What does the Prado ABS fault code c120a mean?

[SanLola]

Prado ABS fault code c120a indicates that the ECU initial setup has not been completed. Here is a detailed introduction to automotive fault codes: 1. Meaning: It represents the monitored fault system: P for powertrain system; B for body system; C for chassis system; U for network or data communication transmission system fault code. 2. The first digit: It can be a generic code (applicable to all vehicle manufacturers) or a manufacturer-specific code. For example: 0 refers to a generic code, while 1 refers to a manufacturer-specific code. General Motors in the United States has specific numeric type codes to assist in diagnosing vehicle technical conditions. 3. The second digit: It indicates the type of affected fault system, with digits ranging from 1-7: 1 for fuel and air metering system; 2 for fuel and air metering system (specifically referring to poor injection system circuit function); 3 for ignition system or misfire monitoring system; 4 for auxiliary emission system; 5 for speed control and idle control system; 6 for computer output line system; 7 for transmission.