Volkswagen Passat
P0128
The P0128 code indicates that the engine coolant temperature is below the optimal operating temperature for a specified period, suggesting a potential issue with the coolant temperature sensor, thermostat, or cooling system in a 2015-2022 Volkswagen Passat B8.
3 SolutionsP-CodePowertrain
P
Error Code Type
Powertrain
Components
1 affected
Cooling System
Symptoms
10 common
- •Check engine light illuminated
- •Engine temperature gauge reading lower than normal
- •Poor fuel economy
- +7 more
Most Affected Generations
2 generations
B9
2
B8
1
Top Affected Components
1 component
Cooling System
3
Severity Levels
1 level
medium
3
Quick Facts
3
Total Solutions
1
Affected Components
10
Common Symptoms
2
Generations
All Solutions
Showing 3 of 3 solutions for error code P0128 across all generations.
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