Easy Car Diagnostic (Breakdowns, Battery, Component wear & Pollution)

Buy the diagnostic tool

 

Download the mobile app

U1026 – CHEVROLET

Code : U1026
Marque : CHEVROLET
Description : U1026 CHEVROLET SCP Invalid or Missing Data for Engine RPM
Possible causes :
– Faulty / intermittent ignition switch connections
– J1850 / SCP Bus wiring intermittently open, shorted to power or ground
– Faulty / intermittent connection at the Powertrain Control Module (PCM)
– Faulty / intermittent connection at the Instrument Panel Cl
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top