P1049 Holden Hj OBD Code

OBD/2 P1049 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 P1049. However, it is intended to flash the transmission control indicator lamp (TCIL) for first time VSS circuit error/malfunctions. Refer to possible causes for P1049

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.

P1049 Holden Hj Error Code Repair Process :

For speed wheel sensor lr input short circuit to battery 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. P1049 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 speed wheel sensor lr input short circuit to battery with your car's computers to find out exactly what's prompting the light to turn on.

Common Causes of Holden Hj P1049 OBD2 Code

A common cause of code P1049 is the failure of Speed Wheel Sensor LR Input Short Circuit To Battery, but there are several other possible causes as well, such as ;

EVAP system hose leaking
Faulty Mass Air Flow (MAF) sensor
Incorrect fuel filler cap used
Ignition misfiring

P1049 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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P1049 Holden Hj OBD Code

P1049 Holden Hj Error Code Repair Process :

Common Causes of Holden Hj P1049 OBD2 Code

P1049 code for other Holden cars