The appearance of ‘transmission service light’ on the dash of your Volvo S80 could mean a lot of things. If left unchecked, you may experience a catastrophic transmission failure. Therefore, you should be quick to figure out the reason why your Volvo S80’s transmission service light is on and fix it.

1. What Causes
Transmission
Service Light To
Come On In Your
Volvo S80?

2. There are a variety of
reasons why
‘transmission service
light’ can appear on the
dash of your Volvo S80.

3. We will discuss those
problems in detail, but
first let me help you to
understand the meaning
of this light.

4. What does
‘transmission service
light’ mean?

5. It simply means your
Volvo S80 needs
transmission service.

6. The engine management
system uses this light to
warn you about
malfunctions in the
engine.

7. What causes
transmission service
light to come on?

8. Low Transmission
Fluid

9. The transmission fluid
essentially lubricates
moving gears.

10. It also maintains optimal
hydraulic pressure within
the system.

11. Running low on this fluid
can interfere in your
Volvo S80’s transmission
operation.

12. As that happens the
transmission service light
will come on to warn
you.

13. Overheating

14. Listed below are a few reasons why
the transmission of your Volvo can
overheat:-
Hot weather
Driving in stop and go traffic
Towing heavy load
Low fluid

15. When your Volvo S80’s
onboard computer finds
out about overheating, it
would turn on the
transmission service light
immediately.

16. Faulty Torque
Converter

17. The torque converter
essentially connects the
engine to the load.

18. Technical flaws in such a
vital part can interfere in
your Volvo S80’s
transmission operation.

19. When the onboard
computer finds out about
this problem, it would
turn on the transmission
service light.

20. Flawed Sensors And
Controller

21. The transmission control
unit or TCU regulates
every aspect of the
transmission operation.

22. To do so, it relies on an
array of sensors.

23. Technical flaws in the
TCU or concerned
sensors can trigger
transmission service light
on the dash of your Volvo
S80.

24. Sum Up

25. The illumination of
transmission service
light in your Volvo S80
signals serious
transmission trouble.

26. You have to be quick to
figure out the reason
behind it.

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