P0840 NISSAN Transmission Fluid Pressure Sensor A

Possible causes – Transmission Fluid Pressure Sensor A harness is open or shorted – Transmission Fluid Pressure Sensor A poor electrical connection – Faulty Transmission Fluid Pressure Sensor A – Transmission Valve Body Tech description There is a service bulletin for the P0840 code for the following Nissan Models: 2007-2008 Nissan Altima 2007-2008 Nissan Rogue…

P0845 NISSAN Transmission Fluid Pressure Sensor B

Possible causes – Transmission Fluid Pressure Sensor B harness is open or shorted – Transmission Fluid Pressure Sensor B poor electrical connection – Faulty Transmission Fluid Pressure Sensor B – Transmission Valve Bosy Tech description There is a service bulletin for the P0845 code for the following Nissan Models: 2007-2008 Nissan Altima 2007-2008 Nissan Rogue…

P1491 NISSAN SENTRA Secondary Switch Solenoid Circuit Malfunction

Possible causes – Vacuum cut valve bypass valve– Vacuum cut valve– Bypass hoses for clogging– EVAP control system pressure sensor and circuit– EVAP canister vent control valve– Hose between fuel tank and vacuum cut valve clogged– Hose between vacuum cut valve and EVAP canister clogged– EVAP purge port of fuel tank for clogging Tech description…

P1491 NISSAN Vacuum Cut Valve Bypass Valve

Possible causes – Vacuum cut valve bypass valve– Vacuum cut valve– Bypass hoses for clogging– EVAP control system pressure sensor and circuit– EVAP canister vent control valve– Hose between fuel tank and vacuum cut valve clogged– Hose between vacuum cut valve and EVAP canister clogged– EVAP purge port of fuel tank for clogging Tech description…

P1720 NISSAN Vehicle Speed Meter Circuit Malfunction

Possible causes – VDC/TCS/ABS to ECM circuit harness is open or shorted– TCM to ECM circuit harness is open or shorted– VDC/TCS/ABS to ECM circuit connectors – TCM to ECM circuit connectors – Faulty revolution sensor When is the obd code mean? Malfunction is detected when ECM detects a difference between two vehicle speed sensor…

P1722 NISSAN Estimated Vehicle Speed Signal

Possible causes – Vehicle speed sensor harness is open or shorted– Vehicle speed sensor circuit poor electrical connection– Faulty Vehicle Speed Sensor When is the obd code mean? There is a big difference between the vehicle speed signal from the ABS actuator and the electric unit (control unit), and the vehicle speed sensor signal. Symptoms…

P1605 NISSAN Automatic Transmission Communication

Possible causes – Weak battery– Faulty Transmission Control Module (TCM)– Harness is open or shorted between (TCM) and Engine Control Module (ECM)– Poor circuit electrical connection between (TCM) and (ECM) When is the obd code mean? Malfunction is detected when an incorrect signal from Transmission control module (TCM) is sent to Engine Control Module (ECM)….