P2138 on CHEVROLET COLORADO
What P2138 Means on Your CHEVROLET COLORADO
Real CHEVROLET COLORADO Owner Reports (Source: NHTSA Complaints Database)
"During any type of moisture ie (fog, rain) vehicle goes into reduced engine power mode codes from the ecm p2122 and p2138 both relating to app. first time it happened was in rain storm in motion, app pedal was replaced with new oem part but the problem persists."
"Received a P2138 Throttle/Pedal position sensor/switch "D"/"E" voltage correlation code while driving that caused "Reduced Power" and "stabilitrak" errors."
"I got a check engine light while and engine goes into reduced power mode. you can't drive in reduced power mode! i have to clear it to move the truck. i did a scan which showed a p2138 code."
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 CHEVROLET COLORADO
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.