U1230 Trouble Code

View U1230 obd/2 error code description and symptoms. U1230 engine photo

Engine Coolant Temperature (ECT) Circuit High Input Indicates the sensor signal is greater than Self-Test maximum. The ECT sensor maximum is 4.6 volts or -50 C (-58 F). Note on some vehicles that are not equipped with an ECT sensor, CHT can be used and can set this DTC. Open circuit in harness Sensor signal short to power Damaged PCM Improper harness connection Damaged sensor ECT V PID reading greater than 4.6 volts with key ON and engine OFF or during any engine operating mode indicates a hard fault.

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.

U1230 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine U1230 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 u1230 scp (j1850) invalid or missing data for electric defrost 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 u1230 scp (j1850) invalid or missing data for electric defrost.

U1230 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 U1230

A common cause of code U1230 is the failure of U1230 SCP (J1850) Invalid or Missing Data for Electric Defrost, but there are several other possible causes as well, such as ;

Engine Control Module (ECM)
Erratic camshaft position due to low oil pressure
Intake Valve Timing Control Solenoid Valve harness is open or shorted
Intake air leaks

U1230 code for all cars

You can view according U1230 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+U1230 Elva Gt

+U1230 Opel Corsa C

+U1230 Mercedes 35 Hp

+U1230 Seat 1500

+U1230 Nissan Cq-x

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

About Us | Contact | Privacy