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P0018 on GMC ACADIA

Severity
Medium
NHTSA Reports
2
Most Affected
2014, 2017

What P0018 Means on Your GMC ACADIA

Real GMC ACADIA Owner Reports (Source: NHTSA Complaints Database)

"Tl* the contact owns a 2014 gmc acadia. the contact stated that the check engine warning light was illuminated. the contact took the vehicle to jim curley buick gmc of keyport (400 nj-35, keyport, nj 07735) to have a diagnostic test performed."

— 2014 GMC ACADIA owner • ENGINE • Filed 07/31/2017

"The contact owns a 2017 GMC Acadia. The contact stated while driving 20 MPH and accelerating to 25 MPH, the vehicle jerked and downshifted, and decelerated to 17-18 MPH. The contact stated that the failure occurred several times while driving."

— 2017 GMC ACADIA owner • POWER TRAIN,ENGINE • Filed 02/01/2024

Data from NHTSA Vehicle Complaints Database. All reports are filed by vehicle owners directly with the U.S. Department of Transportation.

Common Causes of P0018 on GMC ACADIA

50%
50%

Percentages based on NHTSA complaint component analysis for this vehicle.

Complaint Trend by Year

2014
1
2017
1

What To Do Next

  1. 1
    Check for recalls on YOUR VIN

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if your vehicle is covered.

  2. 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.

  3. 3
    Compare repair quotes

    Get 2-3 quotes. Dealer vs independent shop prices often differ 30-50% for the same repair.

P0018 on Other Vehicles

Data sourced from the National Highway Traffic Safety Administration (U.S. Department of Transportation) and the SAE J2012 OBD-II standard. Code definitions follow the SAE J2012 / ISO 15031-6 standard. Owner reports are filed directly with NHTSA by vehicle owners. This information is provided for educational purposes only and should not replace professional automotive diagnosis. Always consult a qualified mechanic for vehicle repair decisions.

Last updated: March 2026