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Diagnostic Trouble Code: 028
Diagnostic Trouble Code Name: Driver Window Express Down Switch Circuit
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:
Ignition Coil 4 (Coil4) failure (V8).
DTC P0354, V8 engine is reported if COIL4, or its circuit have malfunctioned
Possible Mechanical Faults
*IGNITION SYSTEM CONDITION fouled spark plugs, damaged high tension leads, incorrect spark plug gap, worn or damaged spark plugs, excessive carbon deposits on spark plugs, high tension leads shorting to ground, improper resistance at high tension leads, coil pack faulty or damaged
Possible Wiring Faults
Coil signal shorted to ground, Vehicle Power (VPWR) or Signal Return (SIGRTN), faulty or improper coil signal connection, improper signal from Crankshaft Position Sensor (CKP) to PCM, wiring fault.
Possible Module Faults
Crankshaft Position Sensor (CKP) or reluctor (toothed wheel) faulty or damaged, faulty PCM Electronic Distributorless Ignition System (EDIS) Central Processing Unit (CPU)
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