTC stored DTC P2716 PRESSURE CONTROL SOLENOID "D" Electrical (Shift Solenoid Valve SLT) 
P2757 Torque Converter Clutch Pressure Control Solenoid Performance (Shift Solenoid Valve SLU)
  1. Shift solenoid valve SLU remains open or closed
  2. Valve body is blocked
  3. Torque converter clutch
  4. Automatic transmission (clutch, brake or gear, etc.)
  5. Line pressure is too low
 Comes on DTC stored 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)
  1. Open or short in shift solenoid valve SLU circuit
  2. Shift solenoid valve SLU
  3. ECM
 Comes on DTC stored DTC P2759 Torque Converter Clutch Pressure Control Solenoid Control Circuit Electrical (Shift Solenoid Valve SLU) 
U0100 Lost Communication with ECM/PCM "A" ECM Comes on DTC stored DTC U0100 LOST COMMUNICATION WITH ECM/PCM "A" 
HINT:
  • (1) Comes on MIL (Malfunction Indicator Lamp) light up
  • (2) "DTC stored" mark means ECM memorizes the malfunction code if the ECM detects the DTC detection condition.
  • This DTC may be output when the clutch, brake and gear components etc. inside the automatic transmission are damaged.
scientia non olet · About LEMON Manuals