Question

1996 GMC Jimmy with codes C1268 and C1266. How do I fix this?

Answer 1

C1268 Right rear outlet solenoid valve malfunction

The fix you replace the whole unit, for the ABS, Robots build the vehicle and as a result there is a pattern failure to all make and model and years, GMC and Chevy all the time ABS units, Chrysler is  ECMs, Honda is  thermostat problem.and EGR system, Fordi s  transmission and the list goes on.C1268 you need the brake pressure modulator valve and the control unit.

Answer 2

C1266 GMC Code - Left Rear Outlet Valve Solenoid Malfunction
Read more: https://www.autocodes.com/c1266_gmc.html

C1268 GMC Code - Right Rear Outlet Valve Solenoid Malfunction
Read more: https://www.autocodes.com/c1268_gmc.html