Mechanic Notes

2017 GMC Sierra 1500: Hard shift in and out of first gear

Common wear/failure (not a recall)

Symptoms

Owners of the 2017 Sierra 1500 report: hard shift in and out of first gear. CarComplaints.com lists 17 owner complaints, average mileage 12,200 miles.

NHTSA has 144 owner complaints for the 2017 Sierra 1500 in this area. Examples:

Likely causes

Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.

Fix, in plain English

Most common owner-reported solutions on CarComplaints.com: reset computer (1 reports). Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.

DIY difficulty: Pro

Diagnosis needs a scan tool; repair or replacement needs a lift, transmission jack and the manufacturer's fluid fill/relearn procedure. (Our assessment.)

Cost

No sourced cost range: get a written quote after diagnosis.

Typical parts (search links, no affiliate codes)

AutoZone · O'Reilly · Advance · RockAuto

Sources

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