Diagnostic Test
WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- OTHER DTCS
- Ignition on, engine not running.
- With the scan tool, read DTCs.
Are DTC P0112 or P0113 present?
Yes
- Repair those DTCs first.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 2
- CHECK THE CHARGE AIR COOLER AND SYSTEM FOR DIRT OR DEBRIS
- Remove the hoses at the Charge Air Cooler and Turbo outlet and inspect the system for signs of excessive oil, dirt or debris.
Does the Charge Air Cooling system show signs of excessive dirt or debris?
Yes
- Clean the Charge Air Cooling system in accordance with the service information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 3
- Remove the hoses at the Charge Air Cooler and Turbo outlet and inspect the system for signs of excessive oil, dirt or debris.
- COMPARE THE INTAKE AIR TEMPERATURE CIRCUIT
- After an eight hour cold soak, connect the scan tool and monitor intake air temperature, EGR orifice temperature, and engine coolant temperature.NOTE:
Make sure ambient air temperature is above -6.7°C (20°F) when performing this test.
NOTE:Make sure there is no external heat source, such as a block heater, operating during this test or within the eight hour cold soak.
Does the Intake Air Temperature circuit read differently from the other sensors?
Yes
- Replace the Temperature/Pressure MAP Sensor in accordance with the service information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
- After an eight hour cold soak, connect the scan tool and monitor intake air temperature, EGR orifice temperature, and engine coolant temperature.