The Most Common Diagnostic Trouble Codes | DTC Directory
10 Most Common Diagnostic Trouble Codes List Of Top 100 Diagnostic Trouble Codes P0001 – P0099 p0008 – Engine Position System Performance Bank 1 p0009 – The Engine Control Module (ECM) has found a difference between the bank 2 camshaft position and crankshaft position p0010 – Intake Camshaft Actuator Circuit Open/Short (Bank 1) p0011 – Intake […]
P0300 Code Explained: Causes, Symptoms & How To Fix It
What Does the OBD-ii Trouble code P0300 Mean? P0300 Random, Multiple Misfire Detected means that your car’s computer (PCM) detected that there is a misfire in random or multiple cylinders. Code P0300 is often related to bad spark plugs or spark plug wires but could be caused by a number of issues relating to ignition and […]
Jeep Grand Cherokee P0304 – Meaning, Causes, Symptoms, & Fixes
What Does Jeep Grand Cherokee Code P0304 Mean? Jeep Grand Cherokee P0304 definition: Cylinder 4 Misfire Detected Issue Severity: SEVERE – Stop driving immediately. Repair Urgency: Fix this code immediately (same-day if possible) to avoid serious engine damage and dangerous driving conditions. Diagnosis: A multiple misfire can be caused by anything from faulty spark plugs […]
P0420 Code Explained: Catalyst System Efficiency Below Threshold
What Does Code P0420 Mean? P0420 definition: Catalyst system efficiency below threshold (Bank 1) Issue Severity: MODERATE – Extended driving with this code can cause internal engine damage. Repair Urgency: Get this code fixed as soon as possible to avoid further damage to your emission system and possible engine damage. Diagnosis: The most common cause of P0420 is a bad […]
Honda Civic P0300 – Meaning, Causes, Symptoms, & Fixes
What Does Honda Civic Code P0300 Mean? Honda Civic P0300 definition: Random, Multiple Misfire Detected Issue Severity: SEVERE – Stop driving immediately Repair Urgency: Fix this code immediately (same-day if possible) to avoid ignition failure, catalytic converter damage, and dangerous conditions Diagnosis: A multiple misfire can be caused by anything from faulty spark plugs to […]
P0421 – Meaning, Causes, Symptoms, & Fixes
What Does Code P0421 Mean? P0421 definition: Bank 1 Catalytic Converter Efficiency is Below Threshold on Cold Start Issue Severity: MODERATE – Extended driving with this code may cause internal engine damage. Repair Urgency: Get this code fixed as soon as possible. Diagnosis: This trouble code may not have any effect on the driveability of […]
P0008 – Meaning, Causes, Symptoms, & Fixes
What Does Code P0008 Mean? P0008 definition: Engine Position System Performance Bank 1 Issue Severity: SEVERE – Extended driving with this code can cause internal engine damage. Repair Urgency: Fix this code immediately. Diagnosis: This trouble code can cause the vehicle to be hard to start and run rough. In some cases, the vehicle may not […]
P0345 – Meaning, Causes, Symptoms, & Fixes
What Does Code P0345 Mean? P0345 definition: Camshaft Position Sensor Circuit Malfunction Issue Severity: SEVERE – Extended driving with this code can cause internal engine damage. Repair Urgency: Fix this code immediately. Diagnosis: The vehicle may be difficult to start and the driver may also experience a lack of power when driving. It is possible […]
P0125 – Meaning, Causes, Symptoms, & Fixes
What Does Code P0125 Mean? P0125 definition: Insufficient coolant temperature for closed-loop fuel control. Issue Severity: LOW – Continued driving for a short period of time is okay. Repair Urgency: Get this fixed within the next month to prevent poor fuel economy and non-functional heat. Diagnosis: This trouble code can appear with no driveability concerns, […]
P0068 – Meaning, Causes, Symptoms, & Fixes
What Does Code P0068 Mean? P0068 definition: MAP/MAF – Throttle Position Correlation Issue Severity: SEVERE – Stop driving immediately Repair Urgency: Fix this code immediately (same day if possible) to avoid engine and catalytic converter damage. Diagnosis: This trouble code can cause some pretty severe driveability concerns and may make the vehicle undrivable. It can […]
