P0617 NISSAN Starter Relay Circuit High

Possible causes – Park/neutral position (PNP) relay (starter relay)– Park/neutral position (PNP) relay (starter relay) harness is open or shorted– Park/neutral position (PNP) relay (starter relay) circuit poor electrical connection– Faulty Transmission Control Module (TCM) When is the obd code mean? The P0617 code is detected when the Engine Control Module (ECM) has detected a…

P0733 NISSAN 3rd. Gear Malfunction

Possible causes – Low transmission fluid level– Dirty transmission fluid– Shift solenoids– Transmission mechanical problems– Transmission hydraulic control circuit Tech description There is a Nissan bulletin for the following models: 1995-1996 Nissan Maxima1995-1997 Nissan Sentra/200SX1996-1997 Nissan Truck1995-1997 Nissan Altima1996-1997 Nissan Pathfinder1995-1996 Nissan 240SX1996-1997 Nissan Quest Nissan Service Bulletin OBDII Code P0733 When is the obd…

P0729 NISSAN Automatic Transmission 6th Gear Incorrect Ratio

Possible causes – Low transmission fluid level– Shift solenoid mechanical fault– Hydraulic circuit fault– Transmission failure Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Transmission will not shift into 6th gear P0729 NISSAN OBD Code Description This malfunction is detected when the A/T does not shift into 6GR position as instructed by…

P1706 NISSAN Park and Neutral Position Switch

Possible causes – Misadjusted Park/Neutral Switch– Faulty Park/Neutral Switch– Park/Neutral Switch harness is open or shorted– Park/Neutral Switch circuit poor electrical connection Tech description For models with “Manual Transmission” the P1706 is for the Neutral Position Switch. When is the obd code mean? The signal of the park/neutral position (PNP) switch is not changed in…

P0850 NISSAN Park/Neutral Switch

Possible causes – Misadjusted Park/Neutral Switch– Faulty Park/Neutral Switch– Park/Neutral Switch harness is open or shorted– Park/Neutral Switch circuit poor electrical connection When is the obd code mean? The signal of the park/neutral position (PNP) switch is not changed in the process of engine starting and driving. Symptoms – Engine Light ON (or Service Engine…

P1456 NISSAN Evaporative Emission Control System Leak Detected Small Leak

Possible causes – Missing Fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap– Incorrect fuel tank vacuum relief valve– Leak is in line between intake manifold and EVAP canister purge volume control solenoid valve. Tech description Usually loose or bad fuel…

P0446 NISSAN Evaporative System Canister Vent Control Valve Circuit

Possible causes – Missing Fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap– Vent control valve harness is open or shorted– Vent control valve circuit poor electrical connection– Faulty vent control valve Tech description Before replacing any parts, try re-tighten the…

P0442 NISSAN EVAP Control System Leak Detected Small Leak

Possible causes – Missing or loose fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap – EVAP canister or fuel tank leaks– EVAP system hose leaking– Fuel tank leaking Tech description The fuel tank filler cap and the Purge Volume Control…

P1441 NISSAN Evaporative Emission Control System Very Small Leak

Possible causes – Missing or loose fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap– EVAP canister or fuel tank leaks– EVAP system hose leaking– Fuel tank leaking Tech description The fuel tank filler cap and the Purge Volume Control Valve…

P0440 NISSAN EVAP Control System Small Leak

Possible causes – Missing or loose fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap– EVAP canister or fuel tank leaks– EVAP system hose leaking– Fuel tank leaking Tech description The P0440 code means that the control module has detected a…