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Diagnostic Trouble Code: B0081
Diagnostic Trouble Code Name: Passenger Presence Module
Vehicle Make: Holden
Vehicle Model: Cruze (J300)
Diagnostic Code Entered By: ZerOne
Diagnostic Code Entered On: Wed Oct 06, 2010 11:00 pm
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Please Note: The DTC Information provided has been randomly generated.
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Diagnostic Trouble Code Description:
Control Module Performance
Possible Sensor Faults
ECM
Possible Related Diagnostic Trouble Codes
DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or
P2610
Circuit / System Description
This diagnostic applies to internal microprocessor integrity conditions within the engine control module (ECM) and the throttle actuator control (TAC) system. This diagnostic also addresses if the ECM is not programmed.
The ECM monitors its ability to read and write to the memory. It also monitors a timing function. The ECM and the TAC processors are used to monitor the TAC system data. Both processors monitor the other processors data to verify that the indicated APP calculation is correct. The ECM performs an intrusive test in order to confirm that the APP signals are not shorted together. The ECM accomplishes this by pulling the APP sensor?2 low momentarily and looking for sensor?1 to also be pulled low.
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