TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Volvo for this TSB. Call your local Volvo dealer's service department & ask for a copy of TSB# 2515.

Affected Component: ELECTRICAL SYSTEM

Summary

THE DIAGNOSIS OF FRONT AND REAR OXYGEN SENSORS CAN PROVE DIFFICULT SINCE THE OPERATION OF THE REAR SENSOR CAN INFLUENCE THE OPERATION OF THE FRONT SENSOR. THE SENSORS SHARE COMMON SOURCES OF POTENTIAL FAULTS BUT ALSO HAVE UNIQUE FAULT SOURCES THAT MAY TRIGGER DIAGNOSTIC TROUBLE CODE (DTC) ENGINE CONTROL MODULE (ECM) 28 OR 29. *TT

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