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The TCU (Transmission Control Unit) controls the AutoPowr/IVT
transmission.
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Light
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Diagnostic trouble code
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Brief description
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Description
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yellow
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TCU
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000126.00
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Transmission
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Transmission oil filter blocked. Change filter.
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red
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TCU
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000127.01
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Transmission
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Transmission oil pressure too low. Check oil level and filter.
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yellow
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TCU
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000161.00
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Transmission
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Engine speed too high. Reduce ground speed.
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red
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TCU
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000177.00
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Transmission
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Transmission oil temperature too high. Check oil level and filter.
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yellow
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TCU
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000191.00
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Transmission
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Tractor speed too high. Reduce ground speed.
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If other diagnostic trouble codes appear, one of the tractor's
sub-assemblies is either not working properly or not working at all.
Make a note of the code and contact your dealer.
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