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Diagnostic Trouble Code: 037
Diagnostic Trouble Code Name: Immobilizer Antenna Short to Ground/Open
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:
Transmission Fluid Pressure Switch 4 Circuit Low Voltage
Possible Sensor Faults
TCM
Possible Related Diagnostic Trouble Codes
DTC P0877 or P0878
Circuit / System Description
The transmission fluid pressure?(TFP) switch?4 is part of the control solenoid (w/body and TCM) valve assembly and has no seviceable parts. The TCM supplies 12?volts to the TFP switch?4 on the TFP switch?4 signal circuit. The TFP switch?4 has an internal case ground. TFP switch?4 is normally closed, Low. When oil pressure is present at the TFP switch?4, the switch is open, high. The normally low clutch pressure control?(PC) solenoid?4 controls the transmission fluid to the 1-2-3-4 clutch. The TCM monitors the normally closed TFP switch?4 signal circuit to determine the 1-2-3-4 clutch status.
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