P2138 on GMC YUKON
What P2138 Means on Your GMC YUKON
Real GMC YUKON Owner Reports (Source: NHTSA Complaints Database)
"Without warning, check engine light, reduced power and stability system shut down dash board engine light came on and stayed on. had engine code scanned (p2138, p0102) still problem is not resolved. dealer was no help just wanted to sell parts that may fix it."
"Tl* the contact owns a 2008 gmc yukon xl. the contact stated that the vehicle would only accelerate to 10 t0 15 mph. in addition, the stabilitrac, engine control module, and engine power reduced indicators illuminated. the contact was able to drive the vehicle onto the road shoulder."
"This is twice that i've received the p2138 throttle body sensor code, which causes reduced engine power and has subsequent issues around stabilitrack/awd. the first time was in the middle of an intersection, we limped out of the intersection at 3 mph. today, my wife limped home from the store."
Data from NHTSA Vehicle Complaints Database. All reports are filed by vehicle owners directly with the U.S. Department of Transportation.
Common Causes of P2138 on GMC YUKON
Percentages based on NHTSA complaint component analysis for this vehicle.
Complaint Trend by Year
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if your vehicle is covered.
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2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50-$150) pinpoints the root cause before you spend money on parts.
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3
Compare repair quotes
Get 2-3 quotes. Dealer vs independent shop prices often differ 30-50% for the same repair.