|
|
Symptom: U0168-NO SKIM BUS MESSAGES When Monitored and Set Condition: U0168-NO SKIM BUS MESSAGES When Monitored: Ignition on or Engine Running. Set Condition: No BUS messages are received from the SKIM for 20 seconds. POSSIBLE CAUSES INTERMITTENT CONDITION PCI BUS CIRCUIT OPEN FROM PCM TO SKIM LOSS OF SKIM COMMUNICATION SKIM/PCM TEST ACTION APPLICABILITY 1 Turn the ignition on. t, read the DTCs and record the related Freeze Frame data. Is the Good Trip Counter displayed and equal to zero? All Yes → Go To 2 No → Go To 5 2 Turn the ignition on. All Yes → Go To 3 No → Refer to symptom BUS +/- SIGNAL OPEN FROM SKIM in the COMMUNICATION category. 3 Turn the ignition off. All Yes → Go To 4 No → Repair the PCI Bus circuit between the PCM and the SKIM for an open. 301 DRIVEABILITY - NGC |