P0101 on NISSAN ALTIMA
What P0101 Means on Your NISSAN ALTIMA
Real NISSAN ALTIMA Owner Reports (Source: NHTSA Complaints Database)
"What component or system failed or malfunctioned, and is it available for inspection upon request? The Engine Control Module (ECM) is malfunctioning, triggering persistent P0101 codes related to the Mass Air Flow (MAF) sensor."
"I get the p0101 code that indicates a mass air flow issue. while driving the car cuts off, stalls, sputters. often the car can be restarted, but it contines to stutter, or shut off. the issue has occurred while driving on nyc streets and on highways, usually while driving on straight roads."
"I have replaced the mass air flow sensor and the code keeps coming on. it only stayed off for a month. it causes the car to idle rough. i am not sure if the other problems that are happening are related but the only light that comes on is the service engine light and the code shows p0101."
"P0101 powertrain/maf circuit issue keeps coming back with car. even a technical service bulletin has been issued by the manufacturer for this issue. dealer reprogrammed ecu/updated & <maf sensor ."
"My engine service light is on and I have scanned with diagnostics. The code P0101, C119A, and C1155 with the most likely solution is to reprogram the power train control module(PCM)."
Data from NHTSA Vehicle Complaints Database. All reports are filed by vehicle owners directly with the U.S. Department of Transportation.
Common Causes of P0101 on NISSAN ALTIMA
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.