GM Service Manual Online
For 1990-2009 cars only

3.6L LY7 with Cam Actuator DTC - keywords camshaft crankshaft MIL reluctor SES P0008 P0009 P0016 P0017 P0018 P0019

Subject:3.6 LY7 with Cam Actuator DTC

Models:2005 Buick LaCrosse
2004-2005 Buick Rendezvous
2004-2005 Cadillac CTS, SRX
2005 Cadillac STS



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

Condition/Concern:

Vehicles with 3.6 LY7 may exhibit DTC P0016, P0017, P0018, P0019, P0008 or P0009.

Recommendation/Instructions:

The reluctor for the crankshaft sensor pressed on the crankshaft may have moved. Refer to attached photographs for exact location.


Object Number: 1661550  Size: SH

Object Number: 1661567  Size: SH

Object Number: 1661569  Size: SH

Object Number: 1661570  Size: SH

Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.