SpareRadar OBD-II Code Lookup

P0128

Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)

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Code structure P0128
P
Powertrain
engine, transmission and emissions
0
Standardised
Defined by the OBD-II standard, so it means the same on any compliant vehicle.
1
2
8
Fault index
identifies the specific fault
Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
Powertrain Standardised
Nearby codes in the P0 range
P0124 Throttle/Pedal Position Sensor/Switch A Circuit Intermittent P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control P0126 Insufficient Coolant Temperature for Stable Operation P0127 Intake Air Temperature Too High P0129 Barometric Pressure Too Low P012A Turbocharger/Supercharger Inlet Pressure Sensor A Circuit P012B Turbocharger/Supercharger Inlet Pressure Sensor A Circuit Range/Performance P012C Turbocharger/Supercharger Inlet Pressure Sensor A Circuit Low

Fault code meanings from lennykean/OBDII.DTC (master), used under the MIT licence. Copyright (c) 2023 Lenny Kean. SpareRadar is not affiliated with the dataset's authors.