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The EPC (Electronic PowrQuad transmission Control Unit) is the
controller for PowrQuad Plus and AutoQuad Plus transmissions.
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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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EPC
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000126
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.16
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Transmission
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Transmission oil filter blocked.
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red
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EPC
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000127
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.01
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Transmission
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Transmission oil pressure too low.
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red
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EPC
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000177
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.00
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Transmission
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Transmission oil temperature very high.
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yellow
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EPC
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000177
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.16
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Transmission
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Transmission oil temperature high.
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blue
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EPC
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522506
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.31
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Controls
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Neutral switch closed during start-up.
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yellow
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EPC
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523677
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.14
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Controls
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Declutch switch on range-shift lever de-activated.
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yellow
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EPC
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523677
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.31
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Controls
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Declutch switch on range-shift lever de-activated, no operator
present.
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blue
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EPC
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523961
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.07
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Controls
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Reverser lever not in neutral position while park lock is engaged.
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—
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EPC
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523966
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.31
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Transmission
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Come-home mode activated.
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yellow
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EPC
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524020
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.31
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Controls
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Reverser lever not in neutral position during start-up.
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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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