Scania fault code 826
Code 826 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:
BMU Battery Management Unit
Coolant temperature sensor T179, open or short circuit
The BMU control unit indicates that coolant temperature sensor T179 in the propulsion battery cooling system has an open circuit or short circuit to the voltage supply.
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COO Coordinator
Switch module
The control unit interprets the switch module to be incorrectly configured. The chassis serial number in the control unit and switch module differ.
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CMS
Battery master switch, short circuit to voltage supply circuit or open circuit
The control signal has been 100% for 1,000 ms. The fault code becomes inactive when the control signal is less than 100% for 500 ms.
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