P2127 on CHEVROLET MALIBU
Throttle/Pedal Position Sensor/Switch E Circuit Low
What P2127 Means on Your CHEVROLET MALIBU
P2127 is a diagnostic trouble code indicating: Throttle/Pedal Position Sensor/Switch E Circuit Low. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real CHEVROLET MALIBU Owner Reports
Source: NHTSA Complaints Database
"While driving received recurring check engine light for p2127/p2138 code. Has been to Quirk Chevrolet twice previously for same issue, drives fine for a week or two and light comes back. Third service appointment scheduled for Monday 6/7/21."
"Cruising to work on i-93 in concord, nh traveling around 65 mph. i went out into the passing lane and the car totally lost power. the "reduce engine power light" came on and vehicle would only go 25-30 mph. thankfully there wasn't a vehicle behind me. i would have been "killed"."
"Cruising to work on i-93 in concord, nh traveling around 70 mph and it just lost power again!!! the "reduce engine power light" came on and vehicle would only go 25-30 mph. thankfully there wasn't a vehicle behind me. i would have been "killed". dropped vehicle to chevy dealer."
"Engine power reduced. engine power reduced. at first it seemed to happen when it was raining, but on dry days no problems. the engine light comes on, and disappears a few hours later. the dealership acts as if they can't tell you anything once the warning and engine light turn off."
"I purchased a 2017 chevy malibu in april 2017 with 11 miles. in less than a month, the car started having issues."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on CHEVROLET MALIBU
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.