VIDEO

Informace

Cadillac

Cadillac P0128

See the basic definition of a diagnostic error. This will help you to clarify the main causes of the fault code. You will understand the program of the control unit
Basic DTC analysis according to OBD2 protocol standard.

OBD2 or On-Board Diagnostics displays messages for basic group styles. More comprehensible code composition has been standard since 2000. The DTC code consists of five characters and its composition will be shown in this video

Insight into programming

The basic unit for the operation of any computer is the bit. Logic 0 and 1 are expressed by a single bit. Diagnostics The error code is composed of 16 bits. The first two bits define one of the four basic circuits. The video will show you a comprehensive overview of the composition of the error report

A diagnostically understandable description of the Diagnostic Trouble Code

Cadillac P0128

Basic error definition

Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature

Cause of DTC

DTCs P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0121, P0122, P0123, P0502, P0503 are not set. The start-up IAT is warmer than -7°C (+19°F). The start-up ECT is colder than 70°C (158°F), when the IAT is above 10°C (50°F). OR The start-up ECT is colder than 50°C (122°F), when the IAT is below 10°C (50°F). The engine run time is greater than 2 minutes. The vehicle has traveled greater than 2.4 kilometers (1.5 miles) at greater than 8 km h (5 mph). The accumulated airflow is between 20-75 g s, with the minimum average airflow greater than 10 g s. The fuel ethanol percentage is less than 87 percent. This DTC runs once per ignition cycle when the above conditions are met.