TSB Document:

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

You can still get the detailed info from Cadillac for this TSB. Call your local Cadillac dealer's service department & ask for a copy of TSB# PI1158.

Affected Component: ELECTRICAL SYSTEM:SOFTWARE

Summary

DTC U0121 Falsely Set Condition/Concern Technicians may find DTC U0121 stored in history with no other symptoms. This condition may be caused by a software anomaly.

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