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P1784 Volvo Transmission Mechanical Failure – First And Reverse Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60

P1783 Volvo Transmission Overtemperature Condition Possible causes – Transmission temperature sensor harness is open or shorted– Transmission temperature sensor circuit poor electrical connection– Faulty transmission temperature sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1783 Volvo Description Engine at operating temperature and the Engine Control Module (ECM) detected the transmission temperature…

P1782 Volvo 2/4-OD Pressure Switch Circuit Possible causes – Low transmission fluid level – Dirty transmission fluid – Faulty 2/4-OD Pressure Switch – 2/4-OD Pressure switch poor electrical connection – 2/4-OD Pressure switch circuit is open or shorted Symptoms – Engine Light ON (or Service Engine Soon Warning Light) – Transmission shift shock P1782 Volvo…

P1781 Volvo 4×4 Low Switch is Out of Self-Test Range Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60

P1780 Volvo Park/Neutral Position Switch Malfunction Possible causes – Faulty Park/Neutral Position (PNP) switch– Park/Neutral Position (PNP) switch harness is open or shorted– Park/Neutral Position (PNP) switch circuit poor electrical connection– Misadjusted Park/Neutral Position (PNP) switch Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1780 Volvo Description The Park/Neutral Position (PNP) switch…

P1779 Volvo Transmission Control Indicator Lamp Circuit Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60

P1778 Volvo Transmission Reverse I/P Circuit Malfunction Possible causes – Faulty Step Motor Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1778 Volvo Description The step motor’s 4 aspects of ON/OFF change according to the signal from Transmission Control Module (TCM). As a result, the flow of line pressure to primary pulley…

P1777 Volvo Ignition Retard Request Circuit Fault Possible causes – Step Motor harness is open or shorted – Step Motor poor electrical connection – Faulty Step Motor P1777 Volvo Description The step motor changes the step with turning 4 coils ON/OFF according to the signal from Transmission Control Module (TCM). As a result, the flow…

P1776 Volvo Ignition Retard Request Duration Fault Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60

P1775 Volvo Transmission System MIL Fault Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60

P1774 Volvo Low Coast Brake Solenoid Valve Function Possible causes – Faulty Low Coast Brake Solenoid Valve– Low Coast Brake Solenoid Valve harness is open or shorted– Low Coast Brake Solenoid Valve circuit poor electrical connection Tech description There is a service bulletin for a various Models with the RE5R05A transmission.Factory Service Bulletin OBDII Code…

P1773 Volvo Problem in A/T Clutch Pressure Control Solenoid Valve B Circuit Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60

P1772 Volvo Low Coast Brake Solenoid Valve Possible causes – Faulty Low Coast Brake Solenoid Valve– Low Coast Brake Solenoid Valve harness is open or shorted– Low Coast Brake Solenoid Valve circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1772 Volvo Description Low coast brake solenoid valve is…

P1771 Volvo Shifting Position Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60

P1770 Volvo Clutch Solenoid Circuit Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60

P1769 Volvo High and Low Reverse Clutch Solenoid Valve Function Possible causes – Faulty High and Low Reverse Clutch Solenoid Valve– High and Low Reverse Clutch Solenoid Valve harness is open or shorted– High and Low Reverse Clutch Solenoid Valve circuit poor electrical connection Tech description There is a service bulletin for a various Models…

P1768 Volvo A/T Clutch Pressure Control Solenoid Valve Circuit Possible causes – Clutch Pressure Control Solenoid Valve harness is open or shorted– Clutch Pressure Control Solenoid Valve circuit poor electrical connection– Faulty Clutch Pressure Control Solenoid Valve Tech description The Clutch Pressure Control Solenoid Valve is located inside the transmission. Symptoms – Engine Light ON…

P1767 Volvo High and Low Reverse Clutch Solenoid Valve Possible causes – Faulty High and Low Reverse Clutch Solenoid Valve– High and Low Reverse Clutch Solenoid Valve harness is open or shorted– High and Low Reverse Clutch Solenoid Valve circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1767…

P1766 Volvo Torque Reduction Execution Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60

P1765 Volvo Timing Solenoid Circuit Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60