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Check and or test fuel gauge sending unit and the gauge . Videos on youtube showing how to . Also i would have the vehicle checked for DTC's - diagnostic trouble codes . You may want to think about taking to a qualified repair shop .
The instrument panel cluster (IPC) displays the fuel level as determined by the engine control module (ECM). The IPC receives a serial data message from the BCM indicating the fuel level percent. The fuel gage defaults to empty if:
• The ECM detects a malfunction in the fuel level sensor circuit.
• The IPC detects a loss of serial data communications with the BCM.
• The BCM detects a loss of serial data communications with the ECM.
The fuel level sender changes resistance based on fuel level. The powertrain control module (PCM) monitors the signal circuit of the fuel level sender in order to determine fuel level. When the fuel tank is full, the sender resistance is low and the PCM senses a low signal voltage. When the fuel tank is empty, the sender resistance is high and the PCM senses a high signal voltage. The PCM uses the signal circuit of the fuel level sender in order to calculate the total remaining fuel percent in the tank. The PCM sends the fuel level percent via the class 2 serial data circuit to the instrument cluster in order to control the fuel gage. The fuel level information is also used for misfire and evaporative emission (EVAP) diagnostics.
DTC P0462 Fuel Level Sensor Circuit Low Voltage
DTC P0463 Fuel Level Sensor Circuit High Voltage
The problem is because Tassimo water tanks have a floating magnet in them which operates the water level switch inside the body. The magnet gets weak over time. Replacement tanks cost too much to be worth the cost. The simple answer is to stick a fridge magnet on the back of the unit (just above the power switch) using blue tack or similar (you can experiment to find the right position). Our unit has been working fine like this for a few years now. :-)
SOUND LIKE ENGINE COOLANT LEVEL LOW.CHECK COOLANT SURGE TANK.IF LOW MORE LIKELY RADIATOR COOLANT LEVEL LOW.ADD COOLANT TO COOLANT SURGE TANK UNTIL COOLANT LEVEL STAY AT FULL COLD MARK DONT OVERFILL OVERFLOW JUG.
After many months, I solved the problem of the red light staying on the Tassimo Coffee Maker. Use these easy steps.
1. Fill a 2 cup measuring cup with hot water.
2. Mix in descaler.
3. Pour in the empty water tank.
4. Put the yellow cleaning disk in the chamber and close chamber. Put the two cup measuring cup under the spout.
5. Push and hold the brew button for about 3 seconds (until the red and green light flash.
6. Now don't touch the machine. It will do it's thing for about 20 minutes. (Don't be impatient and start to push buttons, just leave it)
7. When it finishes it's cycle. The red light will turn off. Then clean the water tank and put fresh water and run clean water through the brewing cycle 4 times. Your machine is now ready for use.
If the high water level switch closes, the compressor and condensor fan motors shut off, and the water full indicator LED lights. The water must be drained manually. Since you have dumped the water the high water level switch must be stuck in the off position. Page 42 of this manual shows the high and low water switch cover plate removed and the floats. Check the floats to see if something is making it stick or it has a hole in it. This manual is from WP but I imagine all of them type ACs come from the same source. PORTABLE AC SERVICE MANUAL
Solution: Just refill the water tank with water (no descaling solution) all the way to the "Max Line". Then run the full descaling program again --takes approx. 20 minutes. After the program runs completely you will get the yellow "standby" light on and the red "descaling" light will be off.
Next time you descale, be sure and fill your water tank to the "Max Line" before running the descaling program. Hint:An incomplete cycle (not full tank) is what makes the red light stay on. In other words, it's staying red to tell you to run a full cycle (beginning with the water tank filled to the "Max Line"). Hope this tip is helpful!