P0128
Coolant thermostat below regulating temperature
- System
- Powertrain - engine and transmission
This is a standard code. It means the same thing on every make of vehicle.
Related codes
- P0100Mass or volume air flow circuit
- P0101Mass or volume air flow circuit range or performance
- P0102Mass or volume air flow circuit low input
- P0103Mass or volume air flow circuit high input
- P0104Mass or volume air flow circuit intermittent
- P0105Manifold absolute pressure circuit
- P0106Manifold absolute pressure range or performance
- P0107Manifold absolute pressure circuit low