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Diagnostic Test

WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. DTC STATUS IS ACTIVE 
    NOTE: Seasonal temperature changes will affect tire pressure, and may have caused the tire pressure to fall below the low pressure warning threshold. Tire pressure should always be set based on cold inflation tire pressure (placard). This is defined as the tire pressure after a vehicle has not been driven for more then three hours, and in outside ambient temperatures.
    1. Ignition on, engine not running.
    2. With the scan tool, record and erase DTCs.
    3. Test drive the vehicle at a speed greater than 24 km/h (15 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 DTCs.

      Is the DTC status Active at this time?

      Yes 

      • Go to step  2

      No 

      • Go to step  13
  2. TPM-RKE ANALYZER 

    Is their a TPM-RKE Analyzer CH9936 available?

    Yes 

    • Go to step  3

    No 

    • Go to step  10
  3. TIRE PRESSURE MONITORING (TPM) SENSOR INTERNAL DTC 
    NOTE:

    This fault can be set if incorrect or no TPM sensor are installed on the vehicle. If the Spare Tire is currently installed on the vehicle, and it is not equipped with a Tire Pressure Monitoring (TPM) Sensor, this DTC can be set. Replace the spare with a TPM equipped wheel and tire assembly. Tests drive the vehicle. If the DTCs reset continue with the diagnostic procedure.

    1. Perform a visual inspection to verify that all road wheels are equipped with sensors.
    2. With the TPM-RKE Analyzer CH9936 verify the correct TPM sensors are on the vehicle.

      Are the correct TPM sensors installed on the vehicle?

      Yes 

      • Go to step  4

      No 

  4. TIRE PRESSURE MONITORING (TPM) SENSOR INTERNAL FAULT SET USING 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 CH9936 to scan each tire pressure sensor for a response, and store in the proper location in the TPM-RKE Analyzer. If you receive no response from any of the tire pressure sensors, check to make sure that the TPM-RKE Analyzer is set correctly, and repeat the process on each non-responsive wheel

      Has the faulty Tire Pressure Monitoring (TPM) Sensor been located?

      Yes 

      No 

      • Go to step  5
  5. TIRE PRESSURE MONITORING (TPM) SENSOR INTERNAL FAULT - MISMATCHED ID 
    NOTE: If the 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 CH9936 to verify the Sensor IDs match what is programmed into the WIN. The Sensor Identifications are located under "Data Display" for the WIN.

      Do the sensor IDs match what is stored in the WIN?

      Yes 

      • Go to step  8

      No 

      • Go to step  6
  6. TIRE PRESSURE MONITORING (TPM) SENSOR INTERNAL FAULT 
    1. Using the data taken by the TPM-RKE Analyzer CH9936, program the current sensor ID's into the WIN module in the corresponding locations.
    2. With the scan tool, erase the DTCs.
    3. Drive the vehicle for a minimum of 20 minutes with the vehicle speed greater than 24 km/h (15 mph) to verify that the DTC does not return in an active state.
    4. With the scan tool, read the active DTCs.

      Does the scan tool display: C1502-TIRE PRESSURE SENSOR 2 INTERNAL

      Yes 

      No 

      • Go to step  7
  7. TIRE PRESSURE MONITORING (TPM) SENSOR INTERNAL FAULT - MISMATCHED ID 
    1. With the TPM-RKE Analyzer, read the sensor IDs.

      Do the sensor ID's match the ID's just learned in the previous step?

      Yes 

      • Go to step  8

      No 

  8. TIRE PRESSURE MONITORING (TPM) SENSOR INTERNAL FAULT - REMOTE START ANTENNA 
    1. If the vehicle is equipped with factory installed remote start feature, check to make sure the antenna connector is properly connected to the WIN.

      Is the Remote Start Antenna properly connected to the WIN?

      Yes 

      • Go to step  9

      No 

  9. TIRE PRESSURE MONITORING (TPM) SENSOR INTERNAL FAULT - INTERFERENCE FROM EXTERNAL COMPONENTS 
    NOTE: The DTC can be caused by many different factors and might not be a sensor/transmitter or a WIN fault. Interference from other elements will over power the sensor/transmitter RF frequency making erratic operation to the TPM system. Check the vehicle for aftermarket accessories that could compromise the RF frequency signal before diagnosing the TPM system.
    NOTE: A system fault can occur by many scenarios, including the following:
    • Signal interference due to electronic devices or driving next to facilities emitting the same Radio Frequencies as the TPM sensors.
    • Installing aftermarket window tinting that affects radio wave signals.
    • Accumulation of snow or ice around the wheels or wheel housings.
    • Using tire chains on the vehicle.
    • Using wheels/tires not equipped with TPM sensors.
    1. Attempt to isolate the external component responsible for the RF interference.

      Has interfering external component been isolated?

      Yes 

      No 

  10. TIRE PRESSURE MONITORING (TPM) SENSOR INTERNAL FAULT SET 
    NOTE: Some vehicles will not receive TPM Sensor data when the vehicle is stationary. The vehicle may need to be driven at speeds greater than 24 km/h (15 mph) for about a minute 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 whose sensor ID that is not responding.
    3. Repeat this test on each wheel on the vehicle until the sensor in question has been identified.

      Has the faulty Tire Pressure Monitoring (TPM) Sensor been located?

      Yes 

      No 

      • Go to step  11
  11. TIRE PRESSURE MONITORING (TPM) SENSOR INTERNAL FAULT - REMOTE START ANTENNA 
    1. If the vehicle is equipped with factory installed remote start feature, check to make sure the antenna connector is properly connected to the WIN.

      Is the Remote Start Antenna properly connected to the WIN?

      Yes 

      • Go to step  12

      No 

  12. TIRE PRESSURE MONITORING (TPM) SENSOR INTERNAL FAULT - INTERFERENCE FROM EXTERNAL COMPONENTS 
    NOTE: The DTC can be caused by many different factors and might not be a sensor/transmitter or a WIN fault. Interference from other elements will over power the sensor/transmitter RF frequency making erratic operation to the TPM system. Check the vehicle for aftermarket accessories that could compromise the RF frequency signal before diagnosing the TPM system.
    NOTE: A system fault can occur by many scenarios, including the following:
    • Signal interference due to electronic devices or driving next to facilities emitting the same Radio Frequencies as the TPM sensors.
    • Installing aftermarket window tinting that affects radio wave signals.
    • Accumulation of snow or ice around the wheels or wheel housings.
    • Using tire chains on the vehicle.
    • Using wheels/tires not equipped with TPM sensors.
    1. Attempt to isolate the external component responsible for the RF interference.

      Has interfering external component been isolated?

      Yes 

      No 

  13. INTERMITTENT 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 (TSB)s that may apply to this condition.
    3. With the scan tool, erase DTCs.
    4. Test drive the vehicle for a minimum of 20 minutes with vehicle speed greater than 24 km/h (15 mph).
    5. With the scan tool, read DTCs.

      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 

      • Test complete.
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