1996 Chevrolet Express 1500 U1138 Fault Code Check

When you check 1996 Chevrolet Express 1500 car engine light came on code U1138 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Chevrolet manufacturer may have a different definition for the U1138 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.

On 1999 and later U1138 1996 1996 Chevrolet Express 1500 engines, the instrument cluster has a built-in self-diagnostic mode that can be accessed by pressing and holding the instrument cluster SELECT/RESET button. Insert the ignition key and turn to the RUN position (but don't crank or start engine). Continue to press and hold the SELECT/RESET button (for 5 seconds) until the word TEST is displayed by the odometer. Release the SELECT/RESET button within three seconds after the word TEST is displayed to begin the self-diagnostic mode.

1996 Chevrolet Express 1500 U1138 OBD-II Diagnostic Network (U) Trouble Code Description U1138 SCP (J1850) Invalid or Missing Data for Primary Id so you have to check ODB-II Fault Code Check list. Reason For 1996 Chevrolet Express 1500 U1138 Code The reason of 1996 Chevrolet Express 1500 U1138 OBD-II Fault Code Check is U1138 SCP (J1850) Invalid or Missing Data for Primary Id.

1996 Chevrolet Express 1500 U1138 Possibble Fix Ways :

A failing oil pump can cause what's called oil starvation, which is almost always fatal to any engine. Overhead cam engines are especially at risk, because the cam and valve train are farther from the pump than they are in pushrod engines. Oil should be of a proper viscosity, which means it needs to be light enough to move quickly.

While fuel economy was increased, acceleration was seriously compromised, and the loss of engine vacuum led to a dangerous loss of braking assist when the U1138 1996 1996 Chevrolet Express 1500 code system was in four-cylinder mode. In addition to these issues, while the company proposed a hydraulically controlled system that could be switched from within the car, the version they implemented had to be manually changed in the engine compartment using hand tools.

What does fault code U1138 mean for 1996 Chevrolet Express 1500 ? What does a diagnostic reading U1138 mean for 1996 Chevrolet Express 1500 ? How to fix OBD2 Code U1138 for 1996 Chevrolet Express 1500 ? What do we know about U1138 code for 1996 Chevrolet Express 1500 ?