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2014 - 2016 Corvette: Service Bulletin: Code P06DD No Or Low Oil Pressure

#PIP5407: Code P06DD No Or Low Oil Pressure - (Jun 13, 2016)

Subject:  Code P06DD No Or Low Oil Pressure  
Models:  2016 Cadillac CTS-V
2015-2016 Cadillac Escalade
2016 Chevrolet Camaro
2014-2016 Chevrolet Corvette
2014-2016 Chevrolet Silverado
2015-2016 Chevrolet Suburban, Tahoe
2014-2016 GMC Sierra
2015-2016 GMC Yukon XL
Built with RPO's 4.3L 5.3L 6.2L L83 L86 LT1 LT4 LV3

The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

Condition/Concern

Vehicle setting code P06DD, no or low oil pressure, oil control valve may be stuck off commanding high oil pressures (95 psi) and or oil pump face may be damaged.

Recommendation/Instructions

Tensioner spring in timing chain guide may be “short” not fully seating into guide pivot end. Cycling Oil Pump Control Valve will not cause changes in oil pump response.

2014 - 2016 Corvette Service Bulletin - Low or No Oil Pressure

1) Short spring not reaching the pivot.

Replace timing chain tensioner guide. If oil pump face is damaged and or worn thru replace oil pump. Inspect bearings for damage wear due to debris from oil pump.

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