P0684 Trouble Code

View P0684 obd/2 error code description and symptoms. P0684 engine photo

Vehicle Speed Sensor (VSS) Intermittent Indicates the powertrain control module (PCM) detected an error in the vehicle speed information. Vehicle speed data is received from either the vehicle speed sensor (VSS), transfer case speed sensor (TCSS), anti-lock brake system (ABS) control module, generic electronic module (GEM), or central timer module (CTM). This DTC is set the same way as P0684. However, it is intended to flash the transmission control indicator lamp (TCIL) for first time VSS circuit error/malfunctions. Refer to possible causes for P0684

On some transmissions, such as automated manual transmissions or automatic transmissions with manual mode, the GSP switch lets the TCM know whether or not the driver has selected automatic or manual function. On manual transmissions, the GSP switch informs the TCM which gear the driver is selecting, and may function as a neutral safety switch, depending on system design. The TCM also uses the gate select position switch to monitor transmission operation. For example, if the driver selects manual mode and selects 3rd gear on an automatic transmission, the TCM may monitor speed sensors to detect clutch and brake slippage.

Difficulty Level (Expert)
Level
Repair Time (60 Min.)
Time
Cost Prediction : $ 75-90

P0684 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine P0684 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If p0684 glow plug control module to ecm communication circuit range/performance so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the p0684 glow plug control module to ecm communication circuit range/performance.

Wrench Tool P0684 is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

Common Causes of P0684

A common cause of code P0684 is the failure of P0684 Glow Plug Control Module to ECM Communication Circuit Range/Performance, but there are several other possible causes as well, such as ;

P0684 code for all cars

You can view according P0684 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P0684 Holden Lh +P0684 Goliath 1100 +P0684 Nissan Frontier +P0684 Farboud Gts +P0684 Rover 2300

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