P0B1A Trouble Code

View P0B1A obd/2 error code description and symptoms. P0B1A 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 P0B1A. However, it is intended to flash the transmission control indicator lamp (TCIL) for first time VSS circuit error/malfunctions. Refer to possible causes for P0B1A

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.

P0B1A Error Code Repair Process :

If your vehicle failed a P0B1A test and the P0B1A Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses rear washer input short to ground a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look rear washer input short to ground: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression. Use your OBD Express DIY to look at the oxygen sensor outputs, coolant temperature, airflow, calculated engine load, and inlet air temperature.

P0B1A 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 P0B1A

A common cause of code P0B1A is the failure of Rear Washer Input Short to Ground, but there are several other possible causes as well, such as ;

EVAP system hose leaking
Faulty spark plug (s)
Damaged camshaft position (CMP) sensor
Incorrect fuel pressure

P0B1A code for all cars

You can view according P0B1A DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P0B1A Mg Rover

+P0B1A Gaz M1

+P0B1A Holden Eh

+P0B1A Chevrolet Aveo 2

+P0B1A Rover 10

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

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