Flash: Service Tire Pressure System Message
This bulletin involves updating the Tire Pressure Module (TPM) software and performing a
Misc-function routine.
The customer may notice a message ?Service Tire Pressure System? displayed on the
cluster. On further inspection the technician may find the following Diagnostic Trouble
Codes (DTCs):
? C151D - Tire Pressure Sensor Location Undetermined.
? C1581 - Front/Rear Side Tire Pressure Sensor Location Undetermined.
