Check U1055 Fault Code

When you check engine light came on code U1055 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the U1055 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.

U1055 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.

U1055 Possible Fix :

Probably the biggest result of injector failure is due to the injectors having excessive return flow or back leakage. This is due to worn parts which allow excessive fuel to go through the diesel injector and to return back to the tank or fuel system. This causes a drop in rail pressure which results in hard starting or not starting at all.

U1055 OBD-II Diagnostic Network (U) Trouble Code Description U1055 SCP (J1850) Invalid or Missing Data for Primary Id so you have to check ODB-II Fault Code Check list. Reason For U1055 Code The reason of U1055 OBD-II Fault Code Check is U1055 SCP (J1850) Invalid or Missing Data for Primary Id.

U1055 Solution:

Power Steering Pressure (PSP) Switch Signal Malfunction The PCM counts the number of times vehicle speed transitions from 0 to a calibratable speed. After a calibratable number of speed transitions the PCM expects that the PSP input should have changed. This DTC is set if the transition is not detected. Vehicle towed with engine running Power steering hydraulic concern was repaired but DTC was not erased PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged Check, if possible, if vehicle was towed or power steering service was performed. Observe PSP V PID while checking wires for intermittents.

What does fault code U1055 mean ? What does a diagnostic reading U1055 mean ? How to fix OBD2 Code U1055 ? What do we know about U1055 code ?

How to Clear U1055 Trouble Code

An OBD 2 scanner is the best and safest way to erase a DTC from your car's system. This scanner communicates with the car's computer and instructs the computer to erase the code. It does not change or tweak the settings from inside the car or its systems.