C1969 Mercedes C 250 OBD Code

OBD/2 C1969 error code description and symptoms.

The input turbine speed sensor detects rotation of the input shaft of the input shaft speed sensor transmission. The computer uses that information, along with the output shaft speed sensor to determine if the transmission is operating according to plan. If the computer detects a difference between the input shaft speed , and the expected output shaft speed, it will adjust transmission pump pressure to prevent clutch disc slip. If adding pressure doesn't solve the problem, it will set a trouble code.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

C1969 Mercedes C 250 Error Code Repair Process :

For exhaust pressure control valve malfunction 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. C1969 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 exhaust pressure control valve malfunction with your car's computers to find out exactly what's prompting the light to turn on.

Common Causes of Mercedes C 250 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 ;

Faulty Air Flow Meter
Continuous oil flow to the VCT piston chamber
Failures of clutch motion/travel sensors.
Erratic camshaft position due to low oil pressure

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 250 OBD Code

C1969 Mercedes C 250 Error Code Repair Process :

Common Causes of Mercedes C 250 C1969 OBD2 Code

C1969 code for other Mercedes cars