What does fault mode on Chevy Impala mean?

That is the street slang term for a fault mode in which the PCM cuts power to the transmission. The transmission will default to max line pressure. The driver will have Reverse and 3rd, with manual 2nd available by putting the gearshift in 2 or 1 (doesn’t matter). 1st, 4th, and TCC lockup will not be available.

How to know if your Chevy Impala has transmission problems?

Transmission shifts hard from low to second and second to third after driving around town slow for a while. After it sits for a few days, it won’t do it again for a day or two

What kind of air intake does an impala have?

Aftermarket Air Intakes Air Foils Serpentine Belt Squealing Camshaft Comparisons Performance PCM Programs Valvetrain Clatter and Ticking Unconnected Connectors Differences Between LT1 Engines Diagnosing Electrical Problems

Are there any problems with the Chevy Impala SS?

8. 1st and 3rd only, no 2,4 or R; sunshell is fractured or splines are sheared off. R&R. Try not to run or drive the car or further damage could result.

Transmission shifts hard from low to second and second to third after driving around town slow for a while. After it sits for a few days, it won’t do it again for a day or two

How can I Fix my Chevy Impala 4L60E?

Try a different PCM, and check for chafing where the cables come out of the PCM and touch the LF fenderwell. ALL ELECTRICAL PROBLEMS ON THE B/D-BODY 4L60E CAN BE FIXED WITHOUT REMOVING THE TRANSMISSION.