Dodge Charger OBD-II Diagnostic Guide
Comprehensive diagnostic trouble code telemetry, sensor voltage thresholds, and step-by-step repair manuals for Dodge Charger models equipped with 5.7L / 6.4L 392 HEMI / 6.2L Hellcat (717HP–797HP) / Hurricane 3.0L Turbo.
Top Check Engine Trouble Codes for Dodge Charger
P0300 on Dodge Charger: Diagnosis & Fix
Troubleshooting procedure for P0300: P0300: Random or Multiple Cylinder Misfire Detected specifically affecting Dodge Charger (5.7L / 6.4L 392 HEMI / 6.2L Hellcat (717HP–797HP) / Hurricane 3.0L Turbo).
P0420 on Dodge Charger: Diagnosis & Fix
Troubleshooting procedure for P0420: P0420: Catalyst System Efficiency Below Threshold (Bank 1) specifically affecting Dodge Charger (5.7L / 6.4L 392 HEMI / 6.2L Hellcat (717HP–797HP) / Hurricane 3.0L Turbo).
P0171 on Dodge Charger: Diagnosis & Fix
Troubleshooting procedure for P0171: P0171: System Too Lean (Bank 1) specifically affecting Dodge Charger (5.7L / 6.4L 392 HEMI / 6.2L Hellcat (717HP–797HP) / Hurricane 3.0L Turbo).
P0520 on Dodge Charger: Diagnosis & Fix
Troubleshooting procedure for P0520: P0520: Engine Oil Pressure Sensor/Switch Circuit Malfunction specifically affecting Dodge Charger (5.7L / 6.4L 392 HEMI / 6.2L Hellcat (717HP–797HP) / Hurricane 3.0L Turbo).
All OBD-II Codes for Dodge Charger
P0300: Random or Multiple Cylinder Misfire Detected
P0420: Catalyst System Efficiency Below Threshold (Bank 1)
P0171: System Too Lean (Bank 1)
P0128: Coolant Temperature Below Thermostat Regulating Temperature
P0455: Evaporative Emission Control System Leak Detected (Gross Leak)
Mass Air Flow (MAF) Sensor Circuit Range/Performance
O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)
System Too Rich (Bank 1) - Symptoms, Causes & Step-by-Step Fix
EVAP System Small Leak Detected - Diagnosis & Repair Guide
Idle Control System RPM Higher Than Expected - Diagnosis
P0010: Camshaft Position Actuator Circuit / Open (Bank 1)
P0011: Camshaft Position - Timing Over-Advanced or System Performance (Bank 1)
P0012: Camshaft Position - Timing Over-Retarded (Bank 1)
P0013: Exhaust Camshaft Position Actuator Circuit / Open (Bank 1)
P0014: Exhaust Camshaft Position Timing Over-Advanced (Bank 1)
P0016: Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A)
P0017: Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor B)
P0100: Mass or Volume Air Flow Circuit Malfunction
Frequently Asked Questions
Where is the OBD-II diagnostic port located on the Dodge Charger?
On the Dodge Charger (2020–2026), the standard 16-pin DLC port is located: Driver lower dash assembly next to hood lever. It supports SAE J1979 / ISO 15765-4 CAN protocols for all handheld OBD-II code readers.
What are the most common Check Engine fault codes on the Dodge Charger?
The most frequently logged trouble codes on the Dodge Charger (5.7L / 6.4L 392 HEMI / 6.2L Hellcat (717HP–797HP) / Hurricane 3.0L Turbo) include P0300, P0420, P0171, P0520.
How much does an OBD-II diagnostic scan cost for a Dodge Charger?
Most auto parts retailers (AutoZone, O'Reilly, Advance Auto) offer basic code reading free of charge. Dealership diagnostic scan fees average $120 to $180 based on Dodge's standard $120/hr labor rate.
