oldsmobile Workshop Repair Guides

Oldsmobile Workshop Service and Repair Manuals

Oil Level Warning Indicator|Description and Operation > < Engine Controls - Revised DTC P1653 & PCM Message Charts|Page 1723
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This bulletin is being issued to revise the 1996 thru 1998 Engine Control Section with the following information:

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DTC P1653 A/C Compressor Clutch Control Circuit

Add to the 1997 Engine Controls section the following diagnostic information:

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PCM Message Diagnosis - Low Engine Oil Level Message

This diagnostic information was not included in the service manual.

Oil Level Warning Indicator|Description and Operation > < Engine Controls - Revised DTC P1653 & PCM Message Charts|Page 1723