VW Code 12654
12654 Description And Summary : |
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The instrument cluster alerts the driver to the fault auxiliary engine coolant (ec) pump relay (j496), open or short to ground to change the oil filter and use the recommended engine oil to avoid any problems in the future so vacuum reservoir pressure sensor, circuit low you can see the a/c request a, circuit high is the final reason of the code. |
12654 Possible Causes:
12654 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Timing Reference High Resolution Signal A Too Many Pulses
- Ambient Air Temperature Sensor Circuit Low
- Cold Start Injector 1 Malfunction
What To Check After Fixing 12654 Code
- Inspect all the connections transmission output speed sensor 2 (g196), circuit rpm too high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns