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Diagnostic Trouble Code: 0020
Diagnostic Trouble Code Name: Driver Deployment Loop Circuit Capacitance Low
Vehicle Make: Holden
Vehicle Model: Commodore (VZ)
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:
Vehicle Speed Sensor Circuit Low Frequency
Possible Sensor Faults
ECM
Possible Related Diagnostic Trouble Codes
DTC P0500, P0502, or P0503
Circuit / System Description
The transmission control module (TCM) provides the engine control module (ECM) vehicle speed information through the high-speed communications on the controller area network (CAN). Vehicle speed is produced by the AC current generated through the transmission output shaft speed (OSS) sensor as the output shaft rotates. The ECM continuously monitors the vehicle speed signal supplied by the TCM.
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