B1281 Mercedes E 270 OBD Code

OBD/2 B1281 error code description and symptoms.

Brake Switch Circuit Input Malfunction Indicates PCM did not receive a brake pedal position (BPP) input. Open or short in BPP circuit Open or short in stoplamp circuits Damaged PCM Malfunction in module(s) connected to BPP circuit. (Rear Electronic Module [REM] Windstar and LS6/LS8 or Lighting Control Module (LCM) Continental and Town Car. Damaged brake switch Misadjusted brake switch Check for proper function of stoplamps.

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.

B1281 Mercedes E 270 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine B1281 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 b1281 servo motor potentiometer coolair circuit open 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 b1281 servo motor potentiometer coolair circuit open.

Common Causes of Mercedes E 270 B1281 OBD2 Code

A common cause of code B1281 is the failure of B1281 Servo Motor Potentiometer Coolair Circuit Open, but there are several other possible causes as well, such as ;

Failures of clutch motion/travel sensors.
Clogged or faulty fuel injector (s)
Clogged or faulty fuel injector (s)
Faulty Crankshaft Position Sensor (POS)

B1281 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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B1281 Mercedes E 270 OBD Code

B1281 Mercedes E 270 Error Code Repair Process :

Common Causes of Mercedes E 270 B1281 OBD2 Code

B1281 code for other Mercedes cars