P0128 on JEEP CHEROKEE
What P0128 Means on Your JEEP CHEROKEE
Real JEEP CHEROKEE Owner Reports (Source: NHTSA Complaints Database)
"Cei p0128 coolant temperature too cold. no overheating issues, temps have remained consistently. came on while driving. thermostat needs replacing in only 4 years from purchase. temps have only been hovering around freezing."
"Cei p0128 coolant temperature too cold. having to replace thermostat on a car only 3 years old. temps have not been below freezing & didn't have this issue last winter. thermostat is stuck open so gas consumption has increased & heat has decreased."
"Engine and car was not warming up with remote start. Finally check engine light comes on. Code P0128 thermostat. Repaired 1/28/2021 @ 85762 miles. All antifreeze replaced. $600+ repair. 2/1/2022 same observed failure of engine to warm up during remote starts."
"'shifter bezel and wiring requires replacement according to eide chrysler service techs 'shift module not functioning ' replaced by eide chrysler twice 'vehicle randomly swaps between r/n/d while driving 'vehicle has difficult time starting 'check engine light ' code p0128 ' coolant temperature"
Data from NHTSA Vehicle Complaints Database. All reports are filed by vehicle owners directly with the U.S. Department of Transportation.
Common Causes of P0128 on JEEP CHEROKEE
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.