C1969 Mercedes C 230 OBD Code

OBD/2 C1969 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.

C1969 Mercedes C 230 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine C1969 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 exhaust pressure control valve malfunction 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 exhaust pressure control valve malfunction.

Common Causes of Mercedes C 230 C1969 OBD2 Code

A common cause of code C1969 is the failure of Exhaust Pressure Control Valve Malfunction, but there are several other possible causes as well, such as ;

Failures of clutch motion/travel sensors.
Camshaft advance mechanism binding (VCT unit)
Damaged VCT phaser
Spark plugs may be faulty

C1969 is a kind of Chassis Trouble Code

Diagnosing chassis noises can be one of the most frustrating problems technicians face. Fortunately, manufacturers have engineered noise, vibration and harshness (NVH) diagnostic techniques and equipment to find the source of the noise.

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

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C1969 Mercedes C 230 OBD Code

C1969 Mercedes C 230 Error Code Repair Process :

Common Causes of Mercedes C 230 C1969 OBD2 Code

C1969 code for other Mercedes cars