A message on my dash came on say serv TPM...any idea what this is?

I only understand English, sorry. If you could Re post in english I would be glad to try and answer.

Not giving any codes. ????? What type code reader did you use ? Is it able to read ABS codes ? Check codes in the BCM - body control modules , instrument cluster , all the modules on the vehicle . You put a 15 amp fuse in where a 10 amp goes ? Good way to set your vehicle wiring on fire. Fuse blows , has a short to ground .Sounds like you have some major electrical issues . Do you know what a electrical wiring diagram is an how to use it to pin point testing areas in a electrical circuit . What a DVOM - digital volt ohmmeter is an how to use it ? The Tire Pressure Monitor (TPM) system alerts the driver when a large change in tire pressure exists while the vehicle is being driven. The TPM system uses the Electronic Brake Control Module (EBCM), Antilock Brake System (ABS) wheel speed sensor inputs, class 2 serial data circuit, Systems monitor, or the Driver Information Center (DIC) (if equipped) to perform the system functions. The EBCM contains software to calculate relative tire pressure differences. The software requires approximately 30 minutes of straight line driving in three different speed ranges to complete the calibration process to have full capability for detecting a tire pressure condition.
Your best bet , take your vehicle to a qualified repair shop that has the proper diagnostic skills to find an fix the problem .

The body control system consists of the following 3 modules:
• The dash integration module (DIM)
• The instrument panel integration module (IPM)
• The rear integration module (RIM)
Each of the 3 body control modules integrate a number of functional systems under the control of a single module. Each of the modules are connected to the Class 2 serial data line; many control signals are implemented by Class 2 messages.

I found this on another site, it may help to understand what is happening, I also saw that there is a problem with the valve stems cracking since they're made out of aluminum and causing that problem. Here's the explanation provided on another site:

RodneyJ Answered 6 years ago
If a customer with a 2005 or later DaimlerChrysler vehicle equipped with Tire Pressure Monitoring (TPM) is concerned that the TPM lamp is on continuously, please be sure to inform the customer that the system is in place to warn of a low tire pressure situation, and a system diagnosis may not be required. The customer should be aware of the following: The Tire Pressure Monitoring (TPM) System will warn the driver of a low tire pressure based on the vehicle recommended cold placard pressure (the placard is located on the drivers side B-pillar).
The tire pressure will vary with temperature by about 6.9 kPa (1 psi) for every 6.5 Degrees C (12 Degrees F). This means that when the outside temperature decreases, the tire pressure will decrease - the customer should adjust his tire pressure for this decrease in pressure - please refer the customer to his vehicle owner's manual for information on how to properly inflate his vehicle's tires. The tire pressure will also increase as the vehicle is driven - this is normal and there should be no adjustment for this increased pressure.
The TPM System will warn the driver of a low tire pressure if the tire pressure falls below the low pressure warning threshold for any reason, including low temperature effects.
The TPM System will continue to warn the driver of low tire pressure as long as the condition exists, and will not turn off until the tire pressure is at or above recommended cold placard pressure. Once the low tire pressure warning has been illuminated, the tire pressure must be increased to the recommended cold placard pressure in order for the TPM warning lamp to be turned off. The system will automatically update and the TPM warning lamp will extinguish once the updated tire pressures have been received. The vehicle may need to be driven for up to 10 minutes above 25 kph (15 mph) to receive this information.


FOR EXAMPLE:

A 2006 300 has a recommended cold (parked for more than 3 hours) placard of 207 kPa (30 psi).

If the ambient temperature is 18 Degrees C (65 Degrees F) and the measured tire pressure is 186 kPa (27 psi) the TPM lamp will be OFF.

IF NOTHING IS DONE TO THE AIR PRESSURE IN THE TIRES and the ambient temperature drops to 20 Degrees F (-7 Degrees C) while the vehicle is parked, the approximate tire pressure will be 157 kPa (23 psi) and the TPM lamp will be ON.

IF THE VEHICLE IS DRIVEN TO REACH NORMAL OPERATING TEMPERATURE

WITHOUT ADJUSTING THE AIR PRESSURE and the ambient temperature stays at -7 Degrees C (20 Degrees F), the approximate tire pressure will rise to 186 kPa (27 psi) and the 1PM lamp will be ON.

To turn the TPM lamp OFF the tires must be inflated to the vehicle recommended cold placard pressure.

In order to properly maintain vehicle tire pressure, please refer to the owner's manual for additional information regarding tire inflation.

NOTE :Tire pressure should always be set based on cold inflation tire pressure (defined as the tire pressure after a vehicle has not been driven for more than 3 hours - and in outside ambient temperature).

Seasonal temperature changes will affect tire pressure, and the TPM system will monitor the actual tire pressure in the tire.
If a diagnosis of the system is required (for example, the lamp did not extinguish, or the lamp is flashing), please refer to service information available in TechCONNECT for additional information for TPM diagnosis. Please be aware that if the Wireless Control Module (WCM) is replaced, the TPM placard values may need to be reprogrammed. The TPM placard values do NOT need to be updated if the WCM has NOT been replaced, the TPM placard values are properly set at the factory.

That Must be a Sensor on The Disc Brake Pads Are They Not Worn Out If Not Its Touching Earth Somewhere , It Should Be a Single Wire With A Bullet Connector At The Brake Caliper

TPM THAT MEANS TEMPOMAT CRUISE CONTROL.CHECK TO SEE IF BRAKE LIGHTS WORK.IF NO CHECK BRAKE LIGHT SWITCH FUSE. IF FUSE OKAY BRAKE LIGHT SWITCH FAULTY OR YOU HAVE OPEN WIRE FROM BRAKE SWITCH TO FUSE BOX.SEE YOUR BRAKE SWITCH DEACTIVATES THE CRUISE CONTROL SYSTEM.PROBLEMS WITH BRAKE PEDAL POSITION SWITCH WILL SET OFF CRUISE CONTROL WARNING LIGHT.IF BRAKE SWITCH OKAY.THE DEALERSHIP HAS TO DIAGNOSIS AND FIX PROBLEM.

Service Tire Pressure Monitor, either you have low tires or your "tire pressure monitors" are failing

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You cant 'reset it" it has to be repaired. if all tires are aired up to specifications, then a shop will have to diagnose and recommend repairs.

Being a V8 you obviously have one cat converter to serve per cylinder bank, you also have one 02 sensor and one pyrometer per cat converter, that slow down signal could have several meanings, either you have a faulty pyrometer or 02 sensor, a damaged cat conveter or even a fouled spark plug, best thing to do is have it put on a scanner and see what fault code comes up.

Hello, SERV-TPM means Service Tire Pressure System. There could be several items to bring up this message. It could be a bad sensor in one of the wheels. It could also be the sensors require programming. The best way to find out is to have the system checked for codes. Before you do any of the above. check the placard on the drivers door for the correct pressure then check each tire with a gage. Thank you