Possible causes - Faulty unlock warning switch assembly– Unlock warning switch assembly wWire harness- Faulty transponder key ECU assembly When is the obd code mean? Unlock warning switch ON is not detected when ignition switch is ON. B2780 LEXUS OBD Code Description This Detected Trouble Code (DTC) will be output if the transponder key Electronic…
Tag: LEXUS
P043E LEXUS Evaporative Emission System Reference Orifice Clog Up
Possible causes – Faulty Vacuum Pump Module– Vacuum Pump Module harness is open or shorted– Vacuum Pump Module circuit poor electrical connection.– Faulty Engine Control Module (ECM) When is the obd code mean? To determine leak criterion (Reference pressure), vacuum pump creates negative pressure in canister pump module through 0.02 inch orifice and pressure is…
P043F LEXUS Evaporative Emission System Reference Orifice High Flow
Possible causes – Faulty Vacuum Pump Module– Vacuum Pump Module harness is open or shorted– Vacuum Pump Module circuit poor electrical connection.– Faulty Engine Control Module (ECM) When is the obd code mean? To determine leak criterion (Reference pressure), vacuum pump creates negative pressure in canister pump module through 0.02 inch orifice and pressure is…
P2401 LEXUS EVAP System Leak Detection Pump Control Circuit Low
Possible causes – Faulty Vacuum Pump Module– Vacuum Pump Module harness is open or shorted– Vacuum Pump Module circuit poor electrical connection.– Faulty Engine Control Module (ECM) When is the obd code mean? To determine leak criterion (Reference pressure), vacuum pump creates negative pressure in canister pump module through 0.02 inch orifice and pressure is…
P2402 LEXUS EVAP System Leak Detection Pump Control Circuit High
Possible causes – Faulty Vacuum Pump Module– Vacuum Pump Module harness is open or shorted– Vacuum Pump Module circuit poor electrical connection.– Faulty Engine Control Module (ECM) When is the obd code mean? To determine leak criterion (Reference pressure), vacuum pump creates negative pressure in canister pump module through 0.02 inch orifice and pressure is…
P2440 LEXUS Secondary Air Injection System Switching Valve Stuck Open Bank 1
Possible causes – Faulty Vacuum Switching Valve (VSV)– Vacuum Switching Valve (VSV) harness is open or shorted– Vacuum Switching Valve (VSV) circuit poor electrical connection– Faulty Pressure Sensor– Faulty Air Switching Valve When is the obd code mean? If the Engine Control Module (ECM) receives the pulsation signal from the sensor despite the ECM ordering…
P0712 LEXUS Transmission Fluid Temperature Sensor A Low Input
Possible causes – Faulty Transmission Fluid Temperature Sensor– Transmission Fluid Temperature Sensor harness is open or shorted– Transmission Fluid Temperature Sensor circuit poor electrical connection When is the obd code mean? Transmission Control Module (TCM) detects excessively low voltage from the fluid temperature sensor. Symptoms – Engine Light ON (or Service Engine Soon Warning Light)–…
P0715 LEXUS Input/Turbine Speed Sensor Circuit Malfunction
Possible causes – Faulty Transmission Speed Sensor– Transmission Speed Sensor harness is open or shorted– Transmission Speed Sensor circuit poor electrical connection When is the obd code mean? Diagnostic Trouble Code (DTC) P0715 is detected when TCM or ECM does not receive the proper signal from the sensor. Symptoms – Engine Light ON (or Service…
P0717 LEXUS Turbine Speed Sensor Circuit No Signal
Possible causes – Faulty Transmission Speed Sensor– Transmission Speed Sensor harness is open or shorted– Transmission Speed Sensor circuit poor electrical connection When is the obd code mean? Diagnostic Trouble Code (DTC) P0717 is detected when TCM or ECM receives no signal from the sensor. Symptoms – Engine Light ON (or Service Engine Soon Warning…
B2784 LEXUS Antenna Coil Open/Short
Possible causes – Faulty Transponder key amplifier– Transponder key amplifier wire harness– Faulty tTransponder key ECU assy When is the obd code mean? Antenna coil is open/short B2784 LEXUS OBD Code Description The transponder key coil is built into the transponder key amplifier and receives a key code signal from the transponder chip in the…