B0266 Bmw 640 OBD Code

OBD/2 B0266 error code description and symptoms.

Output Shaft Speed sensor circuit intermittent failure The output shaft speed sensor signal to the PCM is irregular or interrupted.
Harness connector not properly seated Harness intermittently shorted, or open Harness connector damaged OSS sensor damaged, or not installed properly Verify harness and connector integrity Verify OSS sensor proper installation.

Gear changes are accomplished by a command from the TCM to energize the clutch actuator to release the clutch; after which various actuators inside the transmission disengage the current gear, and depending on current operating conditions, engage the next higher or lower gear ratio. All of this happens much faster than a human driver could change gears, and in most applications, gear changes are as smooth and seamless as on any fully automatic transmission.

B0266 Bmw 640 Error Code Repair Process :

If your vehicle failed a B0266 test and the B0266 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 vehicle speed sensor range/performance 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 vehicle speed sensor range/performance: 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.

Common Causes of Bmw 640 B0266 OBD2 Code

A common cause of code B0266 is the failure of Vehicle Speed Sensor Range/Performance, but there are several other possible causes as well, such as ;

Camshaft Position Sensor harness is open or shorted
Faulty Camshaft Position Sensor
Air fuel ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection
Fuel Injectors circuit poor electrical connection

B0266 is a kind of Body Trouble Code

Auto body problems aren't always easy to spot. Diagnosing auto body problems sometimes requires a little know-how. In this section you'll find articles dedicated to teaching you how to diagnose auto body problems.

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

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B0266 Bmw 640 OBD Code

B0266 Bmw 640 Error Code Repair Process :

Common Causes of Bmw 640 B0266 OBD2 Code

B0266 code for other Bmw cars