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F2: Trouble Codes - Trouble Code 18 Knock Control Module; Replace ECU Opel Omega B

Motronic M 2.8.1 F2: TROUBLE CODE TABLE

Trouble CodeInformation Sensor
Cause of FaultRemedy in

F0: DATA LIST

No.Trouble Code Storage when...

18

KNOCK CONTROL MODULE; REPLACE ECU
08
· Coolant temperature lower than 45 °C / 113 °F

or

· Load signal less than 1.6 ms (X 25 XE) or 1.8 ms (X 30 XE)

The value varies depending on the engine speed

· Engine speed higher than 600 rpm and lower than 5000 rpm

· The control unit performs an internal knock sensor circuit test every 253

combustions. If this test is not passed, the trouble code is set (control unit fault).

Replacement values:

See trouble code 16