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Diagnostic Trouble Code: 6
Diagnostic Trouble Code Name: Automatic Temperature Controller Malfunction
Vehicle Make: Holden
Vehicle Model: Epica (V250)
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:
Theft Deterrent Key Incorrect
Possible Sensor Faults
ECM
Possible Related Diagnostic Trouble Codes
DTC P0513
Circuit / System Description
The theft deterrent module (TDM) sends the prerelease password to the engine control module (ECM) via the serial data circuit. The ECM then sends a challenge to the TDM. Both the ECM and TDM perform a calculation on this challenge. If the calculated response from the TDM equals the calculation performed by the ECM, the ECM will allow vehicle starting.
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