By ALLDATA Tech-Assist Team
Here’s a compilation of some of the Tech Tips ALLDATA compiles as its Tech-Assist Team helps technicians tackle vehicle issues. More detail on these tips —including marked-up schematics, images and recommendations — are searchable in the ALLDATA Community (https://www.alldata.com/alldata-community).
GMC Sierra lacks power, no DTCs
Problem: A customer with a 2013 GMC Sierra 2500 (4WD, V8-6.0L, automatic transmission/transaxle) with 86,910 miles complained that the engine in his truck had no power to climb hills or pull out into traffic. The malfunction indicator light (MIL) was not on.…
