C3494 Citroen C8 OBD Code

OBD/2 C3494 error code description and symptoms.

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 C3494. However, it is intended to flash the transmission control indicator lamp (TCIL) for first time VSS circuit error/malfunctions. Refer to possible causes for C3494

As long as the throttle plate remains closed, the idling speed and quality is controlled by the PCM via the idle control valve, and as can be seen from the above it should be clear that idle control on a gasoline engine is a complex affair. For instance, if the engine is started in sub-zero temperatures, the PCM will command the idling control valve to allow less air to enter the engine to enrich the air/fuel mixture to create a condition which is roughly analogous to how chokes worked on carburetted engines to control idling in cold weather.

C3494 Citroen C8 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine C3494 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 passenger door lock switch circuit shorted to ground 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 passenger door lock switch circuit shorted to ground.

Common Causes of Citroen C8 C3494 OBD2 Code

A common cause of code C3494 is the failure of Passenger Door Lock Switch Circuit Shorted to Ground, but there are several other possible causes as well, such as ;

EVAP system hose leaking
Exhaust gas leaks
Faulty spark plug (s)
Variable Camshaft Timing (VCT) position circuit is open or shorted

C3494 is a kind of Chassis Trouble Code

Diagnosing chassis noises can be one of the most frustrating problems technicians face. Fortunately, manufacturers have engineered noise, vibration and harshness (NVH) diagnostic techniques and equipment to find the source of the noise.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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C3494 Citroen C8 OBD Code

C3494 Citroen C8 Error Code Repair Process :

Common Causes of Citroen C8 C3494 OBD2 Code

C3494 code for other Citroen cars