Summary
The Technical Journal 31120 provides guidance for resolving the “Check Engine” light issue on 2016 XC90 models with engine types B4204T27 and B4204T28. The problem is caused by air leakage at the supercharger resonator.
The service solution involves checking for air leaks using a leak detector and replacing the sealing gasket as described in the attachment.
A Vehicle Report should be submitted if the service solution does not resolve the issue.
Important Notes
Ensure to check for the latest online version of this Technical Journal before proceeding.
Hard copy documents are printed on recycled paper containing a minimum of 50% wastepaper and 0% post-consumer waste.
Manual:
Download: VOLVO Technical Journal 31120: Check Engine Light is on, ECM-PO17100 for 2016 XC90 models
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