Armrest Control Unit Service Codes (ACU)

Symptom Problem Solution

CODE ACU 2

SCV lever calibration

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CODE ACU 3, 27, 28

Hitch or throttle calibration

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CODE ACU 30

Throttle lever circuit failure

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CODE ACU 40

Transmission shift lever failure

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CODE ACU 41

Electrical intermittent to armrest control while in gear

Check connector at base of armrest

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CODE ACU 42

Transmission shift lever failure in PARK

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CODE ACU 49

Hitch up/down selector ON at start-up

Restart with hitch up/down selector OFF

CODE ACU 53-57

Hitch control inputs open circuit or shorted

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CODE ACU 70

IMS switch error

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CODE ACU 71

Auto-shift resume switch error

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CODE ACU 110-151

SCV control lever failure

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RX15494,00000C9 -19-10SEP01-1/1