U0797 Mercedes E Class OBD Code

OBD/2 U0797 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.

Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code U0797, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code U0797 on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

U0797 Mercedes E Class Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine U0797 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 injector high sides shorted together 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 injector high sides shorted together.

Common Causes of Mercedes E Class U0797 OBD2 Code

A common cause of code U0797 is the failure of Injector High Sides Shorted Together, but there are several other possible causes as well, such as ;

Failures of clutch motion/travel sensors.
Faulty front heated oxygen sensor
Erratic camshaft position due to low oil pressure
Insufficient cylinders compression

U0797 is a kind of Network Trouble Code

U-code indicates that engine communication errors and shows lost communication with engine parts.U-Codes are fairly straight forward, given all of the articles and technical publications that have been written regarding these problematic codes. In most cases, it just comes down to identifying the module that isn't communicating with the other modules on the CAN bus line for whatever reason.

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

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U0797 Mercedes E Class OBD Code

U0797 Mercedes E Class Error Code Repair Process :

Common Causes of Mercedes E Class U0797 OBD2 Code

U0797 code for other Mercedes cars