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HOMESERVICE MANUALSDODGE AND RAM2009DURANGO 4WD V8-5.7L HYBRIDREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTCOOLING SYSTEMTESTING AND INSPECTIONON-BOARD DIAGNOSTICS (OBD)
2009 Dodge and Ram Durango 4WD V8-5.7L Hybrid

On-Board Diagnostics (OBD)

2009 Dodge and Ram Durango 4WD V8-5.7L HybridSECTION On-Board Diagnostics (OBD)





ON-BOARD DIAGNOSTICS (OBD)

COOLING SYSTEM RELATED DIAGNOSTICS

The Powertrain Control Module (PCM) has been programmed to monitor certain cooling system components:

- If the engine has remained cool for too long a period, such as with a stuck open thermostat, a Diagnostic Trouble Code (DTC) can be set.
- If the problem is sensed in a monitored circuit often enough to indicated an actual problem, a DTC is stored. The DTC will be stored in the PCM memory for eventual display to the technician.Testing and Inspection

ACCESSING DIAGNOSTIC TROUBLE CODES

To read DTCs and to obtain cooling system data.Testing and Inspection

ERASING TROUBLE CODES

After the problem has been repaired, use the scan tool to erase a DTC.Testing and Inspection.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.