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P1684 Volvo Transmission Control Module Power Up Temperature Sensor Performance Possible causes – Reprogram TCM and recheck code– Replace Transmission Control Module (TCM) Sensor/body assembly one piece Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1684 Volvo Description The Transmission Control Module (TCM) power up the temperature sensor is located inside of…

P1683 Volvo Metering Oil Pump Temperature Sensor 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

P1682 Volvo Ignition 1 Switch Circuit 2 Possible causes – Faulty ignition switch– Ignition Switch harness is open or shorted– Ignition Switch circuit poor electrical connection– Faulty Engine Control Module (ECM) What about the obd code? The ECM has detected a voltage deifference between two circuits Symptoms – Engine Light ON (or Service Engine Soon…

P1681 Volvo Control Module Not Programmed Possible causes – Fualty ECM– Wrong ECM for vehicle– Service program error What about the obd code? Engine Control Module (ECM) program does not recognize the vehicles id, or the id is missing in the ECM. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1681 Volvo…

P1680 Volvo Control Module Not Programmed Possible causes – Engine Control Module (ECM) programm error– Wrong Engine Control Module (ECM)– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1680 Volvo Description The Engine Control Module (ECM) program does not recognize the vehicles id, or the id is…

P1679 Volvo Immobilizer Environment Identification Failed Possible causes – Deterrent key not programmed to vheicle– Faulty Deterrent key– Fualty ignition switch– Poor electrical connection for Deterrent circuit components Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– No or hard engine start situation P1679 Volvo Description The Engine Control Module (ECM), the Powertrain…

P1678 Volvo Immobilizer Powertrain Identification Failed Possible causes – Deterrent key not programmed to vheicle– Faulty Deterrent key– Fualty ignition switch– Poor electrical connection for Deterrent circuit components Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– No or hard engine start situation P1678 Volvo Description The Engine Control Module (ECM), the Powertrain…

P1677 Volvo Immobilizer Function Deactivated Possible causes – Deterrent key not programmed to vheicle– Faulty Deterrent key– Fualty ignition switch– Poor electrical connection for Deterrent circuit components Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– No or hard engine start situation P1677 Volvo Description The Engine Control Module (ECM), the Powertrain Interface…

P1676 Volvo EVAP Canister Purge Solenoid Control Circuit Fault Possible causes – EVAP Canister Purge Solenoid harness is open or shorted – EVAP Canister Purge Solenoid circuit poor electrical connection – Faulty EVAP Canister Purge Solenoid Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1676 Volvo Description The Engine Control Module (ECM)…

P1675 Volvo EVAP Vent Solenoid Control Circuit Possible causes – EVAP canister vent control solenoid harness is open or shorted – EVAP canister vent control solenoid circuit poor electrical connection – Faulty EVAP canister vent control solenoid Symptoms – Engine Light ON (or Service Engine Soon Warning Light) – Possible a noticeable fuel odor caused…

P1674 Volvo Tachometer Control 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

P1673 Volvo Cooling Fan Relay Circuit Malfunction Possible causes – Faulty cooling fan relay– Cooling fan relay harness is open or shorted– Cooling fan relay circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Radiator fan inoperative– Engine overheating Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo…

P1672 Volvo Low Engine Oil Level Lamp Control 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

P1671 Volvo Driver 4 Line 1 Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60

P1670 Volvo Electronic Feedback Signal Not Detected 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

P1669 Volvo ABS Unit Expected Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60

P1667 Volvo Reverse Inhibit Solenoid Control 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

P1666 Volvo Driver 3 Line 6 Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60

P1665 Volvo Driver 3 Line 5 Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60

P1664 Volvo 1-4 Upshift Lamp Control 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