Chrysler Voyager OBD-II Diagnostic Guide
Comprehensive diagnostic trouble code telemetry, sensor voltage thresholds, and step-by-step repair manuals for Chrysler Voyager models equipped with 3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic).
Chrysler Voyager Problem & Reliability Intelligence by Year
Top Check Engine Trouble Codes for Chrysler Voyager
P0300 on Chrysler Voyager: Diagnosis & Fix
Troubleshooting procedure for P0300: P0300: Random or Multiple Cylinder Misfire Detected specifically affecting Chrysler Voyager (3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic)).
P0420 on Chrysler Voyager: Diagnosis & Fix
Troubleshooting procedure for P0420: P0420: Catalyst System Efficiency Below Threshold (Bank 1) specifically affecting Chrysler Voyager (3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic)).
P0171 on Chrysler Voyager: Diagnosis & Fix
Troubleshooting procedure for P0171: P0171: System Too Lean (Bank 1) specifically affecting Chrysler Voyager (3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic)).
P0128 on Chrysler Voyager: Diagnosis & Fix
Troubleshooting procedure for P0128: P0128: Coolant Temperature Below Thermostat Regulating Temperature specifically affecting Chrysler Voyager (3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic)).
P0520 on Chrysler Voyager: Diagnosis & Fix
Troubleshooting procedure for P0520: P0520: Engine Oil Pressure Sensor/Switch Circuit Malfunction specifically affecting Chrysler Voyager (3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic)).
All OBD-II Codes for Chrysler Voyager
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 Chrysler Voyager?
On the Chrysler Voyager (2020–2026), the standard 16-pin DLC port is located: Driver lower kick panel near hood release 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 Chrysler Voyager?
The most frequently logged trouble codes on the Chrysler Voyager (3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic)) include P0300, P0420, P0171, P0128.
How does an onboard diagnostic scan communicate with the Chrysler Voyager?
Connecting an OBD-II scanner to the Chrysler Voyager's 16-pin DLC port establishes a high-speed CAN link (ISO 15765-4) with the ECM/PCM. It interrogates SAE J1979 Modes $01 through $0A for active DTCs, freeze-frame sensor telemetry, and oxygen sensor readiness monitors.

