P0087 Fuel rail pressure to low
You can have a bad cell on the battery , provided the charging system is providing adequate charge, P0191 is usually accompanied with this code, The fuel pressure has to be checked, the high pressure pump can cause this or the fuel pump. Use the Recall for the for the fuel pump module if it has not been completed.
This bulletin is being revised to identify modules for use with RPO JL1 in the parts information chart, and to add the 3500 series pickups to the labor time chart. Please discard all copies of bulletin 14515A.
It is a violation of Federal law for a dealer to deliver a new motor vehicle or any new or used item of motor vehicle equipment (including a tire) covered by this notification under a sale or lease until the defect or noncompliance is remedied.
Vehicles involved in this recall were placed on stop delivery October 1, 2014. Once the service procedure contained in this bulletin has been performed on the vehicle, the vehicle is released from stop delivery and the vehicle can be delivered to the customer.
All involved vehicles that are in dealer inventory must be held and not delivered to customers, dealer traded, or used for demonstration purposes until the repair contained in this bulletin has been performed on the vehicle.
General Motors has decided that a defect which relates to motor vehicle safety exists in certain 2013 - 2014 model year Cadillac CTS, Escalade, and Escalade ESV vehicles; Chevrolet Suburban and Tahoe vehicles; and GMC Yukon and Yukon XL vehicles and certain 2014 model year Buick Enclave vehicles; Chevrolet Express and Captiva, Impala Limited, Silverado HD and Traverse vehicles; and GMC Acadia, Savana and Sierra HD vehicles. Some of these vehicles were built or serviced with contamination within the chassis electronic module. This contamination can cause an electrical short in the module. If the module experiences an electrical short, the vehicle could display a check engine light, stall, or fail to start. If the vehicle is equipped with a trailer brake, the vehicle could lose trailer brake function and display a "Service Trailer Brake System" indicator. If the vehicle experiences this condition and stalls while in motion, there could be an increased risk of a vehicle crash.
Additionally, a small number of 2007-2012 model year vehicles that include; 2008-2013 Chevrolet Avalanche, 2008-2009 Chevrolet Colorado vehicles; 2007-2013 Chevrolet Silverado, 2008-2014 Suburban, and Tahoe vehicles; 2008-2013 GMC Sierra and 2009-2012 Yukon vehicles; 2008-2009 GMC Canyon vehicles; 2009-2010 HUMMER H2, H3 and H3T vehicles; and 2008-2009 Saturn VUE and 2009 Outlook vehicles may have been serviced with a chassis electronic module that could have internal contamination, causing an electrical short in the module. If the module experiences an electrical short, the vehicle could display a check engine light, stall, or fail to start. If the vehicle experiences this condition and stalls while in motion, there could be an increased risk of a vehicle crash.
Dealers are to replace the chassis electronic module on all affected vehicles.