P0011 on Gmc Terrain
A Camshaft Position - Timing Over-Advanced or System Performance Bank 1
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Gmc Terrain context without treating complaints as confirmed diagnoses.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for P0011.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
What P0011 Means on Your Gmc Terrain
P0011 is a diagnostic trouble code indicating: A Camshaft Position - Timing Over-Advanced or System Performance Bank 1. This code relates to the fuel and air metering system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real Gmc Terrain Owner Reports
Source: NHTSA Complaints Database
"2011 gmc terrain. consumer writes in regards to engine problems and several other issues with vehicle."
"The issue is only happening on 2011 i-4 2.4l engines. many people with this engine (terrain and equinoxs for a couple) have the same issue. the vehicle makes a rattling noise when starting up..its intermittent."
"Once again, timing chain incident, this time while driving, wasn't expecting it, suddenly my Terrain steering when became stiff to turn, and happened to realize the car motor had shut off and rolling to the right, nearly hitting parked car."
"Engine stalls/ hesitates especially when at a stop, idle for a period such as at a stop light, also when in reverse and does not have a check engine light. this did happen before and a check engine light did appear. i pulled the codes p0010 and p0011."
"Stopped at a light and car just stalled without warning. put the car on park and put my blinkers on. looked at dashboard and no check engine light on. turned car off and on then it started to drive but stalled 4 more times after i came to a full stop at a light."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Gmc Terrain
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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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.