U3890 Fiat Grande Punto OBD Code

OBD/2 U3890 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.

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.

U3890 Fiat Grande Punto Error Code Repair Process :

For transmission transfer case shift motor circuit failure 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. U3890 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 transmission transfer case shift motor circuit failure with your car's computers to find out exactly what's prompting the light to turn on.

Common Causes of Fiat Grande Punto U3890 OBD2 Code

A common cause of code U3890 is the failure of Transmission Transfer Case Shift Motor Circuit Failure, but there are several other possible causes as well, such as ;

Failures of clutch motion/travel sensors.
Faulty Intake Valve Timing Control Solenoid Valve
Faulty select solenoid
Faulty TCM or TCM programming

U3890 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.

About Us | Contact | Privacy

U3890 Fiat Grande Punto OBD Code

U3890 Fiat Grande Punto Error Code Repair Process :

Common Causes of Fiat Grande Punto U3890 OBD2 Code

U3890 code for other Fiat cars