Archives: DTC Codes

What Does Code P1363 Mean? DTC P1363 indicates an Ignition Coil “D” Secondary Circuit Malfunction. This code signifies that the Engine Control Module (ECM), also known as the Powertrain Control Module (PCM), has detected an irregularity within the high-voltage side of the ignition coil responsible for cylinder “D”. In most modern vehicles, “D” typically refers […]

What Does Code P1364 Mean? DTC P1364 signifies a detected malfunction within the primary circuit of a specific ignition coil. The Engine Control Module (ECM), also known as the Powertrain Control Module (PCM), constantly monitors the electrical signals and current flow within the low-voltage primary circuit of each ignition coil. When the ECM detects an […]

What Does Code P1365 Mean? Diagnostic Trouble Code (DTC) P1365 signifies an detected anomaly within the secondary circuit of an ignition coil, specifically indicating a “Secondary Circuit Failure” for a particular ignition coil. The Engine Control Module (ECM), also referred to as the Powertrain Control Module (PCM), monitors the electrical characteristics of the ignition system […]

What Does Code P1366 Mean? DTC P1366, often described as “Ignition Spare” or “Ignition System Malfunction – Primary/Secondary Circuit,” is a manufacturer-specific diagnostic trouble code indicating an anomaly within the primary ignition control circuit, or a general fault detected in the ignition system that does not directly correspond to a specific cylinder misfire (P030x codes). […]

What Does Code P1367 Mean? The diagnostic trouble code P1367 is a manufacturer-specific code, predominantly encountered in Honda vehicles. It signifies a malfunction within the Top Dead Center (TDC) Sensor No. 2 Circuit. The TDC sensor is a critical component of the engine’s ignition and fuel injection management system. Its primary function is to monitor […]

What Does Code P1368 Mean? The OBD-II Diagnostic Trouble Code (DTC) P1368 typically indicates an issue within the Ignition Coil Primary Circuit for a specific cylinder or a general ignition system monitoring circuit, depending on the vehicle manufacturer. While the generic description “Ignition Spare” might suggest a redundant system, in most manufacturer-specific implementations, P1368 points […]

What Does Code P1369 Mean? DTC P1369 typically signifies that the Powertrain Control Module (PCM) or Engine Control Module (ECM) has detected an anomaly in the monitoring circuit for the Engine Coolant Temperature (ECT) warning lamp, often referred to as the engine temperature light or overheat indicator, located within the instrument cluster. Rather than indicating […]

What Does Code P1370 Mean? DTC P1370, which stands for Insufficient RPM Increase During Spark Test, is a manufacturer-specific code predominantly found in General Motors (GM) vehicles. This code indicates that the Engine Control Module (ECM) or Powertrain Control Module (PCM) has failed to successfully complete the Crankshaft Position (CKP) System Variation Learn Procedure. This […]

What Does Code P1371 Mean? DTC P1371 signifies an “Ignition Coil – Cylinder 1 – Early Activation Fault.” This code is set by the Engine Control Module (ECM), also known as the Powertrain Control Module (PCM), when it detects that the ignition coil for cylinder #1 is being activated or discharging prematurely. In a properly […]

What Does Code P1372 Mean? DTC P1372 indicates an “Ignition Coil – Cylinder 2 – Early Activation Fault.” This means the Engine Control Module (ECM), also known as the Powertrain Control Module (PCM), has detected that the primary circuit of the ignition coil for cylinder #2 was activated earlier than commanded or expected within the […]