Vauxhall Workshop Service and Repair Manuals

Test

Work Order Description

Nominal Value

Check: Diagnostic Trouble Code stored

Is the following Diagnostic Trouble Code stored?

P0606

Electronic Control Unit (ECU) - Malfunction

Check: Vehicle Configuration

Is the following information correct for the actual vehicle?

Check: Diagnostic Trouble Code stored

• Ignition OFF
• Wait time: minimum 120 s
• Delete trouble codes
• Replace the following component by a new one:
  A40 Ignition Coil - Direct Ignition
• Read and record again trouble codes including status after the test drive.

Note:

Check if the following component is an unmodified, genuine OEM part::

Spark plugs

Is the diagnostic trouble code P0606 with status PRESENT stored?

Result

Cause Of Fault

• Defective component:
  A84 Control Unit - Engine

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.

• Defective component:
  A40 Ignition Coil - Direct Ignition

• Defective component:
  The control unit which has set the trouble code (The control unit is displayed by the TECH 2).