What does the Mercedes p0128 coolant code mean?
This means that the engine’s PCM detected that the engine has not reached the required temperature level within a specified amount of time after starting the engine. The intent of the P0128 Mercedes code is to indicate a faulty thermostat.
How long can you drive with a p0128 code?
Find out How long can you drive with a p0128 code. The P0128 Mercedes code is an error code which is used to define a Coolant Thermostat. When you get P0128 code on your Mercedes Benz there are a couple of reasons why the code came up.
What is the fault code for Mercedes Bank 2 sensor?
P0153 O2 Sensor Circuit Slow Response (Bank 2 Sensor 1) P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) P0155 O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1) P0156 O2 Sensor Circuit Malfunction (Bank 2 Sensor 2)
What is the fault code for a Mercedes heater?
P0135 O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1) P0136 O2 Sensor Circuit Malfunction (Bank 1 Sensor 2) P0137 O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2)
What does the code p0128 mean on a Mercedes-Benz engine?
If the Powertrain Control Module (PCM) detects the calibrated amount of air flow and engine run time have been met, and the Engine Coolant Temperature (ECT) has not met the minimum thermostat regulating temperature, the code P0128 Mercedes-Benz will set. An Engine Coolant Temperature (ECT) sensor monitors the temperature of the coolant.
What happens when coolant temperature is below p0128?
If the Powertrain Control Module (PCM) detects the calibrated amount of air flow and engine run time have been met, and the Engine Coolant Temperature (ECT) has not met the minimum thermostat regulating temperature, the code P0128 Mercedes-Benz will set. Symptoms.
What is the fault code on a Mercedes Benz?
In this case, the Check Engine Light may come on. You can verify this by reading the ECU fault codes. In most cases you will get a P0128 – Coolant temperature below thermostat regulating temperature fault code. Any of these Best Selling OBD II code readers will be able to scan your Mercedes-Benz.
What’s the OBD code for a Mercedes Benz?
What about the obd code? If the Powertrain Control Module (PCM) detects the calibrated amount of air flow and engine run time have been met, and the Engine Coolant Temperature (ECT) has not met the minimum thermostat regulating temperature, the code P0128 Mercedes-Benz will set.