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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 916 ((Radio Frequency (RF Hub) Module - Electrical Diagnostics - 2500 Hd & 3500 Hd)) >> Diagnosis And Testing >> C1504-31-Tire Pressure Sensor 4 - No Signal >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2015 RAM 3500 HD and 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR AN ACTIVE DTC 
    NOTE:

    Before beginning diagnostic procedure, verify that the tire pressures are correct.

    1. Turn the ignition on.
    2. With the scan tool, read and record RF-Hub Module DTCs.
    3. Test drive the vehicle at a speed greater than 32 km/h (20 mph) up to 20 minutes in order to receive TPM Sensor data and allow for the system to update.
    4. With the scan tool, read RF Hub DTCs.

      Is the DTC active?

      Yes 

      • Go To  2

      No 

      • Go To  7
  2. USE THE TPM-RKE ANALYZER CH9936 

    Is there a TPM-RKE Analyzer CH9936 available?

    Yes 

    • Go To  3

    No 

    • Go To  6
  3. CHECK THE TIRE PRESSURE MONITORING (TPM) SENSOR 
    NOTE:

    This fault can be set if the incorrect or no TPM Sensor is installed on the vehicle.

    1. Perform a visual inspection to verify that all road wheels are equipped with a TPM Sensor.
    2. With the TPM-RKE Analyzer (special tool #CH9936, Analyzer, TPM/RKE) verify the correct TPM Sensor is on the vehicle.

      Is the correct TPM Sensor installed on the vehicle?

      Yes 

      • Go To  4

      No 

  4. CHECK THE TIRE PRESSURE MONITORING (TPM) SENSOR WITH THE TPM-RKE ANALYZER 
    NOTE:

    The following procedure is used to locate the TPM Sensor that is setting the internal fault. If the tires have been rotated, the TPM Sensor is no longer in sequence from the factory. Faults are linked to the TPM Sensor IDs. You MUST locate the TPM Sensor that set the fault before continuing. Use the following method below at every tire location.

    NOTE:

    If the TPM Sensor IDs do not match, it may be necessary to move the vehicle to a location away from other TPM Sensors and repeat this step.

    NOTE:

    Always be certain to select the proper vehicle line and model year when using this tool, as the tool will automatically use the correct protocol to attempt to read the TPM Sensor. If the incorrect vehicle line and/or model year is selected, the TPM Sensor will not respond to the tool.

    1. Use a TPM-RKE Analyzer (special tool #CH9936, Analyzer, TPM/RKE) to scan each TPM Sensor for a response, and store in the proper location in the TPM-RKE Analyzer. If you receive a no response from any of the TPM Sensors, check to make sure that the TPM-RKE Analyzer is set correctly and repeat the process on each non-responsive wheel. If all sensors respond, continue this step.
    2. Replace any non-responsive TPM Sensors in accordance with the Service Information. Refer to SENSOR, TIRE PRESSURE MONITORING (TPM), REMOVAL . Perform the TPM SENSOR VERIFICATION TEST. Refer to STANDARD PROCEDURE .
    3. With the scan tool, select Data Display for the RF-Hub Module.
    4. Check to see if the Sensor IDs match what is programmed into the RF-Hub Module.

      Has the TPM Sensor been located?

      Yes 

      No 

      • Go To  5
  5. CHECK THE TIRE PRESSURE MONITORING (TPM) SENSOR FOR A MISMATCHED ID 
    NOTE:

    If the TPM Sensor IDs do not match, it may be necessary to move the vehicle to a location away from other TPM Sensors and repeat this step.

    1. Use a TPM-RKE Analyzer (special tool #CH9936, Analyzer, TPM/RKE) to verify the TPM Sensor IDs match what is programmed into the RF-Hub Module. The TPM Sensor Identifications are located under "Data Display" for the RF-Hub Module.

      Do the TPM Sensor IDs match what is stored in the RF-Hub Module?

      Yes 

      No 

      • The condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension and repair as necessary. If no problems are found, test complete.
      • Perform the TPM SENSOR VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  6. LOCATE THE TIRE PRESSURE MONITORING (TPM) SENSOR 
    NOTE:

    Some vehicles will not receive the TPM Sensor data when the vehicle is stationary. The vehicle may need to be driven at speeds greater than 32 km/h (20 mph) for about five minutes in order to receive TPM Sensor data.

    1. Starting with the left front wheel, deflate the tire to 20 PSI, wait two minutes, and check the scan tool for changes to any compensated tire pressure values.
    2. Look for a tire location with a non-responsive TPM Sensor ID.
    3. Repeat this test on each wheel on the vehicle until the TPM Sensor in question has been identified.

      Has the TPM Sensor been located?

      Yes 

      No 

      • Repeat this test until the defective sensor has been located.
      • Perform the TPM SENSOR VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  7. CHECK THE TIRE PRESSURE MONITORING (TPM) SENSOR DTC 
    1. The conditions necessary to set this DTC are not present at this time.
    2. Perform any Technical Service Bulletins that may apply to this condition.
    3. With the scan tool, clear DTCs in the Radio Frequency Hub (RF-Hub) Module.
    4. Test drive the vehicle for a minimum of 20 minutes with vehicle speed greater than 32 km/h (20 mph).
    5. With the scan tool, read RF Hub DTCs in the Radio Frequency Hub (RF-Hub) Module.

      Does the DTC reset or is the status Active for this DTC?

      Yes 

      • Return to the beginning of this test and perform the diagnostic procedure as necessary.

      No 

      • The condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension and repair as necessary. If no problems are found, test complete.
      • Perform the TPM SENSOR VERIFICATION TEST. Refer to STANDARD PROCEDURE .
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