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2005 saturn vue 2.2 auto.cvt-code p0502,u0101
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asked
Dec 28, 2016
by
russ
speedometer not working and no communication with tcm. checked ohm resistance of speedometer output speed sensor to tcm @ 2 ohms. pulled sensor to check resistance across pins @ 1589 ohms
Vehicle:
2005 saturn vue 2.2 ecotec,auto.
p0502
u0101
check
engine
maintenance
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answered
Dec 30, 2016
by
Reynaldo
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Resistane check is great, but this code requires that you measure its reference voltage, Key on Engine Off the yellow / red wire , is the reference voltage, from there you check for any open circuit to a short circuits and its ground
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