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Diagnostic Trouble Code: 021

Diagnostic Trouble Code Name: Rear Defrost Request 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

Please Note: The DTC Information provided has been randomly generated.

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Diagnostic Trouble Code Description: 

Cylinder Head Temperature Sensor Circuit High Input.
DTC P01289 is reported if the CHT sensor signal is greater than the self-test range.

Possible Sensor Faults
Sensor damaged or faulty.

Possible Wiring Faults
Improper connection. Sensor wiring open circuit or short circuit to VPWR or VREF.

Possible Module Faults
Engine is at extreme low temperature