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.

INLET TEMPERATURE/PRESSURE SENSOR
1. Turn the ignition on.
2. Wait five seconds after ignition is turned on, using the scan tool, check DTCs.
  Is P2227 Active or Stored?
  
  Active
  - Replace the Inlet Air Temperature/Pressure Sensor.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  Stored
  - Go To 2
INTERMITTENT CONDITION
1. Erase the DTC with the scan tool.
2. Start the engine and let it idle for 1 minute. With the scan tool in sensors, monitor the Inlet Air Pressure Sensor reading.
  Does the value change, indicating the sensor is not stuck?
  
  Yes
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
  No
  - Replace the Inlet Air Temperature/Pressure Sensor in accordance with the service information.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .