U1146 Trouble Code

View U1146 obd/2 error code description and symptoms. U1146 engine photo

The Throttle Position sensor signals the Engine Control Module as to the current position of the engine throttle valve.
The current throttle valve opening is based on the driver's input from the gas pedal. The ECM uses the information from this sensor to help calculate fuel delivery and spark timing.

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.

U1146 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine U1146 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 u1146 scp (j1850) invalid or missing data for vehicle security 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 u1146 scp (j1850) invalid or missing data for vehicle security.

U1146 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.

Common Causes of U1146

A common cause of code U1146 is the failure of U1146 SCP (J1850) Invalid or Missing Data for Vehicle Security, but there are several other possible causes as well, such as ;

Damaged ECM
1Camshaft Position Sensor circuit poor electrical connection
Camshaft advance mechanism binding (VCT unit)
Damaged VCT phaser

U1146 code for all cars

You can view according U1146 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+U1146 Saab 9.5

+U1146 Packard A

+U1146 Renault Re

+U1146 Chevrolet Evanda

+U1146 Mercedes Cls 250

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

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