Hummer H1 Service Manual page 1146

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DTC P0335 - Crankshaft Position Sensor Circuit Performance
Step
14 Using the Scan Tool, select "DTC", "Clear Info".
Start engine and idle at normal operating temperature.
Select "DTC", "Specific", then enter the DTC number which was set.
Operate vehicle within the conditions for setting this DTC.
Does the Scan Tool indicate that this diagnostic Ran and Passed?
15 Using the Scan Tool, select "Capture Info", "Review Info".
Are any DTCs displayed that have not been diagnosed?
05745159
Action
PCM/Tech 1 Scan Tool 81
Value(s) Yes
— Go to Step
15.
— Go to the
DTC table
No
Go to Step
2.
System OK.