P055A Citroen Ds3 OBD Code

OBD/2 P055A 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 P055A. However, it is intended to flash the transmission control indicator lamp (TCIL) for first time VSS circuit error/malfunctions. Refer to possible causes for P055A

One example of this would be when an automatic vehicle in placed in gear. To prevent the added drag from the torque converter and transmission from reducing the idling speed, the PCM will command the idle control valve to allow more air to enter the engine, while at the same time, adjusting the injector pulse width to inject more fuel to suit the increased amount of air. Note that the idle air control valve is closed by the PCM when the throttle plate is opened to prevent excess air from entering the engine.

P055A Citroen Ds3 Error Code Repair Process :

For immobilizer/ecm communication error check engine light is perhaps the most troubling of lights because it could mean so many different things, from you didn't screw the gas cap on tightly enough to look out for pistons flying through the hood and into the stratosphere. The easiest way to find out what this light is telling you is to hook your vehicle up to a scan tool. P055A error code diagnostic tool looks a little like an oversized calculator and plugs into a communication port inside the car. After you instruct it to perform the scan, it speaks immobilizer/ecm communication error with your car's computers to find out exactly what's prompting the light to turn on.

Common Causes of Citroen Ds3 P055A OBD2 Code

A common cause of code P055A is the failure of Immobilizer/ECM Communication Error, but there are several other possible causes as well, such as ;

EVAP system hose leaking
Engine Control Module (ECM)
EVAP canister or fuel tank leaks
Open or short in the CMP sensor circuits

P055A 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.

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

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P055A Citroen Ds3 OBD Code

P055A Citroen Ds3 Error Code Repair Process :

Common Causes of Citroen Ds3 P055A OBD2 Code

P055A code for other Citroen cars