Archives: DTC Codes

What Does Code P0572 Mean? DTC P0572, which translates to “Cruise Control/Brake Switch A Circuit Low,” indicates that the Powertrain Control Module (PCM), or in some cases the Engine Control Module (ECM) in conjunction with other modules, has detected an anomalous voltage condition on the dedicated ‘A’ circuit of the Brake Pedal Position Sensor/Switch (BPPS). […]

What Does Code P0573 Mean? DTC P0573 indicates a “Cruise Control/Brake Switch A Circuit High” condition, as detected by the Powertrain Control Module (PCM) or Engine Control Module (ECM). This code signifies that the PCM has received a voltage signal from the primary brake pedal position switch (often designated as ‘Switch A’ in diagnostic logic) […]

What Does Code P0574 Mean? DTC P0574 signifies a general malfunction within the vehicle’s cruise control system. The Engine Control Module (ECM) or Powertrain Control Module (PCM) sets this code when it detects an illogical condition or a failure to achieve or maintain the commanded cruise control operation. Unlike more specific codes that point to […]

What Does Code P0575 Mean? The OBD-II diagnostic trouble code P0575 signifies a general malfunction within the cruise control system’s input circuit. This code indicates that the Powertrain Control Module (PCM), or Engine Control Module (ECM) in some applications, has detected an electrical anomaly, an implausible signal, or an unspecified fault within the various input […]

What Does Code P0576 Mean? DTC P0576 indicates a generic powertrain malfunction related to the vehicle’s cruise control system. The Powertrain Control Module (PCM), or Engine Control Module (ECM) in some vehicles, detects this code when it registers an implausible signal, an electrical circuit malfunction, or a logical inconsistency within the cruise control system’s various […]

What Does Code P0578 Mean? The OBD-II diagnostic trouble code P0578 signifies a “Cruise Control Related Malfunction” within the vehicle’s Powertrain Control Module (PCM) or Engine Control Module (ECM) monitoring system. This code is typically set when the PCM detects an electrical signal anomaly in the cruise control system’s input circuit that does not correspond […]

What Does Code P0579 Mean? DTC P0579 signifies a “Cruise Control Multi-Function Input ‘A’ Circuit Range/Performance” malfunction. This code is set by the Powertrain Control Module (PCM) or Engine Control Module (ECM) when it detects an electrical signal from the cruise control multi-function switch (often referred to simply as the cruise control switch) that is […]

What Does Code P0580 Mean? DTC P0580 indicates a malfunction within the cruise control multi-function input ‘A’ circuit, specifically signaling a low voltage condition or an open circuit. The Powertrain Control Module (PCM), often referred to as the Engine Control Module (ECM) on some vehicles, is responsible for monitoring the electrical integrity of various vehicle […]

What Does Code P0600 Mean? The OBD-II diagnostic trouble code P0600 signifies a Serial Communication Link Malfunction. This indicates a general problem with the vehicle’s internal communication network, often referred to as a Controller Area Network (CAN bus), but potentially encompassing other protocols like LIN bus, J1850 VPW/PWM, or SCI. The Engine Control Module (ECM) […]

What Does Code P0601 Mean? The diagnostic trouble code P0601, “Control Module Read Only Memory (ROM) Error,” signifies an internal malfunction within the vehicle’s Powertrain Control Module (PCM), also commonly referred to as the Engine Control Module (ECM) or Engine Control Unit (ECU). This code indicates that the PCM has detected an integrity issue or […]