B1720
Read the instructions below then start the fault diagnostic procedure.
Symptom: The fuel gauge shows tank empty The indicator lamp for low fuel level is on. Some of the trip computer's functions are affected.
B1720 |
Fault symptoms
The fuel gauge shows tank emptyThe indicator lamp for low fuel level is on.
Some of the trip computer's functions are affected.
Condition
Break/short circuit in the fuel gauge sensor circuit.Diagnostic help
The diagnostic tool can be used to obtain the following fuel level information:• |
Fuel level sensor (shows fuel remaining in the tank through measuring voltage V across the fuel gauge sensor).
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Fuel level (shows remaining fuel in the tank, unit litres).
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Fuel level, filtered (shows remaining fuel in the tank, main instrument unit's internal filtered value).
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The fuel gauge can also be activated with the diagnostic tool.