Service Engine Light
05-02-2016, 04:07 PM
#1
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Join Date: Jun 2011
Posts: 1
Service Engine Light
My service engine light is on in 2011 Maxima. I am getting codes P1778 and P0101. Any help on repairing these issues? My son is using the car for college. Any help would be really appreciated.
05-02-2016, 06:31 PM
#2
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Join Date: Mar 2016
Location: Central, Florida
Posts: 178
P1778
The step motor's 4 aspects of ON/OFF change according to the signal from Transmission Control Module (TCM). As a result, the flow of line pressure to primary pulley is changed and pulley ratio is controlled. This diagnosis item detects when electrical system is OK, but mechanical system is NG. This diagnosis item detects when the state of the changing the speed mechanism in unit does not operate normally.
The step motor's 4 aspects of ON/OFF change according to the signal from Transmission Control Module (TCM). As a result, the flow of line pressure to primary pulley is changed and pulley ratio is controlled. This diagnosis item detects when electrical system is OK, but mechanical system is NG. This diagnosis item detects when the state of the changing the speed mechanism in unit does not operate normally.
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